Canadian Journal of Botany 2001: Vol 79 Table of Contents

7 Pages·2001·2 MB·English

Canadian Journal Revue canadienne
of Botany de botanique
Contents Sommaire
Volume 79, 2001 Volume 79, 2001
January / janvier
ARTICLES
Alexander R. Cobb, Nalini M. Nadkarni, Grant A. Ramsey, and Abraham J. Svoboda Recolonization of bigleaf maple
branches by epiphytic bryophytes following experimental disturbance
Markus N. Thormann, Suzanne E. Bayley, and Randolph S. Currah Comparison of decomposition of belowground and above-
ground plant litters in peatlands of boreal Alberta, Canada
C. Costa, L.M. Dwyer, C. Hamel, D.F. Muamba, X.L. Wang, L. Nantais, and D.L. Smith Root contrast enhancement for mea-
surement with optical scanner-based image analysis
Ewa Cholewa and Carol A. Peterson Detecting exodermal Casparian bands in vivo and fluid-phase endocytosis in onion
(Allium cepa L.) roots
Shigeaki Hasegawa and Hiroshi Takeda Functional specialization of current shoots as a reproductive strategy in Japanese alder
(Alnus hirsuta var. sibirica)
C.W. Mims, C. Rodriguez-Lother, and E.A. Richardson Ultrastructure of the host—parasite interaction in leaves of Duchesnea
indica infected by the rust fungus Frommeéla mexicana var. indicae as revealed by high pressure freezing
Marc D. Abrams, Carolyn A. Copenheaver, Bryan A. Black, and Saskia van de Gevel Dendroecology and climatic impacts
for a relict, old-growth, bog forest in the Ridge and Valley Province of central Pennsylvania, U.S.A.
Michael C. Hooper, Ken Arii, and Martin J. Lechowicz Impact of a major ice storm on an old-growth hardwood forest
Trevor C. Lumley, L. Dennis Gignac, and Randolph S. Currah Microfungus communities of white spruce and trembling as-
pen logs at different stages of decay in disturbed and undisturbed sites in the boreal mixedwood region of Alberta
A. Tsuneda, M.N. Thormann, and R.S. Currah Modes of cell-wall degradation of Sphagnum fuscum by Acremonium cf.
curvulum and Oidiodendron maius
I. Okane, A. Nakagiri, and Tad. Ito Identity of Guignardia sp. inhabiting ericaceous plants
K. Jacobs, M.J. Wingfield, A. Jacobs, and B.D. Wingfield A taxonomic re-evaluation of Phialocephala phycomyces
Houman Fei and Vipen K. Sawhney _ Ultrastructural characterization of male sterile33 (ms33) mutant in Arabidopsis affected in
pollen desiccation and maturation
Instructions to authors
Recommandations aux auteurs
February / février
ARTICLES
Francisco Molina-Freaner, Patricia Delgado, Daniel Piftero, Nidia Perez-Nasser, and Elena Alvarez-Buylla Do rare pines need
different conservation strategies? Evidence from three Mexican species
Barbara L. Wilson, Jay Kitzmiller, Wayne Rolle, and Valerie D. Hipkins Isozyme variation and its environmental correlates
in Elymus glaucus from the California Floristic Province
Félix Forest, Josée Nadia Drouin, René Charest, Luc Brouillet, and Anne Bruneau A morphological phylogenetic analysis
of Aesculus L. and Billia Peyr. (Sapindaceae)
Emily K. Green and Susan M. Galatowitsch Differences in wetland plant community establishment with additions of nitrate-N
and invasive species (Phalaris arundinacea and Typha xglauca)
Regina M. Rochefort and David L. Peterson Genetic and morphologic variation in Phyllodoce empetriformis and Phyllodoce
glanduliflora (Ericaceae) in Mount Rainier National Park, Washington
