IL'O LK<;rMiN(»s.i:. (i-i i.sk kamilv.) 



2. C. Bonduc, Hoiitli. & Hunk. Loaflcts 5-8 jciiis, iil)Ii<|Uf'ly cival, imi- 

 croiiiitf, tin- t*ti|)iiliir thorns 2-3; raceiiu'.s loiifj;, (ienscly iiiaiiy-lluweri'il ; cahx 

 lolies (Idwiiv within, simrtcr than the lung rccurvid (ifcifluuus hraits ; legume 

 ovati', l-sueilcd. — South Florida. — A tall .xliruli. J.,eallfts i'-l' long. 

 Kaceines 1° loug. Tlowers yiUow. 



47. PARKINSONIA, I'lum. 



Scp.lls .'), equal, recurved. TetaLs .'j, ovate, the njiper one roundi.<;h, long- 

 elawed. Stamens 10. Style filiform. Legume linear-ohlong, compressed- 

 moniliform, several-seeded. — A spiny shruh. J^eaves ])innale, with the 

 petiole broadly winged, tlie numerous leaflets small, ofteu deciduous or abor- 

 tive. Flowers showy, yellow, in terminal racemes. 



1. P. aculeata, L. — Key West, escaped from cultivation. 



SuBOHDEK TTT. I?II]TIOSEy"E. Mimo.sa Family. 



48. MIMOSA, L. Sensitive Plant. 



Flowers polygamous. Calyx minute, 4-5-toothed. Petals united into a 

 4-5-cleft tulmlar-canipanulate corolla. Stamens 4 - 1.5, distinct, much ex- 

 serted. Legume comjjressed, mostly jointed, 1 - many-seeded ; the broad 

 valves separating at maturity from the persistent margins. — Herbs, shrubs, 

 or trees. Leaves bipinnate, sensitive. Flowers white or rose-color, capitate 

 or spiked, on axillary peduncles. 



1. M. strigillosa, Torr. & Gray. Herbaceous and rough with scat- 

 tered appres.scd rigid hairs; stem prostrate; leaves loiig-petioled ; pinna; 5-6 

 pairs ; leaflets 10-14 pairs, oblong-linear; peduncles longer than the leaves; 

 heads of flowers elliptical; legume oval or oblong, 1 -3-jointed, hispid. — 

 Banks of rivers, Florida, and westward. July - August. — Flowers rose- 

 color. 



M. PuniCA, L., the common Sensitive Plant, is partially naturalized in 

 some localities. 



49. SCHRANKIA, Willd. Sensitive Brier. 



Flowers polygamous. Calyx minute. Corolla funnel-shaped, 5-cleft. Sta- 

 mens 8- 10, distinct, exserted. Legume not jointed, ])rickly, 1-celled, many- 

 .seeded ; the narrow valves separating at maturity from the broad margins. — 

 Perennial prostrate herbs, with l)ij)innate sensitive leaves, and purjde floAvers 

 in globose axillary peduncled heads. Stem, petioles, peduncles, and legumes 

 beset with short recurved prickles. 



* Lower surface of the leaflets reticulate with elevated veins. 

 1. S. uncinata, Willd.l Stem stout, grooved; leaves approximate; 

 pinnas 4-7 pairs; leaflets 25-30, oblong, acute, 3" -4" long; peduncles 

 mostly single, shorter than the leaves; legumes 2'-3' long, linear, short- 

 pointed, thickly armed with rigid prickles, about the length of the peduncle. 

 — West Tennessee, and westward. July. 



