2 1 s CONTRIBUTIONS PROM l in: NATIONAL HERBARIUM. 



Long, jrellow; pedicel 2 nun. long; bracts And bracteoles very minute; calyx cam- 

 panulAte) glabrous, t mm. deep; teeth deltoid, shorter than 1 1 > •■ - tube; corolla I to 1.2 

 cm. long; standard glabrous "ii the back; pod S.7 to 5 cm. long, slightly recurved, 

 glabrescenl or thinly -ilky. 



Bayamon in grassy plains; near Patillas in coast districts al GKu daraya; near 

 Sabana « Irande, on the bank of Bstero River; near Salinas de « abo lioj ' rillos; 



guez; in coast districts at Algarrobo; near Manati in meadows nearth 

 ahore. Bermuda Bemsle) . ( uba, Jamaica, Cayman I Bitchcock . Haiti, St. Thomas, 

 St. Croix, St. John I Vntigua Grisebach . Guadeloupe, St. Vincent, Bequia 



K> u Bui] p. 247), Barbados, Grenada, Tobago. This species is common 



from temperate North America to Argentina. Tropical and south Africa, tropical 

 Asia, and Australia. 



3. Vig-ua ung-uiculata (L.) Walp. 



I Urban, 31 1. 



Stems annual, twining, subglabrous; stipules ovate-lanceolate, subpeltate, I 

 1.2 cm. deep; petioles 5 to L5 cm. long, glabrous; leaflets 3, the central one roundish or 

 ovate, 7.5 to 15 cm. long, acute, the base rounded; petiolule 2.5 to 5 cm. long, lateral 

 ones often unequal-sided, both sides glabrous; flowers in 6 to 12-flowered racem 

 glabrous peduncles 15 to 30 cm. long; bracts like the Btipules; pedicels very short; 

 calyx glabrous, A nun. deep; teeth deltoid, acuminate, shorter than the tube, the two 

 upper ones connate; corolla yellow or reddish. 2.5 cm. deep. 



Cultivated near Yabucoa, at Guayavote, and near Mayaguez. Universally culti- 

 vated throughout the Tropics. 



Two varieties occur, one with lilac flowers and yellow seeds spotted with red, the 

 other with yellow standard, purplish white wings, and white or pale yellow seeds 

 which are brown at the hiluin. 



The pods and seed.- are eaten and the fibers 6f the long peduncles are used for i 

 nets, and cloth-. 



Local names, frijoles, huh jus. 



66. PACHYRHIZUS Rich. 



Cacara Rumph.; Thou. Diet. Sc. Nat. 6: 35. 1806. 

 Pachyrhizus Rn n.; DC. Mem. Legum. 379. 1825. 

 Taeniocarpum Desv. Ann. Sc. Nat. 9: 420. L826. 



Calyx campanulate, the two upper teeth subconnate, the other.- equal, lanceolate; 

 standard broadly obovate, appendiculate at the base with indexed auricle.-; wings 

 oblong, falcate; keel incurved, obtuse, equaling the wings; stamens diadelphous or 

 monadelphous; ovary subsessile, multiovulate; style moderately thick, the apex 

 Bubinvolute, flattened on the inner side; stigma subgloboee, oblique; pod linear, 

 Bubcompressed, depressed transversely between the seed.- and septate within. 2- 

 valved. Serbs, twining; leaves pinnate; leaflet- 3, usually more or less -innate- 

 dentate. Btipellate; flowers in elongated, sometimes panicled axillary racemes; bracts 

 and bracteolea minute, setaceous, deciduous. 



KKV To 'III i: BPEI 1 I B. 



Root a turnip-like tuber; corolla blue; pod L5 to 22.5 cm. long. P i Ufa*. 



Rool of long cord-like fibers hearing a succession of tubers; flow< 

 white; pod 20 to 30 cm. long. P. tuberotut. 





