158 UNIVERSITY OF MISSOURI STUDIES [306 



632. H. Salidae Rydb. SALIDA MILK VETCH. 

 Plains in Boulder, 5600 ft. (Daniels, 4). 

 COLORADO. 



254. OROPHACA Britton. 



633. 0. tridactylica (Gray) Rydb. [Astragalus tridactyticus 

 Gray]. THREE-FINGERED MILK VETCH. 



St. Vrain's Canon (Rydberg; also Coulter in Wabash College 

 Herb.). 

 COLORADO. 



255. ABAGALLUS Necker. LOCO-WEED. 



634. A. deflexus (Pall.) Heller [Oxytropis deflexa (Pall.) 

 DC.]. DEFLEXED LOCO-WEED* 



Boulder Canon; also in subalpine meadows about Eldora 

 and along the Arapahoe Trail, 6000-11000 ft. (Daniels, 808). 

 SASKATCHEWAN and ALASKA to NEW MEXICO. 



634^. A multiceps (Nutt) Heller [Oxytropis multiceps 

 Nutt.]. CESPITOSE LOCO-WEED. 



Boulder Canon, 9000 ft. (Coulter in Wabash College 

 Herb.). Redrock lake, 10100 ft. (Ramaley & Robbins). 



NEBRASKA to WYOMING and COLORADO. 



635. A. minor (Gray) Cockerell. Nov. comb. [Oxytropis 

 multiceps minor Gray; A. multiceps minor (Gray) A. 

 Nels.]. LITTLE LOCO-WEED. 



Sugarloaf, 8500 ft. (Cockerell). Also mountains between 

 Sunshine and Ward, and at Caribou (Rydberg). 

 COLORADO. 



636. A. patens Rydb. BROAD-LEAVED LOCO-WEED. 



Plains and foothills near Boulder; below Sunshine and 

 Ward; Eldora to Baltimore (Rydberg). Common throughout, 

 5500-9000 ft. (Daniels, 333). Boulder is the type locality. 



COLORADO. 



