182 FABACEAE. 



ovuled; style glabrous; stigma small. Pod elongated-linear, wingless, com- 

 pressed, partitioned between the oblong seeds. [Name Arabic.] About 15 

 species, natives of warm and tropical regions. Type species: Aeschynomene 

 Sesban L. 



Leaflets apiculate, glabrous above, silky pubescent beneath. 1. S. sericea. 



Leaflets mucronate, sparingly pubescent above, glabrous beneath. 2. S. occidentalis. 



1. Sesban sericea (Willd.) DC. Prodr. 2: 266. 1825. 



Coronilla sericea Willd. Enum. 773. 1809. 



Agati sericea Hitchc. Eep. Mo. Bot. Gard. 4: 75. 1893. 



Stem slightly woody, 1-2 m. tall, silky-pubescent, at least above. Leaves 

 1-2.5 dm. long, the rachis pubescent; leaflets 10-20 pairs, linear-oblong, 1.5- 

 2.5 cm. long, obtuse and mucronate at the apex, usually densely silky pubescent 

 beneath, glabrous or nearly so above, sometimes nearly glabrous on both sides; 

 peduncles few-flowered, much shorter than the leaves; pedicels very slender, 

 1 cm. long or less; calyx about 4 mm. long, its teeth triangular, very acute; 

 standard 10-12 mm. long, yellow, black-spotted; pod 10-16 cm. long, biconvex, 

 3 mm. wide, short-beaked, not constricted between the seeds. 



Waste places, usually roadsides, New Providence and Rum Cay : Haiti to St. 

 Thomas and to Martinique ; Jamaica. SILKY SESBAN. 



2. Sesban occidentalis (Willd.) Pers. Syn. 2: 316. 1807. 



Coronilla occidentalis Willd. Sp. PI. 3: 1147. 1803. 



Shrubby, 3 m. high or less, branched, glabrous, or sparingly pubescent 

 above when young. Leaves 1-2 dm. long; leaflets 10-20 pairs, linear-oblong, 

 obtuse at both ends, 1.5-2.5 cm. long, mucronate at the apex; racemes shorter 

 than the leaves, few-several-flowered; pedicels slender, 8-12 mm. long; calyx 

 broadly campanulate, 6-7 mm. long, its triangular teeth very acute; corolla 

 about 2 cm. long, the standard yellow, purple-dotted; pod 1.5-2.5 dm. long, 

 2-3 mm. wide, biconvex, slightly constricted between the seeds when young. 



Fields, Inagua, near Mathew Town : Cuba to Porto Rico ; Trinidad ; Jamaica. 

 The Inagua specimen is in fruit only, and is referred to this species with some 

 hesitation. SMOOTH SESBAN. 



8. AGATI Adans. Fam. PI. 2: 326. 1763. 



Kapid-growing and short-lived small trees or shrubs, with equally pinnate 

 leaves of many pairs of oblong, entire leaflets, and large, variously colored 

 flowers in axillary racemes. Calyx large, campanulate, its lobes short and 

 broad. Standard ovate to oblong; wings narrow, longer than the standard; 

 keel petals curved, separate at base and apex. Stamens diadelphous (1 and 9) ; 

 anthers all alike. Ovary stipitate; style subulate, curved, the small terminal 

 stigma capitate; pod linear, elongated, flat, septate between the seeds. [Mala- 

 bar name.] A monotypic genus. 



1. Agati grandiflora (L.) Desv. Journ. Bot. 1: 120. 1813. 



Eobinia grandiflora L. Sp. PI. 722. 1753. 

 Aeschynomene grandiflora L. Sp. PI. ed. 2: 1060. 1763. 

 Sesban grandiflorus Poir. in Lam. Encyc. 7: 127. 1806. 



A tree, up to 12 m. high, with a trunk up to 3 dm. thick, glabrous, or very 

 nearly so throughout, or the young foliage finely pubescent, the bark rough. 



