ee Ee Ee Pe ET ce ee Ee Oe ee ee eee 
SYNOPSIS OF THE FLORA OF COLORADO. 25 
strict, erect, longer than the leaves, loosely many-flowered; bracts 
sone ai subulate, i i than the pedicels; flowers yellow or ochroleu- 
ous, xed; corolla rather large, 9’ long; calyx” gibbous at base, 
pe ron w vith blackish Hale ioe subulate teeth scarce half as long as the 
cylindrical tube; pod over I’ in length, stipitate, exserted from the baly * 
pendulous, wuletiey ecoditen arcuate ‘with age, sharply 3-angled, chart- 
aceous, the dorsal suture salient, with an acu or us on each ae in- 
truded half way to the ventral. This s pee t be referred ‘to Sect. 
11 , Galegiformes, of Gray’s Revision, and seems in many res ill an 
intermediate beni: Swen raiaminela and A. racemosus.—South 
Park, July 24, 1872, Porter. Wet Mountain Valley, 1873, Brandegee, in 
as 
ASTRAGALUS rarer Pursh. Gr. Rev. |. ¢., p. 200. Appressed- 
te peti or glabrate ; stem _— high, FaGBeD stout, somewhat sule — 
length of the leaves, pels any- enti red; flowers nodding 
somewhat secund ; calyx st nie i gibbo Hie base, whitish- pubernlent, 
the setaceous teeth slightly shorter vaio the Sane, equaling the stipe; 
pod lance-oblong, 1’ long, thr rapes ed, not 2-celled, cross section 
somewhat e equally. tri- radiate, very ooth, ime — above.— 
meow & Harbour, 113. Wet Mo alain "Valley; Brande 
STRAGALUS GRACILIS, Nutt. Gr. Rev. l. ¢., p. 202, Erect, slender, 
Loar stems virgate, 1° high or more from a ve y long, sweet 
root; leaflets very narrowly ead: almost filiform, path long, obtuse 
or retuse, 5to8 eee lower —— somewhat united, the rest distinct; 
ecg spike-like, siren red, oe Lpdnc coping ned Saas flow agit oe 
pO strong gly beter eo the back, white Baie: at leng eth lates 
transversely rugose- ee elliptic: -ovate, 1-celled, ventral ‘suture thick 
do. ell. 
and subacute. —Plai f Kastern Colora Be Sx 
ASTRAGALUS MICROLOBUS, Gr. Fev. l. ¢., p. 203. (A epons Torr. 
in Ann. N. Y. Lye., p. 179.) Cinereous-pubescent; stems erect and 
peers about 1° high; leaflets linear or oblong- sce ine sedutaiiiee 
4-6 long; racemes rather short and aeuAtly loosely flowered ; tlowers 
deep purple, 4” long; pods reflexed, thick, cartilaginous, puberulent, 
finely rngulose, turgid, a little fattened on the back, the ventral suture 
very thick.—Hall & Harbour, 119; egee 
ASTRAGALUS ABORIGINUM, ’ Richards, wa Ker. he -, p. 208. Perennial 
hoary-pubescent or subvillous; stems numerou rigid, ascending, 4°~ 
1° high; stipules triangular, for the most past ee; | ts 3-6 
pairs, ” linear or oblong-lanceolate, acute ; P Letereary exceeding the 
leaves; flowers small (3-5 long) in a compact raceme, white or 
tinged’ with violet; calyx-teeth tiie baliliite, a little shorter than 
the tube; legume i bec Besisy reflexed, somewhat membranous, 
glabrous, laterally subcompressed, (cross- section oval,) Sete attac? 
the tral s uture areuate, 1- ps ith a very het rudimentary 
septu na on the dorsal s ide, 10-15-ovuled.—Not seen by us, uk re- 
ported from the Rocky Mountains of Colorado Pa Wat tson in King’s 
ep., vol. 5, p. 70. 
ASTRAGALUS IODANTHUS, Watson. King’s Rep., v.5, p. 70. Peren- 
nial, canescent with an appressed hairy pubescence, or ey reagan 
stem mbent, 6/—10/ long; stipules ovate-lanceolate, me- 
What adnate to the petiole; leaflets 6-10 pairs, 2/’-5” oe: "chew ai or 
, obtuse ; peduncles equaling or shorter than the leaves; spikes 