C-2 Can. J. Bot. Vol. 79, 2001
Karen L. Joyner, Xiao-Ru Wang, J. Spencer Johnston, H. James Price, and Claire G. Williams DNA content for Asian pines
parallels New World relatives
David J. Susko, J. Paul Mueller, and Janet F. Spears An evaluation of methods for breaking seed dormancy in kudzu
(Pueraria lobata)
M. Carlota Vaz Patto, Aernoudt Aardse, Jaap Buntjer, Diego Rubiales, Antonio Martin, and Rients E. Niks Morphology
and AFLP markers suggest three Hordeum chilense ecotypes that differ in avoidance to rust fungi
Mark D. Norris, John M. Blair, and Loretta C. Johnson Land cover change in eastern Kansas: litter dynamics of
closed-canopy eastern redcedar forests in tallgrass prairie
Vicent Calatayud and Javier Etayo Five new species of lichenicolous conidial fungi from Spain
Horst Vierheilig, Michael Knoblauch, Katja Juergensen, Aart J.E. van Bel, Florian M.W. Grundler, and Yves Piché
Imaging arbuscular mycorrhizal structures in living roots of Nicotiana tabacum by light, epifluorescence, and confocal laser scan-
ning microscopy
Jean Luc Betoulle, Francois Fromard, André Fabre et Henri Puig Caractérisation des chutes de litiére et des apports au sol
en nutriments dans une mangrove de Guyane frangaise
March / mars
ARTICLES
Hiroaki Ishii and E. David Ford The role of epicormic shoot production in maintaining foliage in old Pseudotsuga menziesii
(Douglas-fir) trees
Nicole S. Ramesar-Fortner and Edward C. Yeung = Tri-iodobenzoic acid affects shoot apical meristem formation and function in
zygotic embryos of Brassica napus cv. Topas
Robert D. Guy and Diane L. Holowachuk Population differences in stable carbon isotope ratio of Pinus contorta Dougl. ex
Loud.: relationship to environment, climate of origin, and growth potential
C.S. Blaney and P.M. Kotanen Post-dispersal losses to seed predators: an experimental comparison of native and exotic old field
plants
M.I. Bidartondo, J. Baar, and T.D. Bruns Low ectomycorrhizal inoculum potential and diversity from soils in and near ancient
forests of bristlecone pine (Pinus longaeva)
M. Kubota, T.P. McGonigle, and M. Hyakumachi Clethra barbinervis, a member of the order Ericales, forms arbuscular
mycorrhizae
S. Timonen, F.A. Smith, and S.E. Smith Microtubules of the mycorrhizal fungus Glomus intraradices in symbiosis with tomato
roots
Z.H. Ye, K.C. Cheung, and M.H. Wong Copper uptake in Typha latifolia as affected by iron and manganese plaque on the root
surface
Wendy A. Untereiner, Valérie Débois, and Francoise A. Naveau Molecular systematics of the ascomycete genus Farrowia
(Chaetomiaceae)
Feky R. Mantiri, Gary J. Samuels, James E. Rahe, and Barry M. Honda Phylogenetic relationships in Neonectria species
having Cylindrocarpon anamorphs inferred from mitochondrial ribosomal DNA sequences
Stefan Hotes, Peter Poschlod, Hiroshige Sakai, and Takashi Inoue Vegetation, hydrology, and development of a coastal mire
in Hokkaido, Japan, affected by flooding and tephra deposition
Julian R. Starr and Bruce A. Ford The taxonomic and phylogenetic utility of vegetative anatomy and fruit epidermal silica
bodies in Carex section Phyllostachys (Cyperaceae)
April / avril
ARTICLES
Leanne J. Philip, Usher Posluszny, and John N. Klironomos The influence of mycorrhizal colonization on the vegetative
growth and sexual reproductive potential of Lythrum salicaria L.
