218 LEGUBIINOSAS. 



with petaloid, long-exserted filaments ; legume long-stipitate, deflexed, 5-8-seeded. — Humb. 

 PI. JEquin. t. 16. — Desmanthus lacustris and natans, W. D. stolonifer, DC. — Moating stem 

 often 8'" thick, spongy, with slender, emerging branchlets; flowers yellow; legume 8'"- 12'" 

 long, 4'" broad : stalk 4"' long. — Hab. Jamaica!, Pd., in ponds, S. Elizabeth ; [Texas; all 

 tropical countries, e.g. Guayaquil!, Para.!, Nubia!, East Indies!]. 



208. N. plena, Benth. Slender, suffrutescent, glabrescent ; pinna; 3-5-jugal : petiole 

 bearing a gland between the lowest pair : leaflets 12-40-jugal, sensitive, linear-oblong ; 

 flower-heads ovoid : inferior flowers sterile, with petaloid, long-exserted filaments ; legume 

 stipitale, at length deflexed, 5-20-seeded. — Mill. Ic. t. 182./. 2. — Mimosa, L. N. surinam- 

 ensis, Steud. Desmanthus punctatus, W. D. comosus, Rich. Cub. — Sterile filaments nume- 

 rous, 4'" long; legume 12'"-18'" long, 4'"-5"' broad : stalk 2"'-3'" long.— Hab. Jamaica!, 

 Wullschl.; Antigua!, Nichols., Wullschl. ; [Mexico I to Brazil! and Paraguay!, Galapagos!]. 



209. N. pubescens, Benth. Slender, suffrutescent, puberulous ; piunse 2-4-jugal : 

 petiole eglandular : leaflets 12-30-jugal, linear, ciliate; flower-heads globose ; legume shortly 

 stipitate, 4-6-secded. — Sterile flowers less numerous, or wanting ; legume 8"'-6 " long, 4'"- 

 3'" broad : stalk 1'" long. — Hab. Dominica !, Imr., in savannahs ; [Haiti !, Costarica!, Peru!]. 



81. DESMANTHUS, W. 



Calyx 5-dentate. Petals subdistinct. Stamens 10 (-5) : anthers ovoid-oblong, eglaudular. 

 Legume linear, flat-compressed, tumid at the seeds, membranaceous, bivalved. — Suffrutescent 

 herbs ; leaves bipinnate, sensitive ; stipules setaceous ; flower-heads peduncled. 



210. D. virgatus, W. Glabrescent; stem virgate, angular; pinnae 2-4(l-7)-jugal : 

 petiole bearing an ovate-oblong gland between the lowest pair: leaflets 10-25-jugal, linear 

 or oblong-linear ; legume straightish, 20-30(-10)-seeded : seeds oval. — Jacq. H. find. t. 80. 

 — Mimosa, L. — ^4 '-6' high ; flowers white ; legume 3"-2" long, 2'" broad. 



a. Leaflets linear, 2"'-3 w long. 



j8. strictus, Bert. Leaflets oblong-linear, 4"' long. 



Hab. Jamaica!, all collectors, a common weed; Nevis!, Antigua!, Wullschl.; Dominica!, 

 Imr. ; S. Vincent !, Guild. (/3) ; Barbadoes ; [Florida !, Lower California !, Mexico ! to Buenos 

 Ayres !, East Indies !]. 



211. D. depressus, Kth. Glabrescent; stem prostrate, striate; pinnae 5-2 (-l)-jugal: 

 petiole bearing an orbicular gland between the lowest pair, or eglandular: leaflets 10-20- 

 jugal, linear; legume straightish, 8-20-seeded: seeds oval. — Kth. Mimos. t. 35. — D. prato- 

 rnm, Macf. — More delicate than the preceding; stem branched, 8"-12" long; leaflets %'" 

 long ; flowers white ; legume l"-2" long, 2'" broad. — Hab. Jamaica !, Macf., in pastures ; 

 Antigua !, Wullschl. ; S. Lucia !, Anders. ; [Florida !, Texas ! to Peru !, Galapagos !]. 



82. MIMOSA, L. 



Calyx dentate or abortive. Corolla 4-5 (-3-6) -cleft. Stamens as many or twice as many 

 as the petals : anthers globose, eglandular. Legume compressed, dehiscent : valves separating 

 from the entire border (the replum), jointed or continuous. — Leaves mostly bipinnate, sensi- 

 tive, mostly devoid of petiolar glands ; flower-heads peduncled in the West Indian' species; 

 exserted stamens usually rosy or white. 



Sect. 1. Eumimosa. — Stamens as many as the petals, usually 4. 



212. M. viva, L. Herbaceous, low, prostrate, radicant, unarmed, glabrescent; pinna 

 1-jugal: leaflets 4-5-jugal, oblong or obovate-oblong, blunt; flower-heads globose; legume 

 subquadrate, 1-seeded, hairy. — SI. t. 182. f. 7— Stem filiform, diffuse, rooting at each node; 

 peduncles and leaves l"-2" high; leaflets 2'" long. — Hab. Jamaica!, Al., in pastures, 

 S. Anns, S. Thomas in the East. 



213. M. casta, L. Stem suffruticose, glabrous, armed the whole length and on the 

 petioles with recurved prickles ; pinna 1-jugal, somewhat shorter than the petiole : leaflets 

 Z-4>-jugal, unequal-sided, oblong or half-elliptical, pointed, margined, usually strigose beneath 

 and on the margin with scattered bristles ; peduncles nearly as long as the globose flower- 

 heads, much exceeded by the petioles ; " legume-valves jointed, glabrous : border prickly." — 



