268 PAPILIONACEAE. (Von. Il. 
1. Crotalaria sagittalis L. Rattle-box. (Fig. 2055.) 
Crotalaria sagittalis L. Sp. Pl. 714. 1753. 
Annual, or perennial (?), erect or decum- 
bent, villous-pubescent, branching, rarely 
over 1° high, Leaves simple, oval, lanceo- 
late or oblong, acute or obtusish at the apex, 
rounded at the base, entire, nearly sessile, 1/- 
214’ long, 2//-8’’ wide; stipules persistent 
and united, decurrent on the stem, sagittate 
above, or the lower wanting; peduncles 1/— 
4’ long, 2-4-flowered; pedicels 1//-3/’ long; 
flowers yellow, 4’’-6’’ long, the corolla about 
equalling the calyx; pod oblong, glabrous, 
nearly sessile in the calyx, 1/ long, 4//-5’’ in 
thickness, much inflated, nearly black at 
maturity; seeds shining. 
In dry, open places, northern New England 
to Florida, west to Minnesota, Arkansas and 
Mexico, June-Sept. , 
2. Crotalaria rotundifolia (Walt.) Poir. Prostrate Rattle-box. (Fig. 2056.) 
Anonymos rotundifolia Walt. Fl. Car. 181. 1788. 
Crotalaria sagittalis var. ovalis Michx. FI. Bor. 
Am, 2:55. 1803. 
Crotalaria rotundifolia Poir. in Lam. Encycl. 
Suppl. 2: 402. 1811. 
Crotalaria ovalis Pursh, F1. Am. Sept. 469. 1814. 
Perennial by a deep somewhat woody root, 
the slender branches usually prostrate. Pu- 
bescence mostly dense, brownish, appressed ; 
leaves broadly oblong or oval, obtuse at both 
‘ends, or narrowed at the base, paler beneath 
than above, %4/-1%4’ long; petioles 1//-2/’ 
long; upper stipules usually distinctly sagit- 
tate, the lower much smaller, or often want- 
ing; peduncles lateral, 2’-6’ long, slender, 2— 
6-flowered; flowers usually distant, yellow, 
6’’-8’’ long; corolla little longer than the 
calyx; pod nearly as in the preceding species. 
Mostly in dry soil, southern Virginia to Flor- 
ida and Mississippi. May-Aug. 
6. LUPINUS L, Sp. Pl. 721. 1753. 
Herbs, rarely shrubs, with alternate digitately-compound 7-15-foliolate (rarely simple or 
3-5-foliolate) leaves, and showy flowers in terminal spikes or racemes. Calyx deeply toothed 
and 2-lipped. Standard orbicular or ovate, its margins reflexed; wings oblong or obovate; keel 
incuryed, sometimes beaked. Stamens monadelphous, their sheath not cleft; anthers of two 
forms as in Crofa/aria. Ovary sessile; style incurved. Pod flattened, generally constricted 
between the seeds, the valves coriaceous. [Latin name of some pulse, from /upus, wolf. ] 
Over 100 species, mainly natives of temperate and warm regions. About 70 occur in North 
America, mainly on the western side of the continent. 
Perennial; flowers 7'’-9'' long; leaflets oblanceolate. 
Coro! blue, pink or white, the standard not spotted. 
Corolla blue, with a conspicuous dark spot on the standard. 
Perennial; flowers 4'’-6'’ long; leaflets oblong-linear. 
Annual; leaflets mainly oblong; pod 2-seeded. 
L. perennis. 
L. Plattensis. 
. L. argenteus. 
. L. pusillus. 
ON 
