FIG. 435. 
ARDSON'S Pr RICHARDSONI Link, Hort. Berol. 9: 245. 1899. RICH- 
h, with narro R-GRASS.—A slender, erect perennial 6-9 dm. (2°-3°) 
w leaves and nodding, open, few-flowered panicles 7-12 em. 
lanceolate, 
