OO 
Vor. IL] PEA FAMILY. 
7. Astragalus adsutrgens Pall. As- 
cending Milk Vetch. (Fig. 2131.) 
Astragalus adsurgens Pall. Astrag. 40. f/. 37. 
1800. 
Minutely cinereous-pubescent or glabrate, 
ascending or decumbent, 4’—18/ long, simple 
or branched at the base. Stipules membran- 
ous, ovate, acuminate, 3//-5’’ long; leaflets 
15-25, oval to linear-oblong, obtuse and 
sometimes emarginate at the apex, narrowed 
at the base, 8’/-12’” long; peduncles exceed- 
ing the leaves; flowers purplish, 6’’-8’/ long, 
in dense short spikes; pod sessile, 2-celled, 
oblong, pointed, coriaceous, finely pubes- 
cent, erect, dehiscent, cordate-triangular in 
section, deeply furrowed on the back, 4’/-6’” 
long. 
Prairies, Minnesota to the Northwest Terri- 
tory and British Columbia, south to Kansas and 
Colorado. Also in northern Asia. June-July. 
; J |W 
= Ze. 
iS, SBS 
Be Se 
Z| SQ | 
ZEISS WS SS 
Asia. 
g. Astragalus Drummondii Doug]. 
Drummond’s Milk Vetch. (Fig. 2133.) 
Astragalus Drummondii Dougl.; Hook. Fl. Bor. 
Aim. 1: 153. 1833. . 
Loosely woolly-pubescent, erect, 1°-2° high, 
rather stout, growing inclumps. Stipules ovate, 
long-acuminate, 3/’-5’’ long; leaflets 19-33, ob- 
long or sometimes oblanceolate, obtuse at the 
apex, narrowed at the base, 5’’-10’” long; flow- 
ers yellowish white or the keel purplish tinged, 
8’’-9’ long, in loose spikes; peduncles equalling 
or exceeding the leaves; pod 1-celled, the dorsal 
suture somewhat intruded, distinctly stipitate, 
cartilaginous, linear, pendent, glabrous, grooved, 
about 2’ long; calyx somewhat enlarged at the 
base, dark-pubescent above. 
Prairies, Nebraska to Manitoba, Wyoming and 
the Northwest Territory. June-July. 
8. Astragalus Hypoglottis L,. 
Milk Vetch or Cock’s-head. 
Astragalus Hypoglottis I,, Mant. 2: 274. 
Pubescent or glabrate, decumbent or ascending, 
slender, branched at the base, 6/-24’ long. Stipules 
ovate-lanceolate, acute, 2’’-3/’ long; leaflets 17-25, 
oblong or elliptic, obtusish and generally emarginate 
at the apex, rounded at the base, 3//-7/’ long; 
flowers violet-purple, 6’’—10’’ long, in dense heads; 
2-celled, dehiscent, 
densely villous with white hairs, ovoid-oblong, 
deeply furrowed on the back, 4//-5’’ long. 
Kansas to Minnesota, north to Hudson Bay, west to 
Also in northern Europe and 
(Fig. 2132.) 
pods membranous, 
Nevada and Alaska. 
