Along rivers, and on mountains ? Canada! as far north aslat. 58°, to Louisiana
! and west to the Oregon. June-Aug.— Stem 1-3 feet high, robust,
somewhat branched. Leaflets J to l i inch long, usually glabrous aoove,
sparsely pubescent beneath. Spikes 1-4 inches in length. Flowers about 8
lines long. Calyx more or less pubescent, often villous; the teeth subulate,
less than one-third the length of the calyx. Legumes of an inch long, abruptly
pointed, forming a compact head or spike, 10-15-seeded. Seeds reni-
form, compressed.—There can be little doubt that A. Canadensis and A.Ca-
rolinianus are one species. The leaflets are variable from 21 to 29 ; but we
have neverfound so many as 41, the number assigned by LinnteustoA. Caro-
linianus. In our specimens from the State of New-York. and from Quebec,
the teeth of the calyx are scarcely one-fifth the length of the calyx; but in all
others they are nearly one-third its length: in other respects there is no difference.
32. A. spicatus (Nutt.! mss.): “ pubescent, erect; leaflets about 10 pairs,
elliptic-oblong, obtuse; stipules ovate, acuminate; peduncles rather longer
than the. leaves; spikes oblong; bracts ovate, about the length of the pedicels
; flowers reflexed ; teeth of the calyx short, the upper ones widest; legumes
cylindrical-oblong, terete, pubescent, with a short subulate point.
“ Plains, near streams, in the Rocky Mountain range.—-Nearly related to
A. Canadensis ; but differs in the legumes and bracts.” Nuttall.
33. A. tristis (Nutt.! mss.): “ somewhat pubescent, dwarf and decumbent;
leaflets'8-10 pairs, obovate-oblong, glabrous above; stipules ovate-
lanceolate; peduncles stout, shorter than the leaves; spikes oblong, dense,
the flowers reflexed ; bracts oblong-lanceolate, nearly as long as the blackish
villous calyx; teeth of the calyx rather short, triangular; ovary villous,
straight.
“ Rocky Mountains, towards the sources of the Platte,||rAllied to the two
preceding species, particularly to the latter; but a dwarfish plant,” Nuttall.
34. A. leucophyllus: canescent (the young leaves silvery), erect, tall;
leaflets 14-18 pairs, oblong-linear, rather acute; stipules (small), subulate;
peduncles twice as long as the leaves; spikes oblong, dense, the flowers erect-
spreading ; bracts subulate, a little longer than the pedicels ; teeth of the calyx
subulate, about one-third the length of the tube.
California, Douglas !—Whole plant whitish, with a very minute appressed
pubescen’ce. Leaflets approximated, about f of an inch long, and 1-2 lines
wide. Stipules 2-3 lines long, broad at the base. Spikes about 2 inches in
length. Flowers as large as those of A. Canadensis. Vexillum oblong, a
little exceeding the wings. Ovary glabrous. Legumes not seen.
35. A. Purshii (Dougl.) : very hirsute; stems short, diffuse; leaflets 6-8
pairs, oblong ; stipules lanceolate, acuminate ; peduncles half as long as the
leaves; flowers in loose heads, spreading; bracts linear-lanceolate, twice as
long as the pedicels; calyx elongated, membranaceous; wings narrow, nearly
as long as the Vexillum; ovary subsessile, linear, very hirsute. Do ok. jl.
Bor.-Am. 1. p. 152.
Low hills of the Spokan River, Oregon, Douglas. June.—Whole
plant very woolly-hirsute. Flowers yellow, 1£ inch long. Teeth of the calyx
subulate, equal, half as long as the tube. Vexillum obovate: keel purple
at the tip. Ripe legumes not known. Hook. 36
36. A. glaber (Michx.) : stem nearly glabrous, erect; leaves few, distant;
leaflets 15-23, linear-oblong and linear-lanceolate, somewhat hairy beneath;
stipules almost none; spikes elongated, the flowers distant; bracts subulate,
about as Ion» as the pedicels; calyx tubular-campanulate, the teeth broad and
very short; legumes oblong, acute at each end, compressed contrary to the
A stragalus. LEGUMINOS^S. 337
sutures, coriaceous, 2-celled, glabrous and reticulated.—Michx. ! fi. 2. p. 66;
Nutt. gen. 2. p. 99; Ell. sic. 2. p. 227; DC. prodr. 2. p. 293.
