PERKINS— THE LEGUMINOSAE OF PORTO RICO. 149 



coriaceous or flubmembranous, 2-valved, the valves depressed between thi 

 indistinctly septate; seeds transverse, ovate. Perennial herbs or decumbenl 

 undershrubs, Btems usually compressed or triangular; leaves bipinnate, the leaflets 

 small; stipules membranous, obliquely cordate; flower head 

 solitary, the Lower aeuter flowers with elongated petaloid staminodia. 



1. Neptunia plena I Benth. 

 (Urban, 2 



Undershrub, decumbenl or ascending; pinnae 2 or 3-jugate, the petiole bearing a 

 gland between the lowest pair; leaflets 11 to 20-jugate, uarrowly linear, I to 7 nun. 

 long, _' mm. wide; bracts in the middle of the peduncle alternate, cordate, longer per- 

 sistent than in other species; flower-heads oval, the flowers yellow, the calyx 2 nun. 

 long; corolla 3.5 mm. l"tr_ r : anthers brown; legume stipitate, al length deflexed, 

 cm. 1< »iilt . I cm. wide, 5 to 20-seeded. 



Near Maunabo, al Punta de la Tuna; near Guanica. on the Bwampy shore of the 

 Lagoon toward La Plata; between Vega Baja and Dorado, in sandy districts; near 

 Dorado, on inundated sandy land. Cuba Richard . Jamaica Grisebach . Haiti, 

 Antigua Grisebach . Guadeloupe, Martinique, St. Vincent, Union Kew Bull. uo. 81, 

 p. 249 . Grenada, Curacao, South America, tropical Asia introduced . 



The plant figured in the Botanical Register^ a- A . pit na, and described as ha"\ in'_ r a 

 spongy floatingstem, was probably A', oleracea. 



Local name, desmanto amarillo. 



11. ADEN ANTHER A L. 



Adenanthera L. Sp. PI. 1: 384. L753. 



Stachychrymm Boj. Hort. Maurit. 114. 1837. 



Gonsii Alan-. Fam. 2: 318. L763- 

 Flowers hermaphrodite or polygamous, 5-merous, substipitate; calyx campanulate, 

 shortly toothed; corolla segments coherenl below or free; stamens LO ircely 



exserted; ovary sessile, multiovulate, style filiform, stigma -mail, terminal; legume 

 linear, usually curved, compressed or often turgid over the Beeds, usually incurved 

 or falcate, 2-valved, usually septate; Beeds scarlet or two-colored, thick, tin- testa 

 hard, smooth. Trees, unarmed; leaves bipinnate; leaflets small, multi jugate; flow 

 era white or yellowish; racemes often elongated, solitary <»■ fascicled in the axils <■!• 

 panicled at the extremities. 



1. Adenanthera pavonina L. 



Urban, _ 



Tree. 5 to 8 meters high; pinnae 2 to 5-jugate; leaflets 6 to 10-jugate, ovate or oblong- 

 elliptical, 2.6 i" 5 cm. long, 1 to .!.■"> cm. broad, very obtuse, glabrous; flowers in 

 racemes; calyx I nun. long; corolla :'.."• mm. long; legume 10 to 27 cm. long, 1 to 1.5 

 cm. wide, brown outside, golden yellow inside, linear, compressed, incurved; 

 scarlet, smooth. 



< nltivate.l and seemingly spontaneous near Bayamon; near < 'a ho Rojo; near M 

 guez; near Anasco, around Hacienda Pagan. Cuba (Grisebach . Jamaica do. . Cay- 

 man Hitchcock), St. Thomas Eggers . St. Croix do. . St. John do. . Guadaloupe, 

 Martinique Duss . St. Vincent, Bequia. Native country tropical Asia. 



This plant i- introduced in the West Indie- and other parts of tropical America, and 

 possibly in tropi.al At'rica and tropical Australia. The glistening red seeds ndori) 

 are worn a- ornaments by the women and. roasted or boiled with ri< e, they . 



a Bot. Reg. 32: pZ. 3. 1846. 



