9° 
deep ventrally, with ventral suture a trifle intrude sd, dorsally a 
little suleate but without intruded suture. Calyx cylindrical, 
about 3” long and 1%” wide, in flower the subulate teeth are 
about 1” long. ‘This blooms very early, soon after the snow 
leaves, in full fruit on May 25th. This is probably what Miss 
Eastwood has called A anisus from western Colorado, but the 
true anisus has never been collected except at Pueblo so far as 
1 know. is species is certainly related to A. aboriginum 
and Hookeri 
Astr Saale detritalis n sp. Four miles above Theodore 
Allied to A. simplicifolius. Caspitose in small mats, perennial, 
from an erect and tapering taproot which at crown branches 
into several thick and prostrate stems 1-2” long which are 
densely clothed with closely imbricated hyaline nearly smooth 
and oval stipular scales 3-4” long, which are acute and promi- 
nently 1-nerved and adnate to the petiole. Whole plant ashy — 
with very fine and appressed hairs. Leaves all radical, 2-3” 
long, with slender and grooved green petioles and 2 pairs of 
Kinear-oblanceolate sessile leaflets near ae BP. ae which are 
ower and with stout pedicels 2” long in fruit, ascending, as 
s the fruit. Bracts very large, hyaline, green nerved, triangu-— 
lar, 3-4” long, about as long as calyx in flower, persistent. 
- Calyx tube siort-cylindric, 2’ long, 142” wide, triangular at: 
_ base and equally inserted, oblique at tip and much deeper cleft 
- above, the arcuate subulate teeth as long as the tube and tlie 
lower ones longer. Banner oblong-oval, earoiie. 4” long, 
eral bands a line below the tip, banner arched in a gentle are 
from tip to base and erect. Wings narrowly oblong, 112” 
- wide, poenes’. flat to keel and obtuse, a line shorter than the 
banner, 114” longer than the straight and very obtuse keel 
which is lunate and boat-shaped and not abr ruptly erect 2S 1S 
usual. Pods arcuate, 1’ long sessile, flat, 1 wide, flecked with 
small brown spots, obliquely acute at tip, 1- -celled, manifestly 
allied to A. simplicifolius but differing in the broad calyx, fone 
pod, and flowers three times as large. 
‘Astragalus Duchesnensis n sp. This may prove to be one 
f the extreme ses of A. Jonchocarpes. -lants with the fili- 