Hugh J. Barclay Distribution of leaf orientations in six conifer species
Abdelfattah Abdellaoui, Asia Larhnim et Ahmed Talouizte Mise en évidence d’une régulation de |’efflux de NO; racinaire par la
partie aérienne chez quatre cultivars de blé tendre (Triticum aestivum L.), Sais, Jouda, Marchouch et Khair : influence de la lumiére
Roisin C. Mulligan and L. Dennis Gignac Bryophyte community structure in a boreal poor fen: reciprocal transplants
Contents / Sommaire
R.A. Shoemaker and Hortense Brun The teleomorph of the weakly aggressive segregate of Leptosphaeria maculans
Jean-Francois Giroux, Yves Bergeron, and Jean J. Veillette Dynamics and morphology of giant circular patterns of low tree
density in black spruce stands in northern Quebec
Lissa M. Leege and Peter G. Murphy Ecological effects of the non-native Pinus nigra on sand dune communities
David J. Janzen, Lisa J. Allen, Kennaway B. MacGregor, and Alan W. Bown Cytosolic acidification and y-aminobutyric
acid synthesis during the oxidative burst in isolated Asparagus sprengeri mesophyll cells
Martin-Philippe Girardin, Jacques Tardif, and Yves Bergeron Gradient analysis of Larix laricina dominated wetlands in
Canada’s southeastern boreal forest
Dennis E. Jelinski, Jim D. Karagatzides, and Ian Hutchinson On the annular growth pattern in Scirpus maritimus in an
intertidal wetland: extension of the concept of cyclic development to within-clone spatial dynamics
Man Kyu Huh = Allozyme variation and population structure of Carex humilis var. nana (Cyperaceae) in Korea
Cindy S.M. Wan and Rowan F. Sage Climate and the distribution of C4 grasses along the Atlantic and Pacific coasts of North
America
A.M. Ray, A.J. Rebertus, and H.L. Ray Macrophyte succession in Minnesota beaver ponds
Dawn C. Loewen, Geraldine A. Allen, and Joseph A. Antos Autecology of Erythronium grandiflorum in western Canada
Philippe Lebreton, Bernard Jeangros, Christiane Gallet et Jan Scehovic Sur |’organisation phytochimique de formations
prairiales permanentes
May / mai
ARTICLES
J.M. Dunlap and R.F. Stettler Variation in leaf epidermal and stomatal traits of Populus trichocarpa from two transects across
the Washington Cascades
Jocelyn Campbell and Darwyn S. Coxson Canopy microclimate and arboreal lichen loading in subalpine spruce-fir forest
Farshad Tamari, Andreas Athanasiou, and Joel S. Shore Pollen tube growth and inhibition in distylous and homostylous
Turnera and Piriqueta (Turneraceae)
D.E. Robinson and D. Punter The influence of jack pine tree and tissue age on the establishment of infection by the jack pine
dwarf mistletoe, Arceuthobium americanum
D.E Harder, B.R. Baum, and B.D. McCallum Virulence in populations of Puccinia graminis f.sp. tritici in Canada from 1952
to 1998: a non-parametric analysis
James E. Eckenwalder and Michéle C. Heath The evolutionary significance of variation in infection behavior in two species of
rust fungi on their hosts and related nonhost plant species
R.A. Shoemaker and Sarah Hambleton “Helminthosporium” asterinum, Polydesmus elegans, Imimyces, and allies
Jeremy R. Dettman and Bart J. van der Kamp _ The population structure of Armillaria ostoyae and Armillaria sinapina in the
central interior of British Columbia
Jeremy R. Dettman and Bart J. van der Kamp_ The population structure of Armillaria ostoyae in the southern interior of Brit-
ish Columbia
NOTES
Fengshan Ma and Carol A. Peterson Development of cell wall modifications in the endodermis and exodermis of Allium cepa roots
Tara A. Forbis and Pamela K. Diggle Subnivean embryo development in the alpine herb Caltha leptosepala (Ranunculaceae)
Markus N. Thormann, Colin L. Myrholm, and Ken I. Mallett Armillaria sinapina in herbaceous plant material from a
peatland in Alberta, Canada
June / juin
ARTICLES
Holger Cremer, Martin Melles, and Bernd Wagner Holocene climate changes reflected in a diatom succession from Basaltsg,
East Greenland
Quintin J. Steynen, Dee A. Bolokoski, and Elizabeth A. Schultz Alteration in flowering time causes accelerated or decelerated
progression through Arabidopsis vegetative phases
C-4 Can. J. Bot. Vol. 79, 2001
Emin Ozkose, Barry J. Thomas, David R. Davies, Gareth W. Griffith, and Michael K. Theodorou Cyllamyces aberensis
gen.nov. sp.nov., a new anaerobic gut fungus with branched sporangiophores isolated from cattle
Ricardo A. Herrera-Peraza, Gisela Cuenca, and Christopher Walker Scutellospora crenulata, a new species of Glomales
from La Gran Sabana, Venezuela
Lynn J. Gillespie and Ruben Boles Phylogenetic relationships and infraspecific variation in Canadian Arctic Poa based on
chloroplast DNA restriction site data
Diane L. Rowland and Nancy C. Johnson Sexual demographics of riparian populations of Populus deltoides: Can mortality be
predicted from a change in reproductive status?
