177 
cliffs from Charleston Mts. to Keeler. Tropical. 
134, Astragalus accumbens Sheldon Minn. Bot. Stud. 9 20 (1894). 
A. procumbens Watson. Pods 1.2-2 em. long, oblong-oval, about 7 mm. 
high, wrinkled, puberulent, dorsal suture a little intruded, cross section 
nearly round even when dry, rounded at both ends. Flowers nearly 
Sessile even in fruit, stubby, white or purplish, spreading, few, rarely 
more than 3 pods mature, capitate, 6-10, 6-8 mm. long, the blades about 
as long as calyx. Banner almost round, arched to erect, in broad 
curve beyond calyx tips, barely longer than keel, with sides reflexed 
about 1.5 mm. wide in middle. Wings arched almost to a half circle, 
very obliquely oblanceolate, a little longer than keel. Keel with base 
arched and tip incurved to more than erect and abruptly, barely acute. 
Calyx rather long-campanulate, about 3 mm. long and 2 mm. high, dark- 
hairy with appressed pubescence, scarcely at all flattened laterally, 
teeth arched and triangular, about 4-4 as long as tube. Bracts tri- 
angular, 2-3 mm. long, much longer than the very short pedicels. Ped- 
uncles subseapiform, 8-10 cm. long, ascending, much, longer than leaves. 
Leaves 5-7 cm. long, with petioles over half the whole, slender. Leaf- 
lets 5-7 pairs, about 7 mm. long and 3 mm. wide, sessile, thick, oblong 
obovate, rounded, somewhat silvery with appressed hairs. Stipules 
broadly ovate to deltoid, acute, about 5 mm. long, hyaline, adnate, large 
for the plant, either imbricated or the internodes very short. Root 
erect and much branched at tip with short and woody stems, 2-15 cm. 
long, then again branched as much and as long and stems rather as- 
cending, forming a rather open mat, the habit being much that of A. 
calycosus. This looks like a diminutive A. Missouriensis but is of an- 
other group. First collected by Dr. Palmer in 1869 and referred to A. 
tephrodes, then by Dr. Havard at Fort Wingate, Marsh, and: later by 
Lemmon at Laguna, New Mexico. Lower Temperate life zone, on dry 
benches. 
135. Astragalus lotiflorus Hook. Fl. Bor. Am. 1 152 (1834). Phaca 
T. & G.. Pods mostly straight, both sutures convex but the dorsal 
more so, rarely when pod is arcuate the yentral suture is concave, 
laterally compressed and cross section triquetrous or deltoid-cordate 
when it is shallow-sulcate dorsally, flat and triangular-acute at tip. 
closely appressed and rather long-hairy, ascending to reflexed. Flow- 
ers mostly reflexed, about 5-7 mm. long, almost sessile, sometimes 
cleistogamous, about 10. Banner oval to round, abruptly erect at end 
of calyx teeth or nearly so, notched, about 5 mm. long, nearly a half 
longer than keel, often purple-veined above, sides reflexed. Wings 
narrowly-oblong, obtuse, nearly 2 mm. wide, somewhat longer than 
keel. Keel straight hardly surpassing the calyx tips, arched to erect 
at the truncate end, 2 mm. high, dull-purple. Braets subulate to tri- 
angular, hairy, about equaling the calyx tube. Calyx tube 2-3 mm. 
long, appressed-long-hairy. Peduncles slender, often very short, sub- 
scapiform. Leaves 5-15 cm. long, the petiole about half the whole. 
Leaflets about 5 pairs, elliptical to oblong and acutish at both ends, 
5-15 mm. long, rather distant, nearly smooth above. Stipules ovate, 
acuminate rarely overlapping. Stems very short but slender and 
branched, diffuse, rarely more than 2-5 cm. long, forming small mats 
on the ground and very leafy. Whole plants variably silky-pubescent 
with hairs mostly appressed, sometimes spreading on the pods. Com- 
mon on the Plains from the Saskatchewan to Texas but only on the 
Atlantic slope, blooming in spring. The var. brachypus Gray. (A. 
elatiocarpus Sheldon and A. ammolotus Greene) has flowers sessile 
*preading pubescence. This is rather common at thenorth but hardly 
among the leaves and mostly cleistogamous, and arcuate pods with 
deserves varietal rank as it grows with the other forms and often has 
sessile and long-peduncled flowers on the same plant. The var. Rever- 
choni (Gray) Jones which is A. cretaceus Buckley, A. lotiflorus var. 
Nebraskensis Bates, and A. Batesii Nelson has long peduncles and nar- 
