294 Contributions to. Western Botany. [ ZOE 
late, rounded, obtuse, oblique, ascending, concave to keel, nearly 
horizontal and connivent over the keel, forming an arch over it, 2 
lines wide and ¥% a line longer than keel, purple; keel all purple. 
One form has banner 5 lines long, short; calyx 3 lines long, and 
teeth 1% lines long; pods hoary, and whole plant densely silky. 
Another form has fleshy pods, less hairy; calyx 4 lines and teeth 1 
line long; keel rounded, % narrower than the above; flowers 8 lines 
long. This plant is instantly recognized by the arched and conni- 
vent wings and stippled white spot. 
ASTRAGALUS CHAMALEUCE Gray. (Distributed by me as A. 
glareosus, but not in my sets.) Flowers 1 inch long, pink purple, 
few; banner in flower oblong-oval, sides reflexed 45°, plain, dark 
pink-purple with darker veins, tip with a central notch 3 line deep, 
and with two shallow ones adjoining, seldom absent; white spot 
comes within a line of the edge all around and as low as the keel, 
narrower below, obovate-cordate, edge ragged, with red-purple 
veins; below and a line apart are two patches of anastomgsing red- 
purple veins; wings narrowly oblong, dark purple at tip, oblique, 
rounded, tip twisted just below tip of keel; and horizontal; keel 
narrow 2 lines below tip, blunt and rounded, dark purple at tip; 
pod very fleshy, cartilaginous, and sparsely short hairy. It always 
grows in firm, damp meadows, in mountain parks, or high valleys. 
It blooms in June and July. It is a matted, woody-rooted, pros- 
trate, densely branched, silvery plant, with short peduncles among 
the leaves. 
ASTRAGALUS IODANTHUS Watson. This is the most. variable 
plant of the genus in Utah, and may include several species recently 
erected. The sides of the banner are reflexed, so that the outline 
is oblong, notched; white spot, deep purple veined; banner deep 
purple below, and shading to white at tip, or purple throughout, 
slightly sulcate, ascending 30°, sides most reflexed at base; wings 
long, dark purple at base, and white from tip of keel to apex, 3 
lines longer than keel, rounded, obscurely erose or notched, as- 
cending near the tip. The pod is fleshy, black hairy or nearly 
glabrous, plain or spotted, straight or arched into a semicircle, 
round or obcompressed, sulcate or not. It grows everywhere ex- 
cept on alkaline flats in the valleys, but does not go beyond the 
higher foothills of the mountains. 