Anne Tolvanen and Gregory H.R. Henry Responses of carbon and nitrogen concentrations in high arctic plants to experimental
warming
K. Jacobs, M.J. Wingfield, and B.D. Wingfield Phylogenetic relationships in Leptographium based on morphological and mo-
lecular characters
Eiji Uheda, Hiroyuki Daimon, and Fumiki Yoshizako Colonization and invasion of peanut (Arachis hypogaea L.) roots by
gusA-marked Bradyrhizobium sp.
José M. Gomez, José A. Hédar, Regino Zamora, Jorge Castro, and Daniel Garcia Ungulate damage on Scots pines in Medi-
terranean environments: effects of association with shrubs
NOTES
Alexander P. Wolfe and Bianca B. Perren Chrysophyte microfossils record marked responses to recent environmental changes
in high- and mid-arctic lakes
Lisa M. O’Connell, Frédérique Viard, John Russell, and Kermit Ritland The mating system in natural populations of western
redcedar (Thuja plicata)
July / juillet
ARTICLES
Stefan Vinckier and Erik Smets A survey of the presence and morphology of orbicules in European allergenic angiosperms.
Background information for allergen research
A.L. Davidson and W. Newcomb Changes in actin microfilament arrays in developing pea root nodule cells
A.L. Davidson and W. Newcomb Organization of microtubules in developing pea root nodule cells
Alok K. Srivastava, Tanuja Singh, T.K. Jana, and Dilip K. Arora Induced resistance and control of charcoal rot in Cicer
arietinum (chickpea) by Pseudomonas fluorescens
Rong Li, Peta C. Bonham-Smith, and John King Molecular characterization and regulation of formate dehydrogenase in
Arabidopsis thaliana
Richard S. Winder and Donna E. Macey The influence of edaphic and competitive factors on productivity of marsh reed grass
(Calamagrostis canadensis) in a cooperative pathosystem
W. Gindl, M. Grabner, and R. Wimmer Effects of altitude on tracheid differentiation and lignification of Norway spruce
Carol Ritland, Terry Pape, and Kermit Ritland Genetic structure of yellow cedar (Chamaecyparis nootkatensis)
J.C. Rupe, J.C. Correll, J.C. Guerber, C.M. Becton, E.E. Gbur, Jr., M.S. Cummings, and P.A. Yount Differentiation of the
sudden death syndrome pathogen of soybean, Fusarium solani f.sp. glycines, from other isolates of F- solani based on cultural
morphology. pathogenicity, and mitochondrial DNA restriction fragment length polymorphisms
S.I. Mpofu and K.Y. Rashid Vegetative compatibility groups within Fusarium oxysporum f.sp. lini from Linum usitatissimum
(flax) wilt nurseries in western Canada
J.H. Taylor and C.A. Peterson Maturation of the tracheary elements in the roots of Pinus banksiana and Eucalyptus grandis
Gabrielle Rosquist and Honor C. Prentice Morphological variation in Scandinavian populations of the diploid-tetraploid spe-
cies pair Anthericum ramosum and Anthericum liliago (Anthericaceae)
NOTE
Claudia C. Lopez Lastra, Ann E. Hajek, and Richard A. Humber Effects of two cryopreservation techniques on viability
and pathogenicity of entomophthoralean fungi
Contents / Sommaire
August / aoat
ARTICLES
J. Villegas and J.A. Fortin Phosphorus solubilization and pH changes as a result of the interactions between soil bacteria and
arbuscular mycorrhizal fungi on a medium containing NH,” as nitrogen source
