24 SYNOPSIS OF THE FLORA OF COLORADO. 



Proc. Am. Acad., 7, p. 197. Perennial, cinereous with minute appressed 

 pubescence, or glabrate; stems rather stout, 4'-18' high, ascending 

 or decumbent, sulcate as well as the peduncles; stipules scarious, 

 mostly united at base; leaflets 10 pairs, 6"-9" long, oblong, or linear- 

 oblong; peduncles long, stout, strict, strongly sulcate, ' often nearly 

 equaling the leaves; spike dense, at length oblong or cylindrical; 

 flowers purplish, medium-sized, ascending; calyx-tube rather long, 

 campanulate, twice longer than the setaceous teeth, subvillous with 

 light or dark hairs; pod coriaceous, pubescent, sessile, ascending, 

 ovate-oblong, 4"-5" long, straight, usually triangular-compressed, with 

 a dorsal sulcus and two-celled by the intruded dorsal suture, tnany- 

 ovuled. Hall & Harbour, 135; Canby ; Brandegee;' Porter. Plains of 

 the Platte, Coulter. Wet Mountain Valley, Red field. 



ASTRAGALUS HYPOGLOTTIS, L. Gray's Rev. I. c., p. 197. Perennial, 

 with a rather loose pubescence ; steins 6'-2 long, slender, diffusely 

 procumbent or ascending; stipules subfoliaceous, and more or less 

 sheathing; leaflets 7-10 pairs, oblong, obtuse or retuse; heads few 

 to many-flowered; corolla violet, y long; legume ovate-triangular, 

 softly, silky-villous with white hairs, very shortly stipitate and but 

 2-8 seeded. Hall & Harbour, 139; Canly; B. H. Smith; Porter; 

 Brandegee. Common on the plains and in the mountains, Coulter. 



ASTRAGALUS BRANDEGEI, Porter (n. sj).) Cauescent with minute 

 appressed hairs; branching from a somewhat woody base, branches as- 

 surgent, 6' high ; leaflets in 5 rather distant pairs, linear, obtuse, in- 

 volute, glabrous above, G'MS" long ; stipules lanceolate, acuminate, 

 slightly aduate to the petioles; peduncles much longer than the leaves, 

 slender, erect ; flowers about 5, in a loose raceme, very small, lJ /7 -2 7/ 

 long; calyx turbinate, hairy, tube a little shorter than the subulate 

 teeth ; corolla white or cream-color, tinged with purple, banner exceed- 

 ing the keel, reflexed ; pod hairy, turgid, obovoid, with a shallow dorsal 

 sulcus, 4"-7 // long, coriaceous, abruptly-pointed, short-stipitate, straight, 

 ascending, twice the length of the slender pedicel, 2-celled or nearly 

 so, many-seeded. 



This new Astragalus, which belongs to Section 9, Micrcwihi, of Gray's 

 Revision, is allied to A. atratm, Watson. I have named it in honor of the 

 zealous collector from whom it was received. Banks of the Arkansas, 

 near Canon City, T. S. Brandegee, June 2G, 1873. 



ASTRAGALUS DRUMMONDII. Dougl. Gr. Rev. I c., p. 200. Perennial, 

 softly-villous ; stem erect, 1-U high, stout, sulcate, very leafy; 

 leaflets 10-15 pairs, oblong and linear-oblong, obtuse, narrowed at 

 the base; stipules distinct, free, ovate, acuminate; peduncles longer 

 than the leaves, erect, spikes loosely-flowered ; flowers rather large, 

 white or ochroleucous, with the point of the keel purple-tinged, pendulous 

 and somewhat secund ; calyx-teeth subulate, shorter than the tube, 

 scarcely gibbous at base, pilose with blackish hairs ; pod very smooth, 

 stipitate, exserted from the calyx, pendulous, linear-oblong, coriaceous, 

 straight, terete-biventricose,with a narrow, very deep sulcus, completely 

 or incompletely divided by the intrusion of the dorsal suture. Hall & 

 Harbour, 124. Near Colorado Springs, Porter. Wet Mountain Valley, 

 Brandegee. Plains near Denver, Coulter. Ula, Wet Mountain Vallev, 

 Redfield, 



ASTRAGALUS SCOPULORUM, Porter (n.sfj.) Pubescent with appressed 

 hairs; stems ascending, about 1 high, angled, branching; stipules 

 (especially the lower ones) somewhat coherent; leaflets 9-13 pairs, 

 obovate or oblong, abruptly short-pointed, glabrous above; peduncles 



