48 Flora of Den>->-/ . 



391. Salix longifolia MUHL. Leaves narrow, lanceolate, 

 sparingly short, bristly-toothed, canescent with fine close hairs 

 especially on the young shoots. Common along the streams, 

 latest in bloom. 



392. Salix cordata MUHL. Near Denver. Coulter. 



393. Salix irrorata ANDERS. Leaves with yellow midrib 

 and very glaucous beneath. I have not the flowers or fruit of 

 this. Along the Platte near Valverde bridge. 



394. Populus balsamifera L. var. candicans GRAY. The 

 common broad-leaved cottonwood. Along the Platte and the 

 ditches. 



395. Populus angustifolia JAMES. The narrow or willow- 

 leaved cottonwood. Along the Platte and the ditches. 



IRIDACE/E. (Iris Family.) 



396. Iris Missouriensis XUTT. (BLUE-FLAG.) In a meadow 

 near Baker's Pond near the Larimer Street viaduct Spring. 



397. Sisyrinchium mucronatum MICHX. (BLUE-EYED 

 GRASS.) Along the Platte. Summer. Not common. 



LILIACE^E. (Lily Family.) 



398. Allium reticulatum FRASER. The wild onion with 

 umbels of white flowers. North Denver. Spring. 



399. Leucocrinum montanum NUTT. (WHITE PRAIRIE- 

 LILY.) One of the earliest flowers, with long, grass-like leaves 

 and delicate white fragrant lilies from an erect root stalk. 

 Common on the plains. Spring. The seeds ripen under the 

 ground. 



400. Smilacfna stellata DESF. (FALSE SOLOMON'S-SEAL.) 

 Leaves numerous and clasping, small delicate white flowers in 

 a short, terminal raceme. Berries at first striped with red, 

 when fully ripe red all over. In shady spots along the Platte 

 and Cherry Creek. 