Cuauhtemoc Saenz-Romero, Raymond P. Guries, and Andrew I. Monk Landscape genetic structure of Pinus banksiana:
allozyme variation
M. Filion, M. St-Arnaud, C. Guillon, C. Hamel, and S.H. Jabaji-Hare Suitability of Glomus intraradices in vitro produced
spores and root segment inoculum for the establishment of a mycorrhizosphere in an experimental microcosm
Sean C. Thomas, Denise A. Liguori, and Charles B. Halpern Corticolous bryophytes in managed Douglas-fir forests: habitat
differentiation and responses to thinning and fertilization
Deborah Lorenzin, Candace Webb, Peter S. Summers, and Elizabeth A. Weretilnyk Enzymes of choline synthesis in diverse
plants: variation in phosphobase N-methyltransferase activities
Philip Lee and Kelly Sturgess The effects of logs, stumps, and root throws on understory communities within 28-year-old as-
pen-dominated boreal forests
J.A. Kolmer Molecular polymorphism and virulence phenotypes of the wheat leaf rust fungus Puccinia triticina in Canada
L.L. Consaul and L.J. Gillespie A re-evaluation of species limits in Canadian Arctic Island Puccinellia (Poaceae): resolving key
characters
Patricia E. Crane Morphology, taxonomy, and nomenclature of the Chrysomyxa ledi complex and related rust fungi on spruce
and Ericaceae in North America and Europe
David W. Beilman Plant community and diversity change due to localized permafrost dynamics in bogs of western Canada
September / septembre
ARTICLES
Hermann Vogimayr and Gregorio Delgado-Rodriguez Dendroclathra caeruleofusca gen.nov. et sp.nov., an aeroaquatic
hyphomycete from Cuba 995
Elke Naumburg, Laura E. DeWald, and Thomas E. Kolb Shade responses of five grasses native to southwestern U.S. Pinus
ponderosa forests
Christa R. Schwintzer and John D. Tjepkema_ Effect of elevated carbon dioxide in the root atmosphere on nitrogenase activity
in three actinorhizal plant species
Sonia Légaré, Yves Bergeron, Alain Leduc, and David Paré Comparison of the understory vegetation in boreal forest types of
southwest Quebec
Ann L. Lezberg, Charles B. Halpern, and Joseph A. Antos Clonal development of Maianthemum dilatatum in forests of dif-
fering age and structure
Gianluca Piovesan and Jonathan M. Adams_ Masting behaviour in beech: linking reproduction and climatic variation
Andrea E. Fiebig, John T.A. Proctor, Usher Posluszny, and Dennis P. Murr The North American ginseng inflorescence: de-
velopment, floret abscission zone, and the effect of ethylene
Paolo Gonthier, Matteo Garbelotto, Giovanna Cristina Varese, and Giovanni Nicolotti Relative abundance and potential dis-
persal range of intersterility groups of Heterobasidion annosum in pure and mixed forests
C.B. Lal, C. Annapurna, A.S. Raghubanshi, and J.S. Singh Effect of leaf habit and soil type on nutrient resorption and con-
servation in woody species of a dry tropical environment
Lene Thomsen, José Bresciani, and Jorgen Eilenberg Formation and germination of resting spores from different strains from
the Entomophthora muscae complex produced in Musca domestica
Woongghi Shin, Sung Min Boo, and Joyce E. Longeore Entophiyctis apiculata, a chytrid parasite of Chlamydomonas sp.
