

PERKINS THE LEGUMINOSAE OF PORTO RICO. 213 



The differences in the pod and seeds of /.'. phaseoloides and /.'. minima are quite el rik 

 ing. The | >< • « 1 of the former is constricted between the seeds, and th< black 



wnli a scarlet-yellow ring around the hilum, while the pod of the latter is not con- 

 stricted between the seeds, is much smaller, and has seeds thai are entirely black. The 

 la run • brown glands on the under side of the leav< a and on the calyx of /.'. minima are 

 mosl ooticeable. 



I. ncal aames, In juco iL paloma, peronias. 



3. Rhynchosia minima I 1.. I I >< '." 

 I [Jrban, 307. 



Stems lirm. herbaceous, Blender, trailing or twining, minutely tomentose or nearly 

 glabrous; leaflets broadly ovate-rhomboidal, mostly about 2.5 cm. long when full grown, 

 but often much smaller; stipules minute, setaceous; racemes bearing in their upper por- 

 tion scattered pendulous yellow flowers, rarely exceeding 6.5 mm. in length, on very 

 shorl pedicels; calyx 4.5 nun. long, subglabrous; teeth linear-setaceous, reaching more 

 than halfway down; corolla L8 nun. deep; standard uol silky, yellow veined with 

 purple 



Near Bayamon; near Catafio; near Coamo, in the valley of El Tendal River; Dear 

 Lares, in thickets al Los A.ngeles; Dear Guanica, between Boca and Barinas in ditches; 

 nearCabo Rojo, al Miradero; near May aguez, in coast districts al Algarrobo; tear Rin- 

 con, al Calvache. — One of the Florida Keys (Chapman), Bahama, Cuba, Jamaica, 

 Cayman. Hail i. St. Thomas. Si . Croix. Si . John Eggers . Si . Barl holomew (Stockholm 

 Berbarium , ( ruadeloupe, Martinique, Si . Vincent, Bequia Kew Bull. do. 81, p. 247 . 

 Mustique (do.), Onion, Barbados, Grenada, Trinidad (Grisebach), Margarita. This 

 species appears to be ahum hint in almost all subtropical or tropical countries. A com. 

 mon weed ex Grisebach . 



Local name, frijolillo, /><<iu<nn. 



64. PHASEOLTJS L. 



Phcmnhis L. Sp. PI. 2: 723. L753. 



Calyx campanulate or shortly tubuliform, the 2 upper teeth iri-t- or connate, the 

 others deltoid or lanceolate; standard orbicular recurved or subtortuous, more or less 

 distinctly aurieulate at the base, the edges in flexed toward the l.a.»e. with or without a 

 longitudinal callus in the middle: wings obovate or rarely oblong, equaling or exceed- 

 ing the standard, adhering to the keel above the claw, ofteo twisted; keel lin< 

 obovate, with a long obtuse spirally twisted beak; upper stamen tree, often incrassated 

 or appendiculate above the base, the rest connate: ovary subsessile, with a cupuliform 

 discus, multiovulate; style long, incrassated within the beak of the keel and twisted 

 with it. usually longitudinally bearded upward: Btigma oblique or on the inner side 

 of the style: pod linear or oblong, terete or compressed, straighl or falcate, 2-valved, 

 usually slightly septate between the Beeds. Serbs, either annual or perennial and 

 woody at the base, short and erect or elongated and twining in the same species; leaves 

 pinnate; leaflets 3 or very rarely 1 . with stipules; stipules persistenl . striate, often cal- 

 carate; (lowers white, yellow, violet . red. or purple, in axillary raceme-: bracts usually 

 deciduous; bracteoles often wide and for some time persistent. 



" Cook and Collins, p. L36, a- Dolichol 



ns minimus 



