624 POACE^. 



palea lanceolate, pectinate-ciliate, 7-9 mm. long. Grain condu- 

 j)licate. 



Michigan, (Petoskey) Wheeler, (Charlevoix) SjMlding ; Wyom- 

 ing, Buffum c 34; Montana, A?iderson 12, 13, Williams; Utah, 

 Jones J Vancouver Island, Macoun ; Washington, Lake, Sandherg 

 450 ; Oregon, Hoivell for U. S. Dept. Agricul. 742 ; California, 

 Jo)ies 2487, 3108 ; Arizona, Pringle, Tracy, Tourney 747. 



Northern Michigan, Eocky Mountains to Oregon. 



25. B. Kalmii A. Gray, Man. Ed. 1:600 (1848). B. ciliatus 

 Muhl. Gram. 169 (1817), not L. B. purgans Torr. Fl. N. Y. 2 : 468 

 (1843), not L. 



An erect slender perennial, 60-90 cm. high, with drooping 

 panicles. Sheaths mostly shorter than the internodes; ligule about 

 0.5 mm. long; blades 4-5, usually conspicuously hairy, flat or becom- 

 ing involute in a dry climate, 12-18 cm. long, 5-8 mm. wide. Pani- 

 cle 8-15 cm. long, rays slender, mostly in twos and threes, the 

 longest 4-6 cm. long, bearing 1-2 spikelets. Spikelets oval, 

 drooping, 7-13-fiowered, the glumes densely silky all over, espe- 

 cially the floral glume, joint of rachilla j^ubescent, about 2 mm. 

 long; first glume linear-lanceolate, 3-nerved, 5-6 mm. long, 

 second oval, scarcely acute, 7-nerved, 7 mm. long; floral glume 

 round on the back, oval, obtuse, even near the apex when mature, 

 7-9-nerved, 9-11 mm. long; awn 2-3 mm. long; palea linear, 

 strongly pectinate-ciliate, 7 mm. long. Dr. Gray was followed in 

 some respects in the above description. 



Michigan, Beal cO Wheeler 147; Minnesota, Arthvr; Montana, 

 Anderson. 



Dry grounds, New England, New York, Michigan, Montana, 

 and northward. 



Var. occidentalis Vasey, ined. 



Blades narrower, not so hairy, joint of rachilla 3 mm. iong, 

 first glume obtuse, 5-7.5 mm. long, second oval, almost obtuse, 

 6-8.5 mm. long; floral glume with shorter hairs. 



Montana, Canhy dc Scrihier 384, Anderson 11; Colorado, 

 Cassidy. 



Rocky Mountains. 