(Chlorovhyceae)
George Thomas, Latha Joseph, George Varghese, Sreejayan, K. Kalyanaraman, and Philomena Kuriachan Analysis of
phenotypic and genetic variations among populations of Oryza malampuzhaensis show evidence of altitude-dependent genetic changes
Patrik Inderbitzin and Mary L. Berbee Lollipopaia minuta from Thailand, a new genus and species of the Diaporthales
(Ascomycetes, Fungi) based on morphological and molecular data
D. Manicacci and L. Després Male and hermaphrodite flowers in the alpine lily Lloydia serotina
C-6 Can. J. Bot. Vol. 79, 2001
Sun-Il Kwon, Carol D. von Dohlen, and Anne J. Anderson Gene sequence analysis of an opportunistic wheat pathogen, an
isolate of Fusarium proliferatum
NOTE
L. David Humphrey and David A. Pyke Ramet spacing of Elymus lanceolatus (thickspike wheatgrass) in response to neighbour
density
ERRATUM
Anne Tolvanen and Gregory H.R. Henry Erratum: Responses of carbon and nitrogen concentrations in high arctic plants to ex-
perimental increased temperature
October / octobre
ARTICLES
Marie-Claire Héloir et Jean-Claude Fournioux Morphogenése de la vigne in vitro sous atmosphére enrichie en gaz carbonique :
importance de |’antériorité morphogénétique des microboutures et du nombre de subcultures
Martina Peter, Francois Ayer, Simon Egli, and Rosmarie Honegger Above- and below-ground community structure of
ectomycorrhizal fungi in three Norway spruce (Picea abies) stands in Switzerland
Ana Rincon, Joélle Gérard, Jean Dexheimer, and Francois Le Tacon Effect of an auxin transport inhibitor on aggregation
and attachment processes during ectomycorrhiza formation between Laccaria bicolor $238N and Picea abies
John N. Klironomos, Miranda M. Hart, Jane E. Gurney, and Peter Moutoglis Interspecific differences in the tolerance of
arbuscular mycorrhizal fungi to freezing and drying
Kayako Hiei and Kazuo Suzuki Visitation frequency of Melampyrum roseum var. japonicum (Scrophulariaceae) by three bum-
blebee species and its relation to pollination efficiency
R. Azcon, J.M. Ruiz-Lozano, and R. Rodriguez Differential contribution of arbuscular mycorrhizal fungi to plant nitrate uptake
('5N) under increasing N supply to the soil
Jean-Baptiste Ferdy, Sandrine Loriot, Michel Sandmeier, Madeleine Lefranc, and Christian Raquin Inbreeding depression
in a rare deceptive orchid
M. Ajmal Khan, Bilquees Gul, and Darrell J. Weber Seed germination characteristics of Halogeton glomeratus
J.L. Golden, Y.D Kim, and J.F. Bain A re-evaluation of North American Tephroseris and Sinosenecio (Asteraceae: Senecioneae)
based on molecular and micromorphological data
Nina Wurzburger and Caroline S. Bledsoe Comparison of ericoid and ectomycorrhizal colonization and ectomycorrhizal
morphotypes in mixed conifer and pygmy forests on the northern California coast
Nina Wurzburger, Martin I. Bidartondo, and Caroline S. Bledsoe Characterization of Pinus ectomycorrhizas from mixed co-
nifer and pygmy forests using morphotyping and molecular methods
A. Tsuneda, M.H. Chen, and R.S. Currah Characteristics of a disease of Sphagnum fuscum caused by Scleroconidioma sphagnicola
REVIEW
Marie-Pier Dubé et Alain Olivier Le Striga gesnerioides et son héte, le niébé : interaction et méthodes de lutte
ARTICLES
Ji-Chuan Kang, Pedro W. Crous, Kenneth M. Old, and Mark J. Dudzinski Non-conspecificity of Cylindrocladium quin-
queseptatum and Calonectria quinqueseptata based on a f-tubulin gene phylogeny and morphology
Loren Walker, Tara Sirvent, Donna Gibson, and Nan Vance Regional differences in hypericin and pseudohypericin concentra-
tions and five morphological traits among Hypericum perforatum plants in the northwestern United States
November / novembre
ARTICLES
Jinxing Lin, D.A. Sampson, and R. Ceulemans_ The effect of crown position and tree age on resin-canal density in Scots pine
(Pinus sylvestris L.) needles
Felisa Covelo and Antonio Gallardo Temporal variation in total leaf phenolics concentration of Quercus robur in forested and
