GnAMmEAE. Stipa. 376 



versitatem ad ligulam , In hac elongatam, in illa abbreviatam, 

 reverti. 



5. STIPA TKICHOTOMA. -r 



St. foliis lilirormibus scabris , culmo simpllci laevi, li- 

 guh chartacea obliqua inteii;ra, paniculae secundae patentis 

 ramis fasciculato - ternis elongatis tricholomis , glumis ae- 

 qualiV)us ovato - lanccohitis acuminatis scabris basi coloratis 

 iloscu^o obovato apice sulxllmbriato plus duplo longloribus, 

 aribta .luda recia ilosculo multo longiore. 



Radlx repens, fibras albas emittens. Cuhnl plures, 

 sesquipedales, crassitie lillemporetici tenuiorls , ercctl , sim- 

 plices, terctiuscuil , laevcs , trl - quadrinodes , nodis glabrls. 

 Vaginae Internocliis longiores, arclae, inferne laeviuscu- 

 lae , supeme striatae scabrae , In ligulam chartaceam albidam 

 obllque ovitam rotundatam continuae, dorso superne obluse 

 carlnatae, carlna cum folio conlluente. Folla cuhuo pa- 

 rumbrevlora, erecta , striciiuscula , fiUformla , teretiuscuia, 

 superne canalicuiala , scabra , glauca ; summum panlculam 

 subaequans. Panlcula 6 — 8 poUices longa, erecta , sc- 

 cunda. Rhachis communis convexo - phma,' ad angulos 

 6Cal>ra. Raml 3 — 4 pollices longi , fasclculato- ternl , patcn- 

 tcs , compressi, ad angnlos scaberrimi , ad medium integri, 

 hinc trichotoml, baai nodulo insertl , accedente sub Inhmo 

 fasclculo squama brevl emarglnata appressa ,. ct In nonnullls 

 quoque ligula lineari ciliata laterali. Ramull pauciflori , basi 

 etiam nudi , ramls similes. Pedicelli gemini , Inaequales, 

 spiculam aequantos vel paulo longiores , compressi, scabri, 

 callo sub spicula distincto. Gluraac sul)aequales , inferlor 

 (quae paulo longior) 3,- lineas longa , ovato-lanceolatae, lon- 

 gissimc acuudnatae, acumine subuliforml, carinatae, triner- 

 ves, scabrae, basi purpureae aplce albo-hyalinae : Inferlor 

 marglne basin versus ciliata et ad nervos hispidula. Floscu- 

 lus vix ^ lineae longus, obovatus , truncatus , superne tuber- 

 culatus , basi all)0 - strigosus , sub arista obsolete denticu- 

 lato-cllialus, pallidus. Arista fere ])ollicaiIs , recta , basi 

 parum torta, scabra , e flavo purpurascens , filiformi- setacea. 

 Valvula superior inclusa ab Inferiore , hac paulo brevior, 

 compressa , cliartac.ea , laevissima , fusca , apice truncata ct 

 ad latera membranacea , mucronata, gcnitalia amplectens et 

 cum caryopsl demum concrescens Stamina ct pistillum non 

 vidlmus. Caryopsis turblnala, subconipressa , fuscesccns. 



Hahllal ad IMonle Video. (Selloiv. Z\. . Vidi in IJerb. 

 Jicg. Berol.) 



