165 



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



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



oblonga, obtusiuscula, castanea, tota appresse pubescens, aristam 



caducam ipsam subaequantem e glumis vix v. baud exsertam 



emitteus. 



Affinis O. caerulescenti Hack., quae ditfert paniculae ramis 



ramulosis multispiculatis, gluma fertili glabra, sterilibus iuconspicue 



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



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



breviter pyramidata, spiculis lineari-oblongis, glumis sterilibus 



viridibus apice nigro-spbacelatis, arista exserta. 



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

 July 27. 1898. 



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

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

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

 Ind. 7, 234. 



X. 842. Pamir, on dry plains by the lake Jashil Kul, frequent. Alt. ."SOO". 

 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. mai'itima similis, sed 



characteribus omnino P. monspeliensis. 



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

 3000". Sept. 9. 1898. 



XIII. Agrostis L. 



25. A. alba L. 



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



Aug. 29. 1898. 

 X. 1390. Pamir, prov. Wakhan, by Torguz. Alt. 2900>». Sept. 19. 1898. 

 X. 1402. Ibid. 



26. A. Paulsenii Hack. n. sp. 



Perennis, caespitosa, innovationibus extravaginalibus paucis, 

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



