182 \ li;ir.r l ions PROM THE NATIONAL HERBARIUM. 



1 herbs, undershrube, >>r Bhrubs \\ i 1 1 1 equally <»r unequally pinnate leaves; -tip- 

 ulea membranous or foliaceous, lanceolate or Betaceous; flowers seldom large, usually 

 small, sometimes very small, gold-colored or pale yellow, often streaked with purple 



»us, in axillary or rarely terminal racemes; bracts resembling the stipules In 

 form. Bracteoles usually addressed against the calyx, often caducous. 



k i J t. . i ii i BMM n B. 



Leaves LO to 30-jugate. 



Leaflets l-nerved; stipules semisagittate; Sowers whitish in 

 lax few-flowere 1 racemes; peduncle l .5 cm. long; pod long- 

 stipitate, straight, the joints quadrate, rectilinear on the 

 Buperior, slightly curved on the inferior margin. 1. .1. sentUiva. 



Leaflets 3-nerved; Btipules calcarate; flowers yellow or purple 

 in dense racemes; peduncle very short; pod shortly Btipi- 

 tate, incurved, contracted at the dissepiments, the joints 

 half-round, rectilinear on the superior, rounded <>u the in- 

 ferior margin. 2. .1. americana. 

 a 4 or 5-jugate. :'•. .1. portoriceniii. 



1. Aeschynomene sensitiva 8w. 



Urban, 287.) 



Shrubby or Buffrutescent, 1 t" 1 meters high; stipules 6 to 9 mm. long, semisagittate, 

 caducous: leaves 2 to H> cm. long; leaflets 15 to 20-jugate, linear-oblong, 6.5 to 9 nun. 

 long, - to 3 nun. wide, glabrous, glaucous, sensitive; flowers 2 to 4, in very lax racemes; 

 calyx I mm. deep, cleft nearly to the base; corolla pale yellow, the standard red-veined 

 outside, not more than 0.6 mm. deep; pod •'!."> to 5 cm. long, 5 nun. wide. 6 to 9-jointed, 

 the lowest articulation on a pedicel 0.6 nun. l<>iiL r . the upper suture nearly straight, 

 lower deeply indented, the face with a few scattered setae, Mack. 



Near Bayamon, in moisl meadow- at Pueblo Viejo; near Fajardo in ditches; sierra de 

 Luquillo, in swampy places half-way to the top of Mount Jimenez; near Aibonito, in 

 Bwamps at Buena Vista; near Utuado, on the Rio Grande River at Salto Arriba; near 

 Guanica, in swamps on the lagoon toward La Plata: near Cabo Rojo in swamps; near 

 Mayaguez, on the sides of ditches and on Mount Mesa at 330 meters altitude: near 

 Ana-coin moist field- toward the sea; near I. are-, in u r ra--y place- at Anones. — Cuba, 

 Haiti. Guadeloupe, Dominica (Swartz, Grisebach), Martinique. St. Lucia (Swarts), 

 St. Vincent, Grenada, Trinidad Grisebach). Tropical Africa. 



A common American plant, extending from the Wesl Indies to Brazil. 



.1. sensitiva, like the next, seems to be inhabited by ants. The plant can be read- 

 ily recognized by it- Bemisagittate stipules, and its lax few-flowered racemes. 



Local name-, yerba rosario, ;i<rb<i <1< cienega. 



2. Aeschynomene americana 1.. 



(Urban, 287. 



Stem herbaceous or Buffrutescent, 1 to 2 meters high; leaves "> \<> 5 cm. long) leaflets 

 10 to 30-jugate, oblong-linear, 7 to U mm. long, 2 nun. wide: flower- pale yellow, some- 

 time- nearly white with dark red lines: calyx 1 mm. long; corolla s to !» mm. Ion. 

 low or purple; pods 2 to I cm. long, 5 mm. wide, glabrous. 



Near Bayamon in meadows; between Aibonito and Coamo along roads; nearCoamo 

 at the river in Farajone-: near Maricao on Mount Montoso; near Sahana I i ramie toward 

 La Plata along road-: near Mayaguez, on the hank of the river and at the base of Mount 

 Mesa; near Anasco in ditches around Batillo. Cuba, Jamaica. Haiti, St. Thomi 

 Croix. St. Kitt-. Guadeloupe, Dominica. Martinique, St. Vincent, Grenada, Tobago, 



