

* 



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Plate 2472. 



LITTLEDALEA TIBETICA, Hemsl. 



m 



Gramike.e. Tribe Fkstucb.e. 

 littledalea, IIemsl{gen, nov,) Spicuhr variabiles, 2-~S-fIor<-^, la: 



pani- 



culatae graciliter .pedice]]at.e, rachilla inter flores elongata, glabrn juxta 

 floreset supraglumasmferioresarticulata. /'/omgrandes, hermaphrodiU 

 vel supremo imperfecto. Glum<. 2 inferiores vacu*, ina^quales^ quam 

 florentes multo mmorcs, ecanuata., obtus^e vel truncata?, simul eroar- 

 ginate vel erosae, muticae, trinerves, nervis hand excurrentibus latera- 

 bbus medium noii attmgentibus ; floreutes ampla^, truncate vel 

 rotundat*, supra medium hyalinae, mutic^e, ecarinata., demum eros^ 

 basi insigmter calloss, < -nerves, nervis omnibus vix excurrentibus- 

 palea multo minor bifida, bicarinata. .^'(amina 3, Lodiculce 2, tenues' 

 angust.^,_ oblong.^, mtegr*. Sf,j^H brevissimi, stigmatibus late plumosis' 

 Caryo;,.z. imniaturaliirsuta—Gramen..^ videhcr perenne, pulchrnm 

 erectum, fohisplams brevihu,. Panicula terminalis, anguJa, ramu!is 

 scBjnsstme gemtnaty. pedicdlisque capiUarihus. Spiculre scpe geminate, 

 altera minore pedicello breviore. ' 



I. tibetica, //eW. (sp unica) ; culmis simplicibus graciliusculis 

 glabris Lnovibus sa^pissime (an semper ?) bifoliatfs (nodo unieo tantum 

 perspicuo) internocho supenore longissime exserto, vaginia laxis glabris 

 vel inferioribus puberulis superioribus apertis, larainis brevibus linea- 

 ribus subacutis yahde striatis utrinque puberulis ba.si appendice setuli- 

 forrai utnnque mstructis, ligula folii caulini inferioris magna inte-ra 

 vel demum_ lacerata, folii superioris admodum redacta, panicula3 

 ramulis s*pius paribus 1, floribus puberulis purpureis. 



Has. Central Tibet : Gooring Valley, 30° 12' K 90° 25' E at 

 about 16,500 feet, ^S-^. George R. Littlednle, July ami August 1895. 



Culmi 1^-2 ped. alti, lamina foliorum caulinorum 2-poll lonn-a 

 radicalmm longior sed culmis multo brevior. Lir^ula bene evoluta 

 Jlin. longa.^ Pamcula 4-5 poll, longa, ramulis 1-2 poll. Ion "is 

 iipicutcB maximse pollicares. Glnma exterior circiter 3 lin lon°a* 

 secunda 4i lin. longa. Glumajlorens 6-7 lin. lonira, aoerta 2 \\n !«?«' 



Palea circiter 4 lin. lonira. 



This pretty grass is very near Glyceria in structure. Indeed there 

 are no very decided divergencies ; yet the aggregate of the differences 

 seems to fully justify giving it generic rank.~\V. Sotting Hemsley. 



Fig^l. Porticn of leaf with ligule. 2. Spikelet. 8, Flowering glume. 4 Palea 

 5. Lodicuks and pistil. All enlarged. * ^ ' ^' 



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