w 4 



PERKINS — THE LEGUMTXOSAE OF PORTO RICO. 



211 



beardless, slightly dilated lx'lo\V the obliquely terminal stigma; pod linear, obliquely 

 acute, compressed, 2-Yalved, with transverse constriction? between the seeds on the 

 outi^ide, scarcely septate withiu; seeds subglobose, slightly compressed.— Erect under- 

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

 veined with purple, in axillary pedunculate racemc^s; bracts deciduous. 



1. Cajanus indicus Spii'iig.*^ 



(ITrbau, 300.) 



Undershrub 2.5 to 3 meters higli, <^rcct; l)i-anch(^s angular, finely gray-silky with 

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

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

 in 2 to 8-flowered axillary racemes, yellow or sonu'tinies the standard spotted with 

 orange; pedicela 0.6 to 1.5 cm. long; calyx silky, 0.5 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-seedi'd, fmely 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, Martiniciue, St. 

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

 out the Tropics; probably indigenous in Africa. 



The seeds taste like a coaT^e description of field pt^as and are sold either in the forui 

 of split peas or of flour in India, whore they are highly (^steemed l)y the natives. The 

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

 cament. The leaves are considered excellent as a foddia- f(jr cattle. 



L()cal names, gandul^ (jandures. 



63. RHYNCHOSIA Lour. 



r 



DolicholusUedic. Vorles. Churpf, Phys. Ges. 2: 354. 1787. 

 Rhynchosia Lour. PI. Cochinch. 2: 4G0. 1790. 

 RyncTiosia Macfai>. PI. Jam. 1: 275. 1837. 



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

 nate; standard orbicular (^r obovate, usually with inflexed auricles at the base; wings 

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

 2 or very rarely 1 ovule; style incurved upward, liliform 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 attached- 

 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- 

 siatent 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 

 si ngle flowers; bracts deciduous 



KEY TO THK SPECIKS. 



Calyx segments lanceolate, several times longer llian the very 

 short tube, and as long as or longer than the standard. (Section 



Arcyphyllum Ell, as genus.) 



Legume pubescent or glabrescent, not constricted, 2.2 to 6.0 

 mm. long; seeds nearly bla<"k, reniform-roundish, com- 

 pressed, about 4 mm. in diameter. 



]. R. reliadata 



a Cook and Collins, p. 100, as Cajonus cajan 



