26 



oblon 

 subfa 

 other] 

 Harbour, 110. South Park, Port 



ASTRAGALUS OROBOIDES, Hornem., var.. AMERICANUS., Gr. Her. 

 1. c., p. 205. Subcinereous-puberulent ; stems suberect. 1-1 J high ; 

 leaflets 5-7 pairs, oblong and oval, or often linear-oblong, scarcely 

 retuse; flowers 3"-4" long, violet or deep purple, tbe wings exceed- 

 ing the keel ; pod 5"-G" long, 3 or 4 times longer than the calyx, 

 moderately sulcate, few-seeded; stipe very short. Hall & Harbour, 

 117. "Along the bank of streams, at middle elevations and subalpiue.*' 

 Mt. Lincoln at 12,000 feet altitude, Coulter. 



ASTRAGALUS ALPLNUS, L. Alpine and subalpine. Hall <fc Harb cur 

 125 ; Dr. Smith ; Brandegee. South Park, Porter. Mt. Lincoln at 13,000 

 feet altitude, Coulter. 



ASTRAGALUS SPARSIFLORUS, Gr. Rev. 1. c., p. 205. Slightly ap- 

 pressed-pilose or glabrate; stems 1 or more in length with many slen- 

 der branches, diffuse; stipules triangular-subulate, distinct; leaflets 

 4-0 pairs, obovate or subrounded, often emarginate, 2"-3 // long ; 

 peduncles scarcely exceeding the leaves, 3-10 flowered ; flowers 3" 

 long, bluish-white, the emargiuate or bifid banner and the wings much 

 exceeding the incurved keel; calyx-teeth equaling the tube; ovary 8- 

 12-ovuled, short-stipitate ; pod, 3"-0" long, coriaceous, oblong, in- 

 curved, pubescent with short hairs, mottled, 2-celled to the middle, 

 very short stipitate, ventral suture acute. Hall tl* Harbour, 128. Oak 

 Creek, Fremont County, Brandegee. 



ASTRAGALUS LOTIFLORUS, Hook. Gr. Rev. L c., p. 208. Hoary or 

 cinereous with appressed hairs ; stems very short ; leaves lance-ob- 

 long ; peduncles exceeding the leaves or very short ; heads few-flow- 

 ered ; flowers yellowish ; calyx-teeth subulate, exceeding the tube ; pod 

 about V long, oblong-ovate, inflated, sub canescent, the cross-section 

 obovate, retuse or usually broadly obcordate toward the base. Hall it* 

 Harbour, 131. Near Denver, Coulter. 



ASTRAGALUS PUBENTISSIMUS, T. & G. Gr. Rt\\ I. c., p. 209. Dwarf, 

 hirsute-canescent with a loose pubescence, many-stemmed from an 

 annual or biennial root ; leaflets oblong or obovate"; flowers few, rather 

 small, purplish- white, subracemose upon a short peduncle, calyx-teeth 

 equaling the campanulate tube ; pod villous, 9"-10" long, inflated, 

 membranaceous, ovate-lunate, strongly incurved, sulcate on the back 

 with a slight introflexion of the suture. " Colorado Territory, near the 

 sources of the Colorado of the West. Found only by Xuttali." 



ASTRAGALUS MISSOURIENSIS, Nutt. Gr. Rev. 1. c., p. 210. Subcanles- 

 cent, hoary-silky with a short, very closely appressed pubescence ; usu- 



