FABACEAE 713 
blade of the wing- petals auricled at the base: blades of the keel-petals rather — 
dil curved. Pod flat, scimitar-shaped, slightly margined, the beak eccen- 
trie.—Few species, mostly tropical. 
rte several- flowered: blades of the leaflets of a rhombic type: o 1-1.5 cm 
minimus. 
ree m aad blades of the leaflets of an ovate type: pod 
2.5— c 2. D. Swartz. 
1. D. minimus (L.) Medic. Stem sapere retrorse-pubescent: leaflets 0.8-4 
em. long; blades of the lateral ones semirhombie, that of the uaa one 
i nt: 
rhombie-orbicular, sparin ubesce 
calyx-lobes narrowly lanceolate, longer than 
he t stan 5—6 blad 
bicular-cuneate: m of the wings 
acute: LS od 10- 2 long. [Rhynchosia 
minima DC. ].— qoe W^ ds of ham- 
mocks, qoem cha Fla and S. 
C.— —(W. I. Mez., C. A., 8.4.) Spr fall 
or all year S. 
2. D. Swartzii Vows Stem finely retrorse- 
lobes broadly E d shorter than the 
n o A . lon ng: T 
lon [Eh Dea carib C.]— 
prc S pen. Fla. and the Ec I.)—AII year. 
43. LEUCOPTERUM Small. Herbaceous vines. Leaves long-petioled: 
leaflets 3: dan rather broad, thiekish. Flowers few, in peduncled axillary 
racem Calyx 2-lipped, not acerescent, the lobes of the upper lip well be 
the middle lobe sj the lower lip much longer than the lateral ones. Corol 
yellow: blade of the standard broadened 
upward: blade of the wing petals with a 
rounded lobe at the base: blade of the keel 
petals rather broad, slightly eurved: ovary 
short-stipitate: style elongate, hairy and 
glandular near T base, much swollen near 
the apex. Pod broad, nearly equilateral, the 
beak eccentric and oblique. One species. 
parvifolium (DC.) Small Ste 
em 
ix | caisson leaflets 1.5-3.5 em. long; 
preg e to E or some- 
calyx-lo 
1 nceol E d 
suborbieular: ds of the wings obtuse: 
a 13-17 mm. long. [Rhynchosia parvifolius DC. Dolicholus eee 
. Vail|—Pinelands,, S pen. Fla. and the Keys.—(W. I.)—Spr.—fall or all year 
44. RHYNCHOSIA "nagd Perennial herbs with erect or climbing stems. 
Leaves long-petioled: leaflets 3 or 1; blades broad, often wider than long. 
Flowers in short-stalked ie congested racemes. Calyx 2-lipped, accres- 
cent: lobes of the upper lip well-united: middle lobe of the lower lip longer 
