190 LEGUMINOS^. 



linear-lanceolate; racemes peduncled, few-flowered; calyx-teeth subequal, subulate-linear; 

 style glabrous; legume sessile, oblong, 2-seeded, usually pubescent. — Corolla light-blue, 

 li'"long. — Hab. Naturalized in the mountains of the Caribbean Islands !; [introduced from 

 Europe]. 



23. ABRUS, L. 4 



Calyx truncate. Stamens 9 : column split on the vexillar side : vexillar stamen wanting. 

 Stigma capitate. Legume partitioned by spurious, transverse dissepiments. — Twining, suf- 

 frutesceut herbs, or shrubs ; leaves abruptly pinnate, with a terminal mucro ; leaflets 

 many-jugal ; racemes terminal, or terminating aphyllous, axillary branches ; flowers rosy, 

 fascicled. 



68. A. precatorius, L. Leaflets oblong, blunt, with scattered, appressed hairs beneath, 

 or glabrescent ; wings exceeded by the keel ; column very shortly adherent to the standard- 

 claw ; legume oblong, subtruncate at both ends. — SI. t. 112./. 4-6. Lesc.Fl. 4. t. 275. — 

 Seeds globose, shining-scarlet, with a black spot at the base. — Hab. Jamaica !, Al., Wullschl., 

 common on fences ; Antigua !, Wullschl., S. Vincent !, Quild. ; [Venezuela 1 to Brazil ! ; 

 tropical Africa to the Cape !, China!, East Indies !]. 



Sdbtribe 6. PHASEOLEjE. — Stamens monadelphous or diadelphous. Legume bivalved. 

 Cotyledones usually thick, amylaceous. — Stem usually twining'; leaves mostly pinnately 

 3-foliolate, stipellate. 



Series 1. Bhynchosieae. — Calyx ebracteolate. Pedicels solitary or geminate. 



24. RHYNCHOSIA, Lour. 



Calyx unequally 5-fid, or 4-5-partite. Standard roundish. Stamens mostly diadelphous. 

 Ovary 2 (-1) -ovulate. Legume compressed, continuous. Seeds with a short or obsolete 

 rhaphe. — Herbs, often glanduliferous with minute yellow glands ; leaflets 3 (—1) ; flowers 

 usually yellowish, mostly in axillary racemes. ,. 



Sect. 1. Copisma. — Calyx 5-fd: inferior lobe longer. 



69. R. minima, DC. Tomentose or glabrescent ; stem low, twining, obtuse-angled ; 

 leaflets ovate-rhomboid, rather acute ; flowers racemose, distant ; calyx-lobes lanceolate-linear 

 the inferior about half as long as the corolla ; legume not constricted, oblong, tapering at 

 the base, pubescent : seeds black. — SI. t. 115. /. 1. Mart. Fl. Bras. 24. /. 54. /. 2. — 

 Dolichos, L. R. punctata, DC. R. caribsea, Torr. et Or., Macf. : DCs homonym (from 

 Jacq. Ic. Rar. t. 146) has larger flowers and legumes, and is probably a 1-seeded form of 

 the following species. — Stem about 1' high ; corolla 3"'-4"' long, yellow : standard veined 

 with purple ; legume 6"'-10'" long : seeds reniform, with a minute rhaphe, 1'" broad. — 

 Hab. Bahamas !, Swains. ; Jamaica ! to Trinidad I, all coll., a common weed ; [Texas !, Cuba ! 

 and Mexico 1 to Brazil ! ; trop. Africa I and Asia I]. 



70. It. phaseoloides, DC. Tomentose or glabrate ; stem suffrutescent, twining, sub- 

 cylindrical ; leaflets ovate or ovate-rhomboid, pointed ; racemes many-flowered ; calyx-lobes 

 ovate-lanceolate or ovate, pointed, the inferior half as long as the standard ; legume con- 

 stricted between both seeds, tomentose or glabrescent : seeds black, with a scarlet-yellow 

 ring around the hilum. — Mart. I. c. t. 54. /. 1. — Seem. Panam. t. 20. — Glycine, Sw. R. 

 precatoria, DC. R. cariba:a, DC. ? — Exceedingly variable in the down, the size and form 

 of the leaflets, the glands, the inflorescence, and the calyx-lobes. A high climber ; corolla 

 5"'-7"' long, yellow : standard striate with purple ; legume 10"'-12'" long, 4'" broad : seeds 

 roundish, with a short, linear-oblong rhaphe, 2£'" diam. — Hab. Jamaica !, all coll., in woods ; 

 Dominica!, Imr.; Trinidad!, Pd.; [Cuba and Panama 1 to Brazil; Galapagos Islands!]. 



Sect. 2. Arctphyllum. — Calyx 4-partite, nearly as long as the corolla : 

 upper segment bifid. 



71. R. reticulata, DC. Tomentose; stem suffrutescent, twining, angular; leaflets 

 ovate, pointed, 3-nerved, and reticulated beneath, with the ribs prominulons ; racemes many- 

 flowered: flowers sTiortly pedicellate, nodding ; calyx-segments lanceolate or oblong-lanceo- 



