Ovary linear, glabrous. Legume unknown.—Perhaps a species of Homalo-
***. Stvpules neither cohering with each other nor with the petiole: flowers purple in
dense spikes or heads: vexillum narrow, elongated: root perennial
f Legume straight.
; ne^ ly g,abrou;5 ; stem elongated, ascending or
Snu s f tS,7-12 Pairs> oblong; stipules ovate, acuminate, membranaceous
, peduncles longer than the leaves ; spikes objong, ovate or subglobose •
flowers erect; vexillum about one-third longer than the wings; fegumes
erect, oblong, somewhat triangular, sulcate on the back, pointed with the 2.y’287;eS.7j JPS? 1T u 9 PalL * 3f * * DC'
Plains of the Assinaboin and Saskatchawan Rivers ! and west to theRockv
Mountains. About a foot high. Leaflets nearly an inch long, 4-5 lines wid<T
obtuse, pale green, slightly hairy on both surfaces; the ha ns fixed by the
TW t6l Stlp,utes Part’ally cohering. Spike 1-2 inches long.
Bracts lanceolate two-thirds the length of the calyx. Flowers as large as in A.
Canadensis, bright purple. Calyx hirsute, the hairs partly black; teeth subu-
late, half ao long as the tube.—Our specimens of this species from Hooker,
fa Aeflo^e7 bracts°Pean P ^ “ the largerand partiy cohering stipules, and
6. A.Mortom (Nutt.): nearly glabrous, erect; stipules broad and membranaceous:
leaflets 6-8 pairs, oblong, obtuse; peduncles as long as the leaves:
t n l V t 11 denSr f CetD0S? spdfes’ nodding; calyx villous; teeth triangular-
]p h U ^ d i much shorter than the tube; ovary villous.-Ah«. / in joUr. ar.ad.
About the sources and upper branches of the Missiouri, Mr. Wueth ! fsne-
cimens frona Aw«a«.)—Plant a foot or more in height: hairs of the pnbes-
cence fixed by the middle. Leaflets distant, nearly an inch long, and 4 lines
wide. Spike about 15-flowered ; the flowers nearly as large as in A. Hvpo-
glottis, purple?—Mr Nuttall thinks that the flowers are ochroleucou«but
tney seem to be purplish.
7. A. striatus (Nutt.! mss.) : “ decumbent, robust, strigosely pubescent with
Wflpt<f7dq ^ P1rtlCUari ( ln the y°ung state ; stem and peduncles sulcate;
leaflets 7 9 pairs, linear-oblong, obtuse; stipules triangular-ovate, acuminate
membranaceous; spikes oblong, short, dense; bracts nearly as long as the
J f f f e lanceolate‘°yate) acuminate ; calyx clothed with short blackish hairs
the teeth nearly as long as the tube. A. Laxmanni, Nutt. gen. 2. p. 99 not
A. adsurgens/?. robustior, Hook.jl. Bor.-Am. 1. p. 149. F 5
Plains and hills of the Platte and Missouri. May.—Differs from A
NuttaliaS m ' S m°re r° bUSt aDd pubescem’ and the flowers ‘wice as large.’»
! “ df cumbent, nearly glabrous; stem angular;
leaflets 7 10 pairs, linear-oblong, obtuse; stipules linear-lanceolate; pedun-
cles longer than the haves; spikes capitate; bracts oblong, shorter than the
villous calyx; teeth of the calyx subulate, as long as the tube; legumes ob-
thegcatlyxUetr°US’ blcarlnate> clothed with long white hairs, a little longer than
“ Rocky Mountains, near the sources of the Platte.—Plant about 4 inches
high. Leaflets one-third of an inch long, slightly emarginate. Heads about
an inch m diameter, compact many-flowered. Flowers pale dull purple
1 eeth ol the calyx nearly equal. Legume about 4 lines long.
9. A. L a b ra d o n c u s (DC.): procumbent, minutely pubescent; leaflets
ovate ; spikes pedunculate ; legumes secund, straight, acuminate at each end,
pendulous. DC. prodr. 2. p. 287 ; Hook.jl.. Bor.-Am. 1. p. 150. A. secun-
dus, Michx.! fl. 2. p. 66; Pursh,jl. 2.p. 473.
