Materials for the Distribution of Lichens in Japan (15) Toninia sedifolia

2006·0.25 MB·English

by  Heinai Shibuichi

52 植物研究雑誌第81巻第1号 平成18年2月
Fig. 1. Cladonia trassii Ahti (M. Togashi 5089，T NS). x7/1O.
(圃圃圃圃圃圃Kumagaya，S泊tama，
360__JAPAN
熊 谷 市 -
a
富山
b
Heinai SHIBUICHl ，aHiroyuki KASHIWADANlb，K ozo YOSHIDAca nd Einar TIMDALd Materials
:
for the Distribution of Lichens in Japan (15)
地衣類分布資料 (15) (四分一平内 ，柏谷博之b，吉田考造"， E.テイムダルd)
a
Toninia sedifolia (Scop.) Timdal 1). Results of at hin layer chromatography
In 2002，o ne of the authors，H . Shibuichi， (TLC) show that the Japanese specimen con-
found an unusual colony of crustose lichen tains no chemical substances，an d is identical
among mosses growing on limestones，a t with the chemical variation “0" reported by
elevation about 1200 m， Todai， Pref. Timdal (1991). These features coincide very
Nagano. It had grayish-white squamulose well with those of Toninia sedifolia (Scop.)
thalli composed of slightly convex and Timdal. The final identification was made by
white-pruinose lobes. The apothecia are the comparison of exsiccatae cited below.
black and lecideine; the discs epruinose; This species is widely distributed in arctic
訂
epithecium brown to brownish gray (K + regions of the Northem Hemisphere. The
reddish violet); and hypothecium dark only taxon of Toninia known in Japan is T.
brown. Spores colorless， fusiform， 1(- 2) tristis (Th. Fr.) Th. Fr. subsp. fujikawae (M.
septate and 15.6-21.5x 2 .0μm in size (Fig. Sato) Timdal (Sato 1936，Y oshimura 1961，
February 2006 Journal of Japanese Botany Vol. 81 No. 1 53
Fig. 1. Toninia sedifolia (Scop.) Timdal (H. Shibuichi 10107，T NS). Bar = 1m m.
Yo shida 1979)， which has brownish chens in Japan (4). Lecidea fujikawae Sato. J. Jpn.
squamules without pruina，g reenish epithe Bot. 54: 168.
四 Yo shimura 1. 1960. Miscellaceous notes on lichen in
cium (K -) and simple spores.
Shikoku (1). Mis. Bryo1. Licheno1. 2(1): 5-8 (in
Specimen examined. Japan. Honshu. Prov. Shinano:
Japanese).
Riverside of Todai-gawa，H ase-mura，K ami-Ina-gun.
Elevatioon about 1230 m. On rock (limestone).
Toninia sedifolia (コナフジカワゴケ，新称)は
October 15，2 002，H . Shibuichi 10107 (TNS).
北半球の温帯から高緯度地域に広く分布し，南半
Exsiccata examined. Follmann， Lich. Exs.
球ではオーストラリア，ニュージーランド，アル
Casselensi 140 (TNS) [as T. αceruleonigricans
ゼンチンにも稀に産することが知られているが，
(Lightf.) Th. Fr.]; K巧rpt.Exs. Vindob. 754b (TNS) [as
東アジアからは全く報告がなかった (Timdal
T. caeruleonigricans (Lightf.) Th. Fr.]; Poelt，J. Lich.，
1991) .最近，筆者の一人，四分一は長野県戸台
Al恰pinum340 (TNS) [a部s工T:di砂刀〉均αctωa，(仏Massa討1.)Zah叫ll耐br.] の石灰岩上(標高1200m)に生育する本種を発見
Nash，Lich. Exs. ASU 24 (TNS) [as T. caeruleo-
出 した.本種の地衣体は，灰白色の鱗片状，表面は
nigricans (Lightf.) Th. Fr.]; Poelt .，P ，.1 Graec. 110
黄褐色，灰白色の粉霜で覆われている.裏面は淡
(TNS) [as Toninia rosulata (Anzi) Oliv.]; Savicz，
褐色.子器はレキデア型，胞子は紡錘形で 1-2室，
Lichenoth. Ross. 148 (TNS) [as T. caeruleonigricans
子嚢下層は黒褐色である.また，日本産の標本は
(Lightf.) Th.Fr.]; Vezda，L ich. Se1. Exs. 1822 (TNS)
地衣成分を全く含まない化学的変異株である.
[as T. diffracta (Massa1.) Zahlbr.].
日本産フジカワゴケ属としては T.tristis subsp.
fujikawaeがあるが，この種は粉霜を欠く褐色の地
Literature cited 衣体を持ち，胞子は単室，楕円形であるのでそれ
Sato M. 1936. Studies on the lichens of Japan (10). 1. とは容易に区別できる.
Jpn. Bot. 12(1): 47-49. (a360__熊谷市_，
Timdal E. 1991. A monograph of the genus Toninia b国立科学博物館植物研究部，
(Lecideaceae，A scomycetes). Opera Bot. 110: 1- c埼玉県立自然史博物館，
137. dオスロ大学植物博物館)
Yoshida K. 1979. Materials for the distribution of li-