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VICIA LUTEA (FABACEAE)NEWTOTEXAS AMANDAK.NEILL DepartmentofBiologyHerbarium TexasA&M University CollegeStation, TX77843-3258. U.S.A. [email protected] VicialuteaL.(yellowvetch)hasnotbeenreportedforTexasbyCorrelland Johnston(1970),Hatchetal. (1990),Jonesetal. (1997),orDiggsetal. (1999).Thisspeciesiseasilydistinguishedfromtheothervetchesfoundin Texasbyitsaxillarysessileflowers,largeyellowcorollas,unequalcalyxlobes, andpustulate-pilosefruits.Isely(1998)providesakeytoseparatethisVicia fromothersintheUnitedStates. YicialiiteaisaweedyannualnativetotheMediterraneanregion.How- ever,thespeciesisknowntooccursporadicallyinNorthCarolinaandLouisiana, and isseeminglynaturalizedinCalifornia(Hickman 1993).Thomasand Allen(1998)mappeditinninenorthernLouisianaparishes.Personalcom- municationswithotherherbariahaverevealedadditionalcollections: ThoAwLasAB&ATMhoAm./iL1e3e3.Co2.0:6(1B1RMITa)y.O19R6E1,GKOeNnJ.rtLcakn8e3C(o.A:UAI)7.JuSnum1t9e9r8,CKoo.e:i//1gMs.au.yiO19S9C-)4., DurmgfieldworkforacountyfloraineastcentralTexas,Vicialuteawas collectedinMadisonCounty.Asingle,densepopulationofV/V/^luteawas foundinfullanthesisalongsevenmetersofadry,sandyslope.Theslope wasalongaroadside,infullsun,andadjacenttoagravelpit.Twoweeks latertheplantswereleafless,yetheldalargeamountofripeningfruit.Other herbaceousspeciesonthesiteincludedPolygalapolygama.Coreopsisbasalis, Lathyrushirsutus,Helianthemumgeorgianum,Schizachyriumscoparium,andPaspalum plicatulum.Woodyvegetationalongthenearbyfencelinewascomposedof Quercusmarilandica,Q.Jalcata,andPinustaeda. TheplantsattheMadisonCountysitewerefoundatarelativelyundis- turbed roadsideareathatis not mowed. Thepresenceofthispopulation maybeattributedtotrafficassociatedwithanearbygravelpit,ortocattle andhaytransportthroughthisruralarea.UponinspectionofpreviousMadison Countycollectionsnotyetidentified,anotherspecimeno'iWicialuteawas found.Thatindividual[MadisonCo.:11April1998.A.K.Neill1438(TAMU)} wascollectedatanthesisapproximately27milessouthwestofthevoucher specimen,butthereproductivesuccessofthatpopulationhasnotbeenes- tablished. Vicialuteamayremainawaifinhumid,non-Mediterraneanclimates.One SiDA18(4):1265-1266. 1999 1266 SiDA18(4) visibleeffectofhumidityontheMadisonCountypopulationwasaninfec- tion withpowdery mildew kini^us; themycelial layer imparted asilvery casttotheleafsurfaces.Additionalcollectionsofthisspeciesmaybeex- pected fromTexasand otherwarm-climatestates. Imagesof-thevoucher specimenareavailableatTexasA&iVI'sBioinformaticsWorkingGroupImage Gallerypage(http://www.csdl.tamu.edu/FLORA/imaxxfab.htm). sanVdouatcheenrtrsapnececirmoengr;avUe.lS.pAi.r,TWEXsAidSe.ofMFaMdi1s-'o\1n,C1o..8:mRioSadosfiTdeXcHutw-yba2n1kjoett.C(haarzMoisdwlaoya)m,y SandRidgeQuadrant,elev.217ft,3()"()()'N,9^"i-lAV,1May1999,/\./C.Nf/7/26/.S'(TAMU), ACKNOWLFlXiMENTS Iam grateful tothe followingcuratorsand institutions whosupplied collectiondata: BonnieAmos(SAT), AnneBradburn(NO),SteveBroich (OSC),LarryBrown(SBSC),RichardHalse(OSC),RobertHaynes(UNA), LeighJohnson(NCSC),JimMassey(UNC),MarkMayfield (LSU),Scott Sundbtirg(OSC),JeromeWard(AUA),TomWendt(LL,TEX),DonnaFord- Werntz(WVA),RobertWilbur(DUKE),andLindsayWoodruff(BRIT). MonitiueReed(TAMU)providedassistanceinidentifyingthisspecies,and HughWilson,myadvisor,gavesupportandencouragementduringmythesis workinMadisonCounty. RF.FF.RHNCF.S (x)RKii.L,n.S.antiM.C;.Jomnvicin. 1970.ManualofthevascularplantsofTexas.Texas ResearchFoundation,Renner. Di(,(,s,Ci.M.,B.L.LiPSCOMii,andR.J.O'Kfnnon. 1999.ShinnersandMahler'sillustrated HoraofNorthCentralTexas.Sida,Bot.Misc. 16. Hatch,S.L.,K.N.GANniii,andL.E.Bkown.1990.ChecklistofthevascularplantsofTexas. TexasAgric,Fx|rSta.l^uU.MP-1655. Hickman,].C(F:d.). 199.vTlieJepsonmanual:Migherplantsof(California.Univ.of(Cali- forniaPress,Berkeley. 1si:cl\lu,sDi.ve1o9f98A.laNsaktaiv.emdanHdawnaaitit)i.ralMioznedteLeLg.umBieannosUaiefe(FS'caiheancceeae)Muosletthmei,UnBintgedliSatmateYsou(enxg- Univ.,Provo,UT. JtJNES,S.D.,J.K.WiPiT-,andP.M.Montcomi-ry.1997.VascularplantsofTexas,acompre- hensivechecklistincludingsynonymy,bibliography,andindex.U'niv.ofTexasPress, Atistm. TilOMAs,R.D.and(7M.Ai.i.in.1998.Atla.softheva.scularfloraofLouisiana.Vol.Ill:Dicotyledons: [abaieae-Zygophyllaceae.LouisianaDept,ofWildlileandFisheries,RatonRouge.