Northern parts of Canada, Michciux ! Labrador, Colmaster (ex Pursh).
Flowers purple. Legume about § of an inch long, elothed with blackish hairs,
somewhat stipitate, half 2-celled; cells 3-4-seeded.
10. A. Missouriensis (Nutt.): whole plant clothed with a short white pubescence;
stems numerous, in a spreading tuft; stipules ovate; leaflets 5-10
pairs, elliptical and obovate-elliptical; peduncles a little longer than the
leaves ; spikes capitate, few-flowered ; calyx pilose, with a mixture of blackish
hairs; teeth one-third the length of the cylindrical tube; bracts ovate, much
shorter than the calyx; legume oblong, somewhat compressed, hirsute when
young, but at length somewhat glabrous, coriaceous, the lower suture a little
mtroflexed.—Nutt.! gen. 2. p. 99; DC. prodr. 2. p. 287. Oxytropis argen-
tata, Pursh, fl. 2. p. 473; Richards. 1. c. ? not of Pers. ?
0. leaflets obovate-orbicular.
On the Missouri. /?. In the Rocky Mountains, Nuttall ! May.—Root long,
•descending deeply. Stems 2-4 inches long. Leaflets 3-4 lines long, sometimes
rather acute. Heads 9-12-flowered. large for the size of the plant, deep
violet or sometimes nearly white. Legume about an inch long, abruptly acuminate,
not stipitate, many-seeded.
11. A. argophyllus (Nutt, mss.): “ villous with long white silky hairs,
csespitose; stems short and decumbent; stipules lanceolate, acuminate, membranaceous;
leaflets 7-8 pairs, lanceolate-ovate and acute, or obovate and obtuse;
peduncles shorter than the leaves; racemes short,loose, somewhat capitate,
3-8-flowered ; bracts long and subulate; flowers distinctly pedicellate;
calyx tubular ; teeth subulate, about one-third the length of the tube; legume
hirsute, oblong, with a broad curved point, transversely wrinkled, the lower
suture slightly introflexed. A. melanocarpus, Richards, app. Frankl. iourn.
e d. 2. p. 28 ?; Hook. fl. Bor.-Am. 1. p. 451 ?”
Vallies of the Rocky Mountains, near the sources of the Platte, Nuttall!
—Much more villous than the preceding species, and the flowers of a brighter
purple. Wings much longer than the keel. Legume nearly glabrous when
ripe.—This and the preceding species have the lower suture of the legume so
little introflexed, that they might almost be referred to Phaca.
12. A. Shortianus (Nutt, mss.): ‘f stemless, canescent with appressed shining
hairs; leaflets 5-7 pairs, roundish-elliptical or ovate, very obtuse; stipules
ovate, obtuse; peduncles shorter than the leaves; raceme oblong; calyx
clothed with white hairs, with rather long subulate teeth ; legume large and
turgid, cymbiform, with a short curved point, black and t: ansversely wrinkled.
“ Rocky Mountains, towards the plains of the Oregon.—Almost entirely
silvery ■. bite. Leaflets nearly as broad as long, twice as large as in the preceding
species, which it nearly resembles. Flowers ochroleucous ?” Nuttall.
11 Te< jumes ovate, thick and fleshy.
13. A. caryocarpus (Ker): stems numerous, prostrate orassurgent, somewhat
pubescent with appressed hairs; stipules ovate, acute; leaflets 8-12
pairs, elliptical; peduncles about the length of the leaves; raceme rather
loose, short; bracts about twice the length of the pedicels ; calyx thinly pilose
with darkish hairs, cylindrical-obloug; legume thick and fleshy, ovate
rather acute, somewhat compressed, glabrous.—Ker, bot.reg.t. 176; DC
prodr. 2. p. 287 ; Hook. jl. Bor.-Am. 1. p. 150. A. carnosus, Nutt. gen. 2.
P- 100. A. succulentui, Richards, app. Frankl. iourn. ed. 2. p. 29. Lindl.
bot. reg. t. 1321 (fide Hook.)
Plains of the Missouri and Platte; on the Saskatchawan, Drummond, &c.