165 



quales, elliptico-lanceolatae, breviter subulato-acuminatae, concavae, 



inferne 7-nerves, glaberrimae. Gluma fertilis sterilibus duplo brevior, 



oblonga, obtusiuscula, castanea, tota appresse pubescens, aristam 



caducam ipsam subaequantem e glumis vix v. baud exsertara 



emittens. 



Affinis O. caerulescenti Hack., quae differt paniculae ramis 



ramulosis multispiculatis, gluma feitili glabra, sterilibus inconspicue 



nervosis. O. sphacelata Hack. {Piptatherum sphacelatum Bois. et 



Buhse) differt (sec. descript.) culmo superne longe nudo, panicula 



breviter pyrainidata, spiculis lineari-oblongis, glumis sterilibus 



viridibus apice nigro-sphacelatis, arista exserta. 



N. 994. Pamir, on moist slopes near the lake Jashil Kul. Alt. 3900". 

 July 27. 1898. 



23. 0. molinioides Hack. Piptatherum moUnioides Bois., 

 Diagn. I, 8. 1846. Piptath. laterale Munro (1886). Milium late- 

 rale Kgl. (1881). Oryzopsis lateralis Stapf in Hook fl. Br. 

 Ind. 7, 234. 



N. 842. Pamir, on dry plains by the lake Jashil Kul, frequent. Alt. 0800"". 

 July 21. 1898. 



XII. Polypogon Desf. 



24. P. monspeliensis Desf. 



N. 196. Transcaspia, by Tshardshui. May 13. 1898. 

 N. 1803. Buchara. June 14. 1899. 



— — forma minor, habitu P. maritima similis, sed 



characteribus omnino P. monspeliensis. 



N. 1329. Pamir, prov. Wakhan, in thickets by the river Pandsh. Alt. 

 3000-". Sept. 9. 1898. 



XIII. Agrostis L. 



25. A. alba L. 



N. 1183. Pamir, in the mountains by the lake Jashil Kul. Alt. 3800". 



Aug. 29. 1898. 

 N. 1390. Pamir, prov. Wakhan, by Torguz. Alt. 2900". Sept. 19. 1898. 

 N. 1402. Ibid. 



26. A. Paulsenii Hack. u. sp. 



Perennis, caespitosa, innovationibus extravaginalibus paucis, 

 stolonibus nullis. Culmi erecti, ad 60 cm. alti, teretes, glaberrimi, 



