110 



MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



Figure 126.— Poa fibrata. Plant, X 1; floret, X 10. 

 (Type.) 



Figure 127. — Poa atropurpurea. Plant, X 1; floret, 

 X 10. (Type.) 



blades mostly basal, the uppermost 

 culm leaf below the middle of the 

 culm, folded or involute, firm; panicle 

 contracted, almost spikelike, purple- 

 tinged, 3 to 5 cm. long; spikelets 3 to 

 4 mm. long, rather thick; glumes 

 broad, less than 2 mm. long; lemmas 

 about 2.5 mm. long, broad, glabrous, 

 not webbed at base, the nerves faint. 

 % — Known only from Bear Valley, 

 San Bernardino Mountains, Calif. 



14. Poa curta Rydb. (Fig. 128.) 

 Culms few in a loose tuft, 40 to 80 

 cm. tall, rather lax; sheaths glabrous 

 or minutely roughened; ligule trun- 



