SYNOPSIS OF THE FLORA OF COLORADO. 2T 



ally prostrate or matted; peduncles scape-like, eapitately few flowered 

 or spieately H-14 flowered; calyx-teeth about halt' shorter than the 

 cylindrical tube; leaflets 5-10 pairs, elliptical and obovate-elliptical ; 

 corolla bright violet (or rarely white;) pod thick, coriaceous, ohcom- 

 pressed, nearly straight, about 1' long:, blackish, elliptic, transversely 

 rngulose. Hall & Harbour. 127. Purgatory River, I)r. Bell. Canon 

 City, Brandegee. 



ASTRAGALUS SHORTIANUS, Nutt. Gr. Rer. 1. c., p. 210. Usually sub- 

 acanlescent, silky-canescent with a very closely ai)pressed pubescence ; 

 leaflets obovate or ovate, 7"-10" long; peduncles scape-like few 

 many-flowered, commonly shorter than the leaves; calyx 6" long, cyl- 

 indric, teeth shorter than the tube ; corolla violet or blue, rather large 

 and showy; pod l'-2' long, ovate or ovate lanceolate, thick, coriaceous, 

 obcompressed, intruded dorsal suture approaching the ventral, not 

 -celled, transversely mgnlose, pointed and strongly arcuate, thick, more 

 or less pubescent. Hall & Harbour, 120 (A. cyane-uft,Gr.;) Brandegee. 

 Clear Creek Canon, Coulter. 



ASTRAGALUS PARRYI, Gr. Rer. L c., p. 211. Stem short, prostrate, 

 villons with loose spreading hairs; leaflets 7-13 pairs, obovate or 

 oblong, 3"-9" long; peduncles rather short : flowers 6-10, loosely sub- 

 capitate, G^-IO" long, whitish or yellowish, the keel tinged with pur- 

 ple ; calyx-teeth half shorter than the cylindric tube; pod pubescent, 

 oblong-lanceolate, 1' longer or more, arched or at length em-mate, ob^ 

 compressed, rugulose, both sutures sulcately impressed, contiguous, 

 Hull & Harbour, 123; Brandegee. Near Denver, Coulter. Specimens 

 from Brandegee have the assnrgent stems tVom 8'-10' long. with 2-3 

 peduncles from the axils of the leaves. 



ASTRAGALUS TRIFLORUS, Gr. Rev. L c. r p. 214. Annual, cinereous- 

 pubescent, very much branched from the base, brandies ascending, 

 t> / -12 / high; stipules acuminate, slightly adhering at base; leaflets 

 5-7 pairs, oblong or linear-oblong often truncate at the apex and retuse. 

 4'/_g" long; peduncles in fruit, exceeding the leaves; flowers 3-15, 

 ochroleucous, tinged with purple, small, about 3" long; calyx-teeth 

 subulate, equaling the tube; pod sessile or on a short pedicel, mem- 

 branous, inflated, oval, obtuse or acutish 7 // -12 // long, finely reticulated, 

 pubescent, neither suture inflexed, dorsal snlcas deep and narrow, 

 many-seeded. Canon City, Brandegee. 



ASTRAGALUS PICTUS, Gr. Rev. L c., p. 2U. Root filiform ; hoary 

 with a loose silky pubesceuce; stipules rigid, persistent, connate; leaflets 

 3-7 pairs, narrowly line-ir or filiform, G"-18" long, most of them usually 

 abortive; flowers few, rather small: keel with the iuflexed apex some- 

 what produced, pale rose-colored ; pod G"-1S" long, mottled with pur- 

 ple blotches, ovoid, short stipitate, stipe equaling the calyx, scarcely 

 point* (1, pendent. 



Yar. FILIFOLIUS, Gr. /. c., p. 215. (A. JiUfolius. Gr.) Leaves usually 

 imperfect; leaflets very few, mostly attenuated, I'-li' long, terminal 

 one, or the filiform rachis produced, persistent; legume I'-IJ 7 . On 

 the plains. Hall & Harbour, 138. Denver and Colorado Spriiigs,~Porte?\ 



ASTRAGALUS FRIGIDUS, Gr. Rev. L <% p. 219. Subglabrous, erect, 

 l-2 high; stipules ovate-oblong, membranous, hairy; leaflets 7-9 

 pairs, ovate-oblong or elliptic-oblong, green ; peduncles equaling the 

 leaves; calyx- teeth short; corolla white; pod oblong, acute at each end, 

 black-hairy or glabrous, 1-celled, the stipe equaling or exceeding the 

 calyx. a Subalpiue, in wet pine woods." Hall d Harbour, 137. 



ASTRAGALUS LONCHOCARPUS, T. & G. Gr. Rev. 1. e., p. 219. (Phaca 



