HAS 



VOM'K.K. 



c. SpikcU'ts '2 mm. loiij;. paiiiclo itiiri)lisli, opi'ii, 10- 

 1'' ''"'• '<>"^' 



c. Spiki'li'ts :{-4 mm. loii^'; panicle luDccoIiitc. IT) cm. 

 •o"^' 10 



c. Spikch'tH 4-«] mm. loii^', glumes ju'umiiiati'. paiii- 

 clo ojUMi, purplish 1 ^ 



c. Spikoli'ts 4.5 mm. lon<,', paiiido Hpikt'Iiki'. O-S cm. 



lonjr 



1-^ 



c. Spikdcta 4-.") mm. long, acute, paiiiclo spikcliko, 



5-7 cm. long jy 



c. Spikck'ts T) mm. long, })aniclo open, silvery green, 



(j-lii cm. long 1^ 



e. S[)ikeletH T)-*! mm. long, panicle thin, H-VZ em. long. 15 

 e. Spikelets 5-G mm. long, i)aniele rather loose, !•*- 



25 cm. long jq 



c. Spikelets 5-7 mm. long, panicle rather dense, 8-15 



cm. long 1 -< 



~ ij 



c. Spikelets 6-7 mm. long, acuminate, panicle dense, 



6-10 mm. long. 



p' 



18, 19 



c. Spikelets 2.. '3-4 mm. long l\\ 



d. Unawued 20 



d. Awn starting at the apex of the notch of its 

 glume, iwniclo open, wliitish green, 10-15 cm. 



long 21 



d. Awn starting below tlie notcli of its glume. . (e) 

 e. Panicle rather dense, purple, spikelets 4 mm. 



lo».^' 22 



} 



e. Panicle interrupted, 12-15 cm. long, spike- 

 lets 4 mm. long o 



e. Panicle open, 10-20 cm. long, spikelets gap- 

 ing, 2.5-3.5 mm. long, awn very slender, 

 straight ^i 



e. Panicle lanceolate, 15 cm. long, spikelets 2- 

 3 mm. long 10 



e. Panicle loose, 4-20 cm. long, spikelets 4 mm. 

 lo»g 25 



