Inflati 103 
‘minutely pubescent throughout with appressed hairs; blooming in 
March and April on the deserts of New Mexico and Arizona south of 
the Mogollons. Lower Temperate life zone probably. 
44. Astragalus Palmeri Gray Proc. Am, Acad. 7 398 (1868). Pods 
deitoid-acute, obtuse at base, smooth. Flowers purple, many in ra 
cemes, about 5 mm. long, arched. Banner arched abruptly at end of 
tube to erect, about 3 mm long, oval, 1-2 mm. longer than wings, with 
sides reflexed a little. Wings oblanceolate, rounded, arched somewhat, 
about 1 mm. longer than keel. ‘Keel with tip abruptly erect and 2 
mm. high, obtuse. Calyx tube campanulate, about 2 mm. long, with 
teeth as long. Pedicels very short and as long as the triangular bracts, 
Peduncles erect, stout, about 1 dm. long, longer than the leaves, 
with racemes 1-1.5 dm. long. Upper leaves nearly sessile. Leaflets 
8-13 pairs, oblong, 1.2-2 cm. long, obtuse, long-petioled.. Stipules very 
small and short, Stems 1-2 ft. high, striate and rather stout. Plants 
ashy to nearly smooth. Growing on gravelly benches. Camp Grant 
southern Arizona. Palmer. Probable, Lower Temperate life zone. 
45. Astragalus pychnostachyus Gray Proc. Am. Acad. 6 257 (1864). 
Pods oval ovate, chartaceous, rigid, and with thick rib-like sutures, 
about 7-10 mm. long, 5 mm. high and 2-3 mm. wide or wider, normally 
much laterally flattened and with cross section diamond-shaped, but 
sometimes nearly round, swelled only in the middle, rather coarsely 
reticulated, closely reflexed in a dense spike or oblong head, nearly 
smooth, pungently and stoutly and shortly acuminate-beaked, the 
beak upturned and with the style nearly as long as pod, both sutures 
very convex, with about 3 ovules. Petals about equal, much as in A. 
Canadensis. Flowers 7-10 mm. long, cream-colored, closely reflexed. 
Banner arched a little remote from calyx, about 4 mm. long, nearly 
round and with fleshy base, with sides reflexed in a narrow line. Wings 
oblanceolate, a trifle arched. Keel rather exserted, the lower side curved 
into a half circle or-a little more, and the very broadly deltoid tip 
rather sharp, about 2-3 mm. high, dark. Calyx tube about 4 mm. long, 
cylindric-campanulate, truncate below, a little oblique at tip, abont 
equally inserted, the deltoid teeth minute, felted white-woolly. Pedice!s 
barely 1 mm. long, stout, much shorter than the hyaline and elongated 
subulate bracts. Flowering peduncles shorter thn the leaves, in fruit 
often 1 dm. long, stout and strict, axillary. Leaves rarely 1 dm. long, 
arcuate. Leaflets thick, mucronate 10-20 pairs, oblong to narrowly el- 
liptical, obtuse to notched, shortly-petiolulate, 1.5-2 cm. long. Stipules del 
toid with a very broad base, adnate about 5 mm. long, scarious. Stems 
perennial, stout, strict, little branched, coarse, often woody, 4 ft high. 
Pubescence white-silky-woolly throughout except the pods. Blooming 
in the fall, growing in salt marshes near the coast from near San 
Francisco California southward. 
46. Astragalus Hornii. Gray Proc. Am. Acad. 7 398 (1868). Pods 
ovate-acuminate from an abruptly rounded base, a little oblique, gra- 
dually acuminate to the tip from base, 1.5-2 cm. long, fully 1 cm, wide, 
the cross section about round, conspicuously inflated, papery and very 
thin, villous-pubescent when young, several seeded, densely set in an 
oblong head. Flowers 5-10 mm. long, about straight, narrow, nearly 
white, capitate, ascending as are the pods. Banner when fully developed 
narrowly elliptical, fully 4-8 mm. long, usually gently arched to 
30 degrees beyond calyx, with sides reflexed 1 mm. wide around the 
margin and most below. Wings nearly linear, gently arched, about 
1 mm. wide, acute or acutish, about 1 mm, longer than keel (or less), 
from fully 3 mm. shorter than banner to nearly as long. Keel with 
long claw abruptly rounded and tin a little incurved beyond, erect and 
about 3 mm. high, deltoid. C^l*x tube campanulate, about 3 mm. long. 
villous, neither oblique nor gibbous nor truncate. Teeth triangular, 
about 2 mm. long. Pedicels stout. Bracts lanceolate and hyaline, — - 
about 2-3 mm. long. Peduncles in flower shorter than the leaves, in 
* 
