_ Jauke, 
. DIADELPHIA. DECANDRIA. 99 
Suffruticose or more commonly herbaceous, erect or 
diffuse; leaves pinnate; stipules distinct from or connected 
with the petiole; petioles in some species rigidly persist- 
ent, or spinescent; flowers glomerate or spiked, axillary 
and terminal, purple, ochroleucous, or yellow. 
Species. 1. A. carolinianus. 2. canadensis. Both these 
species are unusually tall with dense spikes of ochroleu- 
cous flowers. 3. vlaber. Rather low, and caulescent; leaf: 
lets about 10 or 11 pair), oblong-elliptic, obtuse or emar- 
ginate, every where smooth; pedunculate loose spikes lon: 
ger than the leaves; flowers whitish, pedicellate; legumes 
distant, smooth, spreading, depressed and incurved: HaB. 
In the sandy forests of Georgia and South Carolina. Seldom 
more than a foot high; fruiting peduncles much longer 
than the leaves; legume partly bilocular and somewhat 
rugose. 4. alpinus. 5. rus. 
6. * missouriensis. Nearly stemless, partly diffuse; sti- 
pules cauline, ovate; leaflets small, obovate-elliptic, canes- 
cently villous; pedtncles a little longer than the leaves; 
spikes capitate; calix blackish and strigose; legume oblong, 
acuminate, nearly smooth and 1 gy Weis tae f 
On hills throughout Upper Louisiana; flowering in May. 
ry€ it species with deep violet purple flowers, (there 
tobe a white flowered variety occasionally to met with): 
scarcely 6 inches high, pubescence whitish and somewhat 
shining; leaflets 5 to 10 pair, about the size of Thyme, 
leaves obtuse; capitate spike about an inch long; flowers 
10 to 12, large for the size of the plant; braetes ovate, 
. shorter than the calix; carina obtuse; legume black and 
coriaceous, subunilocular, lower suture inflected. Ozxytro+ 
pis argentata. PH. 2. p. 473. but neither the same plant, 
(which I have examined in Pallas’s herbarium) nor the 
same genus. + as 
7. hypoglottis. On the low and level plains of the Mis- 
souri, commencing about the confluence of the river 
and continuing upwards probably to the Mountains; 
in joes not sensibly differ in any par- 
lant. 8. Luxmanni. Has. 
oS 
_On the hills of the Missouri, forming a luxuriant and nu- 
oa : ge 
tritive herbage for herbiv animals, and would proba- 
ee bly be worth cultivating upon light and otherwise unpro- 
_ ductive soils. Oss. Perennial;. stems diffuse and adscen- 
dent, grooved; bractes cauiline, membranaceous and acu- 
minate; leaflets a little pubescé » oblong, 6 to 8 pair; pe- 
and terminal, much jonger 
