MANUAL OF THE GRASSES OF THE UNITED STATES 



111 



mm long, glabrous, rather obscurely nerved, conspicuously webbed 

 at base. % — Moist woods and shady places, Coast Ranges from 



Figure 177— Poa nervosa. A, Plant, X 1. (Suksdorf 10364, Wash.) B, Floret, X 10. (Type 

 of P. wheeleri.) C, Floret, X 10. (Type of P. nervosa.) 



Corvallis, Oreg., to Santa Cruz County, Calif. 

 16. Poa laxiflora Buckl. (Fig. 180.) 

 Culms retrorsely scabrous, 100 to 120 cm tall; 

 sheaths slightly retrorse-scabrous ; ligule 3 to 

 5 mm long; blades lax, 2 to 4 mm wide; 

 panicle loose, open, nodding or drooping, 

 10 to 15 cm long, the lower branches in 

 whorls of 3 or 4; spikelets 3- or 4-flowered, 



Figure 178.— Distribution of 

 Poa nervosa. 



1 ° b hY 



Figure 179.— Poa keUoggii. Plant, X 1; floret, X 10. (Kellogg and Bolander 14, Calif.) 



5 to 6 mm long; lemmas about 4 mm long, webbed at base, rather 

 sparsely pubescent on lower part of the nerves. % — Moist 



55974°— 35 8 



