MANUAL OF THE GRASSES OF THE UNITED STATES 111 



mm long, glabrous, rather obscurely nerved, conspicuously webbed 

 at base. 21 Moist woods and shady places, Coast Kanges from 



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

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



Corvallis, Greg., 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. 



FIGURE 179. Poa kelloggii. 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. 9[ Moist 



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