STIPRAE PLATENSES 



129 



3G. §tipa itubicola Spcp,' 



;p. 



6. Stipa mabicola Spe 

 a. Spioulii ', I 

 h, Flosciilns ' , 

 c. Flosculus Vi 



Diarj. Glumae oblongae, flosculo du- 

 plo longioies, 3-5-nerves, violascentes; flo- 

 sculus subfusoidcus pubescens; corona cy- 

 lindracca basi obsolete constricta, acie 

 denticulato - setulosa; anthopodium dia- 

 nielrum tlosculi subduplo superans, villo- 

 sum; arista persistens flosculo 3-4-plo 

 longior, subglabra. Culmi folia ex appla- 

 nato convoluta laevia saepius sat supcran- 

 tes; panicula primo angusta confcrta, dein 

 relaxata-patula. 



Hab . \n fissuris rupium in cacumine Cuesta del Arra., (3500 

 m alt.), nec non in Nevaclo de Cachl (5000 m alt.), aest. 1897 

 (C. S.). 



Obs. Perennis caespitosa, caespitibus parvis densiusculis (50-150 

 mm alt. = 25-100 mm diam.). 



Caliitl pauci, folia saepius sat superantcs (150-250 mm all.= 

 1-1,25 nmi diam.) fistulosi glabri laeves v. vix obsoletc longitror- 

 sum striatuli, ad apicem usque foliati, erecti, recti, 1-v. 2-nodi, 

 nodis non incrassatis concoloribus glabris. 



Folia subdimorpha in juventule teretla subulato-convoluta, per 

 aetatem in vivo plus minusve aperto-applanatula, in sicco laxe 

 convoluta, sordide viridia, limbis ercctis rigidulis (30-100 mm long. 

 = 0,5-0,75 mm diam. — 1,5-3 mm lat. apert.) glabris non scabris, 

 dorso laevissimis v. vix obsoletc strialis, ventre glaucescenti-prui- 

 nulosis tenuiter 7-11-striatulo-sulcatis, apice abrupte breviterque 

 atlenuato-acutatis non pungentibus, vaginis adpressis sordidis per 



