lid CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



•• 1"\\ ; upper -la- 

 in. -li ii. . 1- .i\ ee gland-dotted. I \.i \\- 



I\ A I 



Seeds 4 to many. 62. < 'ajamu p 210). 



Is _'. very rarely 3. p. 211 >. 



Style bearded Longitudinally on 1 1 1 « ■ inner 

 side or penicillate a1 the apex ^ Phasbo- 

 i i \ 



Keel twisted spirally. 64. PJuueoltu p. 213 



Keel truncate or with a curved beak, 

 no! Bpirally twisted. 

 Stigma Bubseesile, oblique, indexed 

 or inserted below 1 1 1 * - apex of the 

 Btyle. 

 Stigma very oblique, inflexed. 65. Vigna p. 216). 

 Si igma -ul. -.--ii.-. mii the inner 

 Bide of the Btyle which i- • 



dilated at the apex. 66. Pachyrkizu& p. 218). 



Stigma terminal, not oblique. 67. I><>r t ,l,<>s p. 219). 



DESCRIPTIONS OF THE GENERA AND SPECIES. 

 1. INGA Scop. 



Tnga Scop. Entrod. 298. 1777. 

 Amosa Ne< k. Elem. 2: 459. L790. 



Flowers 5 or 6-merous; calyx tubular or campanulate, dentate or broadly lobed; 

 corolla tubular or funnel-shaped, the petals connate to the middle or beyond it; 

 Btamens indefinite, more or Less united and forming a tube, long-exserted; ovary 

 sessile; seeds aumerous; legume Linear, Btraighl or Bomewhat curved, flat, quadrangu- 

 lar "i- almost terete, coriaceous or Bomewhal fleshy, almost always with thickened 

 Butures, Bub-dehiscent, pulpy between the Beeds or rarely without pulp. Tn 

 Bhrubs with pinnate leaves; rachia \\ in-_r< <1 between the leaflets <>r sometimi 

 almost always bearing ><->iW ( .r stipitate glands; flowers often very large and tomen- 

 tose, in umbels or globose hmds. Bometim.es in oval elongated spikes, solitary or in 

 fascicles, axillary or in crowdeu compound racemes on the ends of the branch) 



Kl.v TO l ill. BPE< IE8. 



Stem. Leaves, and flowers rusty brown tomentose or pubescent; 



rachis winged between the leaflets. 1. / 



Stem, Leaves, ami flowers glabrous; rachis not winged between the 



Leaflets. 2. /. lawrina. 



1. Ing-a vera Willd. 



1 rban, 263. l<" 



\ large nee; Leaflets 1 t<> 6- jugate, oval or elliptical-oblong, the largest 17 cm. Long, 

 7 cm. wide, .-'--ile. spikes 10 i<> L3 em. long; flowers 1.5 to 5.5 cm. Long; calyx I cm. 

 Long; corolla L.5 cm. long; Btamens white; legume aboul 20 cm. long. 



In woods near Bayamon; near dwellings on Mount Jimenez, at Sierra de Luquillo; 

 near Los Mam eyes; between A.guas Buenas and Caguas, along roads; on Mount Mesa, 

 near Mayaguez. Jamaica, II. mi. Trinidad Grisebach), Central America. Colombia. 



The reference- under the Bpecies name- are to the full synonymy given by Urban, 

 Symbolae Antillanae, volume i. All the pages cited, 262 to 312, were issued in 1905. 



