92 UNIVERSITY OF MISSOURI STUDIES [24O 



259. A. reticulatum Fraser. Fraser"s wild onion. 

 Springy canons in the foothills and the mountain plateau, 



6000-8500 ft. (Daniels, 292). 



Saskatchewan to Idaho; South Dakota to Arizona. 



260. A. Pikeanum Rydb. Pike's Peak wild onion. 

 Above timberline, Arapahoe Peak, 11000-13000 ft. (Dan- 

 iels, 1002). 



Colorado. 



Family 21. LILIACEAE Adans. Lily family. 



91. LETJCOCRINTJM Nutt. Sand lily. 



261. L. montanum Nutt. Mountain sand lily. 



Along the railroad between Boulder and Marshall, 5400 

 ft. (Daniels). Very abundant at Boulder (Cockerell). 

 South Dakota to Montana and Colorado. 



92. LILIUM L. Lily. 



262. L. PhiladelpMeum montanum (A. Nelson) Cocker- 

 ell. Nov. comb. Mountain lily. 



Springy canon on north slope of Green Mt., 6500-8000 

 ft. (Daniels, 355). Occasionally bearing two or more flowers. 

 Montana to Colorado. 



93. ERYTHRONIUM L. Adder's-tongue. Dog-tooth 



violet. 



263. E. parviiorum (S. Wats.) Goodding [E. grandiflornin 

 parvifloriim S. Wats.] . Small-flowered adder's tongue. 



Above timberline, Arapahoe Peak, 11000-I1500 ft. (Dan- 

 iels, 888). 

 Wyoming to Colorado and Utah. 



94. LLOYDIA Salisb. 



264. L. serotina (L.) Sweet. Late Lloydia. 

 Arapahoe Peak, 10000-14000 ft. (Rydberg). 

 Montana to Alaska and Colorado. 



