ROSACEA. (ROSE FAMILY.) , ay 
as the corolla; ovary pubescent; legume smooth, falcate or hooked. (Inga 
Guadalupensis, Desv.) — South Florida. — Leaflets 1/ long, deep green. Legume 
2'—4' long. Flowers yellowish. 
48. DESMANTHUS, Willd. 
Flowers polygamous. Calyx 5-toothed. Corolla of 5 oblong-spatulate pet- 
als, or tubular and 5-cleft. Stamens 5-10. Filaments of the lower flowers 
filiform, sterile. Legume linear, continuous, 2-valved. — Herbs or shrubs, with 
abruptly bipinnate leaves, and heads or spikes of white flowers borne on axillary 
peduncles. Leaves sensitive. : 
1. D. depressus, Humb. & Bonpl. Stems slender, prostrate, sprinkled 
with hairs, shrubby at the base; pinn 2 pairs; leaflets oblong-linear, very ob- 
tuse, oblique and almost truncate at the base, hairy on the margins ; peduncles 
2 — 4-flowered, the two upper flowers (sometimes all) perfect; stamens 10; leg- 
ume linear, many-seeded ; seeds angular, compressed. — South Florida. — Stems 
1°-2°long. Legume l'- 13! long. 
2. D. diffusus, Willd. Stem somewhat shrubby, prostrate; pinnae 4-5 
pairs; spikes few-flowered, capitate ; flowers pentandrous; legume narrowly 
linear. — Key West. — Legume 2! long. 
3. D. virgatus, Willd. Stem erect, rather rigid, smoothish, angled ; 
pinnz 1-7-pairs; leaflets numerous, oblong-linear ; a rather large ovate gland 
below the lowest pinne ; heads few-flowered ; stamens 10; legume straight, lin- 
ear, 10-30-seeded. (D. strictus, Bertol.) — South Florida. — Stem 1° - 2° high. 
49. NEPTUNIA, Lour. - 
Sterile filaments flat, membranaceous or petallike. Legume oblong, few- 
seeded ; otherwise like Desmanthus. 
l. N. lutea, Benth. Stems ascending, rough with short rigid hairs; pinnze 
4-5 pairs ; leaflets numerous, linear-oblong, mucronate, fringed on the margins, 
veiny beneath; stipules ovate, acuminate; peduncles longer than the leaves, 
rough, minutely bracted ; heads oval or oblong, many-flowered, nodding ; petals 
distinct ; sterile filaments 8-10, yellow, spatulate-linear ; fertile ones 10, white ; 
legume 5 - 8-seeded. — Damp soil near the coast, Key West to Alabama, and 
westward. June. i — Stems 2/-3/ long. 2m e 
ORDER 48. ROSACEZ. (Rose Fatty.) 
. . Herbs, shrubs, or trees, with alternate stipulate leaves, and regular 
flowers. — Calyx of 3-8 (mostly 5) more or less united sepals, and often 
With as many bracts. Petals as many (rarely none), inserted with the — 
few or numerous distinct stamens on the edge of the disk which lines the — — — 
.. tube of the calyx, mostly imbricated in the bud. Ovaries i: 
