204 



CONTRIBUTIONS FROM I'll!'. NATIONAL HERBARIUM. 



I. Rudolphia voiubilis Will' 



IH 



Twining; leaflets cordate, rarely broadly ovate, 5 i" l<» cm. Long, 3.5 i" 7 cm. wide, 

 truncate at the base, acuminate; pedicels 5 to 7 mm. long; calyx purple, 2.0 to 2.5 cm. 

 Long; corolla coral-colored, pale purple or blood-red; standard L0 to 1.5 cm. 1 < » 1 1 lt . L.2 

 to L.3 cm. wide; wings L.5 to L.8 cm. long, 0.7 to I nun. wide; keel petals L.2 to L.6 

 cm. l"iiL r . 0.7 i" I mm. wide. 



In the primeval forest, not unusual e. u r .. aear Bayamon; near Rio Blanco; in 

 sicna de Luquillo on Mount Jimenez; Sierra de Naguabo on Mount Piedra Pelada; 

 n.ar Yabucoa, at Guayabota and on Mount Piedra A/.ul; near Bato Grande on Mount 

 Gregorio; near Aibonito, at Guyon; near Cayey, on Mount Torito; near Adjunl 

 Mount Serrote; near Pefiuelas, at Las Cruces; Dear Maricao on Mount Alegrillo; aeax 

 Mayaguez on Mount Mesa; in sierra de Lares at Guajataca. [ndigenous, 



Local names, bejuco Colorado, bejuco dt alambre, bejuco prieto 



57. MUCUNA Adans. 

 Mucuna Adans. Fain. 2: :'>-!■">. L763. 



Calyx broadly campanulate, very unequally toothed, the upper tooth (consisting 

 of 2 combined) broader, the lowest longer; standard folded together, shorter than 

 the wings, with indexed auricles at the base; wings oblong or ovate, incurved, often 

 adhering to the keel; keel equaling or longer than the wings, incurved al the apex, acute 

 or rostrate; upper stamen free, the rest connate: anthers alternately Longer and fixed 

 ai the base and shorter and versatile, often bearded; ovary sessile, pauciovulate; 

 style filiform; stigma small, terminal; pod thick, linear or ovate-oblong, often clothed 

 with stinging hairs. 2-valved, septate between the seeds, the valves coriaceous, 

 plane or variously costate or lamellate, sometimes winged.- ( limbing herbs or shrubs 

 I ..He species erect i; Leaves pinnate; leaflets 3, with stipels; stipules caducous; flowers 

 usually Large, purple, red, or yellowish green, rarely light green, in axillary racemes 

 or fasciculate at the end of the peduncle; brads usually small, seldom Large, usually 

 caducous. 



KEY TO THE SPECIES. 



Pod oblong, nearly straight, with close, broad, irregular, coriaceous 

 undulated lamellations and yellow bristly hairs in the hollows, 

 2 or 3-seeded; leaflets papyraceous, the upper surface with a few 

 deciduous adpressed bristly hairs, under surface more or less silky, 

 central one ovate-oblong, cuspidate; flowers in capitate heads 

 on firm axillary peduncles; corolla sulphur-yellow. (Section 

 Cm a DC.) 



Pod linear, curved, longitudinally ribbed, densely clothed with 

 brown silky bristles, 5 or 6-seeded; Leaflets membranous, the cen- 

 tra] one ovate-rhomboidal broad, bluntish with a mucro, the 

 upper surface glabrous; flowers in short-stalked copious racemes; 

 corolla deep dark purple. I Sect ion StIZOLOBIUM DC.) 



Leaflets ovate or oval-oblong, glabrous; peduncle Long, slender, 

 pendulous; pod compressed, flat, without lamellae, often very 

 Long, oiany-seeded, constricted between the seeds; seeds round; 

 hilum linear. (Section CARPOPOOON.) 



I . M. wrens. 



2. M. pruru nt. 



3. M. all i.ssi mil. 



