352 POACE^. 



Moist places in the north, Canada, New England to California; 

 wide-spread and quite variable. See Vol. 1, p. 179. Fig. 80. 



25. C. Bolanderi Thurb. S. Wats. Bot. Calif. 2: 280(1880). 

 Deyenxia Bolanderi Vasey, Desc. Cat. Gr. U. S. 50 (1885). 



Perennial; more or less scabrous throughout. Culms with 

 about 3 internodes, geniculate, unbranched, 60-120 cm. high. 

 Sheaths rather loose, scarcely half as long as the internodes ; ligule4 

 mm. long, truncate; blades pale green, flat, 15-25 cm. long, 4-7 

 mm. wide. Panicle dark purple, loose, pyramidal, 4-20 cm. long; 

 the rays in threes to fives, capillary, the half- whorls 3-5 cm. dis- 

 tant. Spikelets on clavate pedicels above the middle of the branches, 

 lanceolate, 4 mm. long, awn exserted, 1-3 mm. long; empty glumes 

 equal, ovate-lanceolate, 4 mm. long, scabrous on the keel, first 

 1-nerved, second obscurely 3-nerved; floral glume rough, ovate, 3 

 mm. long with 4 cus^js at the apex, awn attaclied near the base, 

 hairs at base few, short, in two clusters, hairy rudiment about 1 

 mm. long; palea narrower but little shorter than its glume. 



California (Mendocino County), Bolander 6471, Pringle ; in 

 moist woods. 



26. C. neglecta (Ehrh). Giertn. Mey. & Schreb. Fl. Wett. 1 : 94 

 (1799). Arundo neglecta Ehrh. Beitr. 6:137 (1791). Calama- 

 grostis strida Beauv. Agrost. 15 (1812). Arundo stricta Timm. 

 Siem. Meckl. Mag. 2:236, ex Kunth. 



Culms 20-60 cm. high, erect, scabrous, coming from creeping 

 rootstocks. Sheaths smooth, nearly as long as the internodes; lig- 

 ule decurrent, 3 mm. long; blades of the culm 2-3 in number, 

 usually involute, erect, scabrous above and sometimes below, 15-20 

 cm. long, 3-5 mm. wide. Panicle exserted, erect, 10-16 cm. long, 

 1.5-2.5 cm. broad, somewhat lobed; rays crowded, rather stout, 

 rough. Spikelets rough, crowded, extending nearly to the base of the 

 branches, elliptical, acute, varying from straw-color to dark purple, 

 3.5-4 mm. long; empty glumes equal or slightly unequal, first 

 1-nerved, second 3-nerved; floral glume but little shorter, rough, 

 ovate, truncate-toothed, the straight awn starting a little below the 

 middle and extending to the tip or a little above its glume, the hairs 

 two-thirds the length of the floret, rudiment about 1 mm. long. 