harvested stands in northwestern Spain
Pierre-Eric Lauri and Jean-Jacques Kelner Shoot type demography and dry matter partitioning: a morphometric approach in
apple (Malus xdomestica)
Contents / Sommaire
Jason S.T. Deveau, Roger R. Lew, and Brian Colman Evidence for active CO, uptake by a CO;-ATPase in the acidophilic
green alga Eremosphaera viridis
David A. King Stem orientation is related to growth rate, leaf dimensions, and the deciduous habit in temperate forest saplings
John N.A. Lott and M. Marcia West Elements present in mineral nutrient reserves in dry Arabidopsis thaliana seeds of wild
type and phol, pho2, and mani mutants
Wenming Zhang, Michelle Sulz, and Karen L. Bailey Growth and spore production of Plectosporium tabacinum
T.A. Baker, E.B.G. Jones, and S.T. Moss Ultrastructure of ascus and ascospore appendages of the mangrove fungus
Halosarpheia ratnagiriensis (Halosphaeriales, Ascomycota)
Kazuo Yabe and Shigeru Uemura Variation in size and shape of Sphagnum hummocks in relation to climatic conditions in
Hokkaido Island, northern Japan
Jean-Michel Gagné and Gilles Houle Facilitation of Leymus mollis by Honckenya peploides on coastal dunes in subarctic Que-
bec, Canada
Ping Li and Mark O. Johnston Comparative floral morphometrics of distyly and homostyly in three evolutionary lineages of
Amsinckia (Boraginaceae)
Cameron G. Lait, Sarah L. Bates, Karen K. Morrissette, John H. Borden, and Allison R. Kermode Biochemical assays for
identifying seeds of lodgepole pine and other conifers fed on by Leptoglossus occidentalis Heidemann (Hemiptera: Coreidae)
Krzysztof Spalik, Aneta Wojew6dzka, and Stephen R. Downie The evolution of fruit in Scandiceae subtribe Scandicinae
(Apiaceae)
NOTE
L.D. Auckland, J.S. Johnston, H.J. Price, and FE. Bridgwater Stavility of nuclear DNA content among divergent and isolated
populations of Fraser fir
December / décembre
ARTICLES
Jordi Lépez-Pujol, Maria Bosch, Joan Simon, and César Blanché Allozyme diversity of two endemic Petrocoptis species:
P. montsicciana and its close relative P. pardoi (Caryophyllaceae)
Karen M. Snetselaar, Margaret A. Carfioli, and Kelly M. Cordisco Pollination can protect maize ovaries from infection by
Ustilago maydis, the corn smut fungus
Véronique Daviero, Bernard Gomez, and Marc Philippe Uncommon branching pattern within conifers: Frenelopsis turolensis,
a Spanish Early Cretaceous Cheirolepidiaceae
G.J. Hoekstra, S.J. Darbyshire, and D.E. Mather Anatomical features at the disarticulation zone in florets of fatuoid and
nonfatuoid oat (Avena sativa L.)
George W. Bassel, Robert T. Mullen, and J. Derek Bewley o-Galactosidase is synthesized in tomato seeds during develop-
ment and is localized in the protein storage vacuoles
Richard P. Futyma and Norton G. Miller Postglacial history of a marl fen: vegetational stability at Byron-Bergen Swamp,
New York
Jeannie Chari and Paul Wilson Factors limiting hybridization between Penstemon spectabilis and Penstemon centranthifolius
Darwyn S. Coxson and Janet Marsh Lichen chronosequences (postfire and postharvest) in lodgepole pine (Pinus contorta) for-
ests of northern interior British Columbia
Han-Gu Choi, Myung-Sook Kim, Michael D. Guiry, and Gary W. Saunders Phylogenetic relationships of Polysiphonia
(Rhodomelaceae, Rhodophyta) and its relatives based on anatomical and nuclear small-subunit rDNA sequence data
Valter Francescato, Michele Scotton, Daniel J. Zarin, James C. Innes, and David M. Bryant Fifty years of natural revege-
tation on a landslide in Franconia Notch, New Hampshire, U.S.A.
NOTES
Ken Arii and Roy Turkington Assessing competition intensity along productivity gradients using a simple model
E. Mwenje and N. Mguni_ Cellulolytic and pectinolytic activities of Capnodium isolates (sooty mould) from Zimbabwe
Note of Appreciation / Note de reconnaissance
Author Index for Volume 79 / Index des auteurs pour le volume 79
Contents for Volume 79 / Sommaire pour le volume 79