J$ 
88 Debiles. 
26. Astragalus polaris Benth. in Hook. f. Arct. Pl. 323 (1861). 
This is also Tr. Linn, Soc. 330. Pods about 2 cm. wide and high, 
speckled, obtuse at both. ends, seemingly much obcompressed, with 
dorsal. suture ä little arched and the ventral about straight when 
mature but convex when young and with tip declined, ascending, 
black-hairy, sessile or with a minute and jointed stipe splitting the 
` calyx. Calyx rather long-campanulate, 4 mm. long, the teeth about half 
as long. Flowers 1-3, the blades of petals 3-4 times as lone as 
calyx, the k&el.shorter than the rest. Peduncles about 1 dm. long 
in fruit, axillary. Leaves about 1 cm: long, with a petiole about 1 cm. 
long. Leaflets 5-7 pairs, ovate to oblong or elliptical, about 2 cm. 
long and 7 mm, wide, retuse to deeply notched short-petiolulate, dis- 
tant. Stems delicate and very slender, about a foot long, diffuse. 
Stipules hyaline, about 7 mm. long. Internodes about 2-3 cm. long. 
Plants smooth to sparingly pubescent. This imperfectly known species 
from Cape Vancouver grows in the tundra. Arctic. 
À 27. Astragalus debilis. (Nutt.) Gray Proc. Phil. Acad. 60 (1863). 
Phaca debilis Nutt in T. € G. Fl, 1 345 (1838). A. Bodini Sheldon. 
Homalobus Rydberg. Pods half-oval, about 5-8 mm. long, the ventral 
‘‘suture about straight or a little convex toward the end, about 3-4 mm 
high, rather laterally flattened, the cross section being broadly ovate 
or rarely a little cordate by being a trifle sulcate dorsally, minutely 
stipitate, apiculate at both ends, widely spréading or reflexed. Flow- 
ers in the type in dense heads on peduncles longer than the leaves, 
shortly-spicate in fruit, light-purple to purple-tipped, many, spreading. 
about 1 cm long, rather narrow. Banner ‘oval to oblong-oval, abort 
5-7 mm. long, ascending abruptly ‘to 45 degrees at calyx tips, with 
sides reflexed below and about one half mm. wide, not at the notched 
tip; groove reduced to a mere line above but formino a half circle 
and about 1 mm. wide below keel tip; white spot comes within 1 mm. 
of tip, is obovate to fan-shaped and lacerate Above with fine purple 
lines, purple veins run through the spot and unite in twos below but 
do not form a ring, spot is about 2 mm. wide and 3 mm. long. the 
whole banner is purple-veined. Wings about 3 mm. long, sometimes 
: 2 mm. wide, obliquely oblong, with narrowed but obtuse tip, loft one 
: spreading, concave to keel and nearly horizontal with concave side 
down toward the tip and right hand one incurved over keel, nearly 
2 mm. longer than keel and as much shorter than banner, purple- 
veined. Keel much inflated near the calyx tips but flat beyond and a 
half longer, incurved about 100 degrees and very obtuse, dark-pur- 
ple. Calyx tube about 3 mm. long, almost cylindrical, laterally com- 
pressed below and obcompressed near tip, the lower side straight, 
the upper arched, neither oblique nor unequally inserted. Teeth equal, 
subulate and 2 mm. long. Pedicels short and stout, black. 1 mm, long 
.in flower, often twice the calyx and inclined to be twisted in fruit. 
Bracts, about 3 mm long. Peduncles 2-12 em. long. Upper leaves 
‘slender, narrow and sessile, rather appressed, rarely 1 dm. long. green, 
a little fleshy when fresh but drying very thin. Leaflets 6-8 p^irs, 
oval to lanceolate mostly acute, 4-15 mm. long, about 6-8 mm. wide, 
‘> ascending. rarely contiguous, Stipules triangular 4-10 mm. long, most'v 
Yd 
slaai 
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.reflexed, green. Stems weak, slender, delicate, 1-3 ft. long, many, 
"prostrate when. not supported by grass forming masses 2-4 feet 
wide from woódy crown. Pubescence of whole plant sparsely ashy 
to almost none. Grows in moist meadows where the soil is a little 
Alkaline. Middle Temperate life zone. Blooms in late summer. This 
18. a plant of.wide distribution but rarely seen. North Park Colorado 
t, Cummins, and Centennial Valley Wyo. Nelson; Loa, Utah 
"Ward and Jones, British Columbia Macoun, North Platte Neb, Ryd- 
berg distributed as A. giganteus; Stevenson and Laramie Wyo. by 
_ Cleburn m 1875. A form from Salubria, Idaho by myself though only 
