162 



7. P. Crus Gain L. 



var, muticum Hack. 



N. 17Ö0. Transcaspia, in cultivated land by Merw. June 3. 1899. 

 N. 1925. Chiwa, in cultivated land. July 7. 1899. 



var. brevisetum Doel. 



N. 2087. Chiwa, by Kisil Yi, in mud by the river Amu Daria. Aug. 12. 

 1899. 



var. hispidulum (Retz. a. A.). 

 N. 2098. Chiwa, in rice-fields by Chasar-asp. Aug. 18. 1899. 



V. Setaria Beauv. 



8. 5. viridis Beauv. 



N. 801. Ferghana, in cultivated land by Margilan. May 27. 1878. 

 N. 1284. Pamir, pro v. Wakhan, in cultivated land by Langarkisht. Alt. 

 3000». Sept. 8. 1898. 



9. S. glauca Beauv. 



N. 1941. Chiwa, in cultivated land. July 9. 1899. 



VI. Oryza L. 



10. 0. sativa L. 



N.2097. Chiwa, cultivated by Chasar-asp. Aug. 18. 1899. 



VII. Aiopecurus L. 



11. A. pratensis L. 



X.518. Alai mountains, Olgin Lug. Alt. 2800». June 24. 1898. 



12. A. ventricosus Pers. A. ruthenicus Weinm. A. nigricans 

 Horn. 



N. 1070. Pamir, by the lake Jashil Kul. Ast. 3800». Aug. 8. 1898. 



13. A. mucronatus Hack. n. sp. 



Rhizoma repens, stoloniferum. Culmus humilis (ad 14 cm. 

 altus), erectus, teres, glaberrimus. Folia ad basin culmi aggregata, 

 illam vaginis laminisque emortuis dense cingentia, glaberrima, 

 glauco-viridia: vaginae laxae, summa valde inflata, ligula rotundata 

 V. truncata, erosula, circ. 2 mm. longa, laminae lineares, acutae, 

 planae vel siccando saepius complicatae, 6 — 10 cm. longae, ex- 

 plicatae circ. 4 mm. latae, summa cuirai vix 3 cm. longae, rigidulae. 

 Panicula spiciformis ovato-oblouga, 1.6 — 2 cm. longa, 1 cm. lata. 