Sandy pine woods, North Carolina! to Florida!—Stem about 2 feet high.
Leaflets 6-8 lines long, the lower ones obtuse or refuse. Stipules extremely
minute, deciduous. Peduncles often twice the length of the leaves. Flowers
spreading or reflexed, whitish, 7-8 lines long, slender. Calyx pubescent,
about one-third the length of the corolla. Legume l i inch long, somewhat
tumid.—Perhaps not properly referred to this section; as we are not certain
that the flowers are ochroleucous. The subdivision Dissitijlori, of De
Candolle’s first section, is the Only one to which it has much resemblance ;
and from this it is excluded by its curved legumes.
**** Stipules not cohering: legumes stipitate: root perennial.
37. A. racemosus (Pursh) : erect or assurgent, somewhat pubescent; leaflets
about 10 pairs, elliptical-oblong; peduncles longer than the leaves; flowers
in dense spikes, nodding and somewhat secund ; calyx oblong; the teeth
subulate, more than half the length of the tube; legumes pendulous, elliptical
oblong, triquetrous, acute at each end, glabrous, 1-celled, the lower suture
deeply inflexed.—Pursh, Jl. 2. p. 740; DC. prodr. 2. p. 294. A. galegoides,
Nutt.! gen. 2. p. 100, not of Linn.
Saline soils, from the banks of the White River to the Rocky Mountains,
Nuttall. On the Platte, Dr. James !—About 2 feet high, minutely pubescent.
Leaflets 6-8 lines long, rather acute. Stipules lanceolate, membranaceous.
Spikes racemose, many-flowered: pedicels about 2 lines long. Calyx
pubescent. Legume (including the stipe) about 15 lines long and 3 lines
wide, the stipe scarcely one-third the length of the fertile portion.—A. gale-
giformis, Linn, differs in being glabrous ; in the broader and much shorter
teeth of the calyx; the 2-celled smaller and more ventricose legume; and in
the much longer stipe.
38. A. Drummondii (Dougl.): tall and erect; stem, peduncles, and leaves
clothed with soft hairs; leaflets 12-15 pairs, linear-oblong and oblong, narrowed
at the base; stipules ovate, much acuminated ; peduncles longer than
the leaves ; spikes elongated, loose; bracts subulate, longer than the pedicels;
flowers pendulous and somewhat secund; teeth of the calyx subulate, about
half the length of the tube; legumes recurved, cylindrical, glabrous, a little
falcate, partly 2-celled; the upper suture obtuse, the lower deeply inflexed.—
Hook. jl. Bor.-Am. 1. p. 153, t. 57.
Hudson’s Bay, and on the Saskatchawan, Douglas ! Grassy places by
streams, near the sources of the Platte, Nuttall 1—Stem 1-2 feet high, rather
robust. Leaflets $-1 inch long. Raceme 3-4 inches long. Legumes cartilaginous,
when mature 2 inches in length ; the stipe slender and about one-
fifth the length of the pod.—Very near the preceding species, but quite
distinct.
§ 3. Stipules more or less cohering with the petiole ; thepetiole not indurated
andspinose.—Podochreati, DC.
39. A. mollissimus (Torr.): silky-villous, nearly stemless, erect; leaflets
11-14 pairs, ovate-oblong; stipules triangular-ovate, partly adhering to the
petiole; peduncles mostly longer than the leaves ; flowers in long racemose
spikes, somewhat erect; calyx cylindrical; the teeth subulate, half the length
of the tube ; legumes cylindrical-oblong, coriaceous, curved, glabrous, 2-celled,
moderately grooved along each suture.— Torr. ! in ann. lyc. New- York
2. p. 178.
Sources of the Platte, near the Rocky Mountains, Dr. James! Nuttall
!—Plant about one foot high ; the pubescence of a yellowish color. Leaf-
43