112 



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



Figure 129.— 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.) 



Figure 130.— Poa kelloggii. Plant, X 1; floret, X 10. (Kellogg and Bolander 14, Calif.) 



lower part of the keel and marginal 

 nerves, and purplish retrorsely pubes- 

 cent lower sheaths. These characters 

 are not coordinated, and the forms 

 grade into each other, both as to char- 

 acters and range. 



16. Poa kelloggii Vasey. (Fig. 130.) 

 Culms 30 to 60 cm. tall; sheaths 

 slightly scabrous; blades flat or 

 folded, 2 to 4 mm. wide; panicle py- 

 ramidal, open, 7 to 15 cm. long, the 



branches mostly solitary or in twos, 

 spreading or reflexed, bearing a few 

 spikelets toward the ends; spikelets 

 rather loosely flowered, 4 to 6 mm. 

 long; glumes 3 and 4 mm. long; lem- 

 mas acute or almost cuspidate, 4 to 5 

 mm. long, glabrous, rather obscurely 

 nerved, conspicuously webbed at 

 base. % — Moist woods and shady 

 places, Coast Ranges from Corvallis, 

 Oreg., to Santa Cruz County, Calif. 



