307] FLORA OF BOULDER, COLORADO 159 



637. A. Lamberti (Pursh) Greene [Oxytropis Lamherti 

 Pursh; Spiesia Lamherti (Pursh) Kuntze]. Lambert's 



LOCO-WEED. 



Abundant on the plains, mesas, foothills, and in subalpine 

 meadows, 5100-9000 ft. (Daniels, 15). Also on the mountains 

 between Sunshine and Ward, and from Eldora to Baltimore 

 (Rydberg). Saint Vrain creek (Coulter in Wabash College 

 Herb.). 



Minnesota to Montana; Missouri to Colorado. 



638. A. sericeus (Nutt.) Greene [Oxytropis sericea Nutt. ; 

 Spiesia Lamherti sericea (Nutt.) Rydb.] Silky loco- 



WEED. 



With the preceding, 5100-9000 ft. (Daniels, 43). 



North Dakota to Wyoming; New Mexico to Arizona. 



639. A. Richardsonii (Hook.) Greene [Oxytropis splendens 

 Richardsonii Hook.]. Richardson's loco-weed. 



In mountain valleys from Eldora to Baltimore (Rydberg). 

 Saskatchewan to Yukon ; and in the Rocky Mountains 

 to Colorado. 



256. GLYCYRRHIZA L. Wild liquorice. 



640. G. lepidota Nutt. Scaly wild liquorice. 



Common along roads and railroads, and in the larger canons, 

 and on the plains throughout, 5100-8000 ft. (Daniels, 160). 



Ontario to Washington; New York to Arizona and 

 Mexico. 



257. AMORPHA L. False indigo. Lead plant. 



641. A. fruticosa L. Shrubby false indigo. 



Along streams and in gulches in the mesas and plains, 5100- 

 6000 ft. (Daniels, 50). Not in Rydberg's Flora. Prof. Ram- 

 aley reports A. angustifolia (Pursh) Boynton from Boul- 

 der, but according to Prof. Cockerell the specimen in the Univ. 

 of Colorado Herbarium is A. fruticosa L. 



Ohio to Manitoba ; Florida to Colorado and Chihuahua. 



