BENTHAM ON MIMOSE^E. 403 



communi subsequilongis, capitulis ellipticis, bracteolis corol- 

 la parum brevioribus, caiyce minute, legumine ovato v. oblon- 

 go 1 — 3-articulato undique setoso. — East Florida and Loui- 

 siana, Torrey and Gray; Texas, Berlandier, Drummond, 3d 

 coll., n. 157, 157, bis., and 159. 



155. M. camporum (Benth. in Hook. Journ. Bot. ii. 130.), 

 procumbens, aculeis minutis raris, caule petiolisque hispidis 

 demum glabriusculis scabris, stipulis lanceolatis acuminatis, 

 pinnis 2 — 4-jugis, foliolis 10 — 3D-jugis linearibus ciliatis gla- 

 briusculis, capitulis parvis breviter pedunculatis subracemo- 

 sis, bracteolis corollam subaequantibus, caljce parvo, legu- 

 mine oblongo 1 — 3-articulato vix obliquo undique hispido.— 

 British Guiana, Schomburgk, n. 125. 



Sect. III. Ameria. 



Flores tetrameri v. saepe pentameri. Stamina numero 

 petalorum dupla. Legumen pleiospermum v. polyspermum, 

 intus transverse septatum v. uniloculare, valvulis planis v. 



convexis, indivisis Frutices, arbores v. rarius herbse. 



Petioli glandulis orbati et I'arius inter pinnas setosi. Pinnae 

 pluri-v. multijugge, rarius unijugse aut nullae. Foliola seepius 

 ttiultijuga. Calyx varius. Corolla membranacea. Legu- 

 men nunc undique setosissimum, v. hispidum nunc glabrum 

 nudum v. margine aculeatum. — Species omnes Americanse. 



§ 1. Antrors(B. (cfr. char, in diagnosi specifica.) 



156. M. antrorscB (sp. n.), fruticosa? ramulis crassis tetra- 

 gonis petiolis pedunculisque adpresse rufo-pilosis, aculeis in 

 angulis caulis et hinc inde in petiolis antrorsum uncinatis, 

 pinnis 10 — l5-jugis, foliolis 30 — 50-jugis parvis linearibus 

 ciliatis utrinque glabris v. subtus puberulis, racemo terminali, 

 capitulis globosis, bracteolis corolla brevioribus, caiyce parvo 

 ciliato, legumine lato lineari piano undique adpresse villoso 

 polyspermo. — Pili totius plantae flavicantes v. rufi. Stipulae 

 Hneari-subulatas. Folia semipedalia. Foliola 1^ — 2i-lin. 

 longa. Racemus pedalis basi foliatus, pedunculis vix polli- 

 caribus geminis ternisve. Flores tetrameri. 'Legumen 



