PERKINS THE LEGUMINOSAE OF PORTO RICO. 211 



beardless, slightly dilated below the obliquely terminal stigma; pod linear, obliquely 

 acute, compressed, 2-valved, with transverse constrictions between the seeds on iho 

 outside, scarcely septate within; seeds subglobose, slightly compressed. Erect under- 

 shrubs; leaves pinnate; leaflets 3; stipules subulate, caducous; flowers yellow, usually 

 veined with purple, in axillary pedunculate racemes; bracts deciduous. 



1. Cajanus indicus Spreng.o 



(Urban, 306.) 



Undershrub 2.5 to 3 meters high, erect; branches angular, finely gray-silky with 

 adpressed hairs; petioles 1 to 4 cm. long; leaflets oblong or oblong-lanceolate, 4 to 10 cm. 

 long, acute, subcoriaceous, the upper surface glabrous, the lower gray-silvery; flowers 

 in 2 to 8-flowered axillary racemes, yellow or sometimes the standard spotted with 

 orange; pedicels 0.6 to 1.5 cm. long; calyx silky, 6.5 to 8.5 mm. deep, the teeth lanceo- 

 late, not reaching halfway down; corolla 1.5 to 1.8 cm. deep; pod 5 to 8 cm. long, 0.9 

 to 1.5 cm. broad, 3 to 5-seeded, finely pubescent. 



Cultivated and seemingly spontaneous near Bayamon; near Lares; at Perchas and at 

 Espino; near Maricao on the declivities of Mount Montoso; near Mayaguez, in coast dis- 

 tricts at Algarrobo. Bermuda (Hemsley), Bahama, Cuba(Grisebach), Jamaica, Haiti, 

 St. Thomas, St. Croix, St. John (Eggers), St. Martin (Stockholm Herbarium), St. Bar- 

 tholomew, (do.), St. Kitts (Grisebach), Antigua (do.), Guadeloupe, Martinique, St. 

 Vincent, Barbados, Grenada, Trinidad (Grisebach), Margarita. Cultivated through- 

 out the Tropics; probably indigenous in Africa. 



The seeds taste like a coarse description of field peas and are sold either in the form 

 of split peas or of flour in India, where they are highly esteemed by the natives. Tbe 

 young pods are used for salad. The roots, leaves, and flowers are employed as a medi- 

 cament. The leaves are considered excellent as a fodder for cattle. 



Local names, gandul, gandures. 



63. RHYNCHOSIA Lour. 



Dolicholm Medic. Vorles. Churpf. Phys. Ges. 2: 354. 1787. 

 Rhynchosia Lour. Fl. Cochinch. 2: 460. 1790. 

 Rynchosia Macfad. Fl. Jam. 1: 275. 1837. 



Calyx campanulate or tubuliform-campanulate, the 2 upper lobes more or less con- 

 nate; standard orbicular or obovate, usually with inflexed auricles at the base; wings 

 narrow; keel incurved at the apex; upper stamen free; ovary sessile or nearly so, with 

 2 or very rarely 1 ovule; style incurved upward, filiform or incrassated; stigma small 

 terminal, capitate; pod oblique, orbicular, oblong, or slightly curved, compressed, 

 2-valved, continuous or rarely septate internally; seeds 2, rarely ovoid or almost reni- 

 form, compressed, with a lateral short or oblong hilum, the funicle centrally attaehed- 

 with or without a strophiole. Twining or trailing, rarely erect herbs or undershrubs; 

 leaves pinnate; leaflets 3, seldom only 1, without stipels; stipules ovate, subulate per- 

 sistent or caducous; flowers yellow, the standard often streaked with brown or purple, 

 more rarely purple, white, or greenish; peduncle axillary, bearing a raceme or rarely 

 single flowers; bracts deciduous 



KEY TO THE SPECIES. 



<'alyx segments lanceolate, several times longer than tbe very 

 short tube, and as long as or longer t han tbe standard. (Section 

 Arcyphyllum Ell, as genus.) 



Legume pubescent or glabrescent, not, constricted, 2.2 to 6.6 

 mm. long; seeds nearly black, reniform-roundish, com- 

 pressed, about 4 mm. in diameter. 1. R. reticulata. 



o Cook and Collins, p. 101), as Cajanus cajan. 



