LEGUMINOS.E. 195 



to be a glabrescent Martinique form. It resembles the preceding, and the corolla is of the 

 same dimensions ; but is easily distinguished by the large, pubescent calyx, the inferior 

 segment of which is 6'" long. Corolla pink and white. — Hab. S. Kitts!, Antigua!, Wullschl., 

 Dominica 1, Imr., S. Vinceut !, Guild. 



Series 3. Euphaseolese. — Calyx bibracteolate. Pedicels fascicled, inser ted into a knob, 

 which protrudes from the rhachis. 



32. STENOLOBIUM, Benth. 



Calyx campanulate, bilabiate : upper lip bidentate or bifid, inferior 3-partite. Standard 

 obovate, biauricled. Stamens diadelphous. Style filiform : stigma terminal. Legume com- 

 pressed : seeds separated by spurious dissepiments. — Stem twining {rarely erect) ; leaves 

 Z-foliolate, stipellate ; inflorescence fascicled-racemose .- flowers blue, narrow. 



92. S. cseruleum, Benth. Stem twining ; leaflets rhomboid-ovate, pointed or blunt, 

 tomentose or sericeous-villous beneath, (rarely glabrescent) ; racemes many-flowered ; calyx 

 half as long as the corolla; legume pubescent. — Mart. FL Bras. 24. t. 38. — Leaflets 3"-2" 

 long; corolla pale blue, 4" , -5 m long.— Hab. Trinidad!, Sch., Loci A., Cr.; [Cuba! and 

 Mexico ! to Peru ! and Rio Grande do Sul !]. 



33. PACHYRRHIZUS, Rich. 



Calyx, corolla and stamens of Slenolobium. Style compressed above, and hairy : stigma 

 lateral. Legume compressed, impressed transversely along the spurious dissepiments. — 

 Stem twining ; leaves Z-foliolate, stipellate : leaflets usually sinuate-angular ; inflorescence 

 fascicled-racemose : flowers blue. 



93. P. angulatus, Rich. Leaflets deltoid-ovate, angular, pubescent beneath or gla- 

 brescent.— Plum. Ed. Burm. t. 222. Mart. Ft. Braf. 24. t. 53.— Dolichos bulbosus, L. 

 D. articulatus, Lam. D. subracemosus, Jacq. ? P. articulatus, Walp. Tamiocarpum, 

 Desv. — Rhizoma tuberiferous ; leaflets 4"-3" diam. ; standard roundish-ovate, 8 m -6 n ' long ; 

 legume straight, glabrescent, subflexuose on the margins : seeds compressed-roundish. — Hab. 

 Dominica !, Imr. ; [Cuba ! and Mexico ! to Brazil ; East Indies !, China !, Madagascar !, 

 propagated by culture]. 



34. VIGNA, Sta. 



Calyx campanulate, 4— 5 -fid. Standard roundish, auricled at the base. Stamens dia- 

 delphous. Style cartilaginous above and hairy: stigma lateral. LegunQ) snbcylindrical, 

 straightish : seeds separated by thin, spurious dissepiments. — Stem twining or prostrate ; 

 leaves %-foliolate, stipellate ; peduncles axillary, bearing capitate umbels or short%icemes : . 

 flowers usually yellow. 



94. V. luteola, Benth. Stem twining or prostrate ; leaflets ovate, glabrous or gla- 

 brescent ; pedicels shortly racemose, shorter than the calyx ; calyx 4,-fid, 4 times exceeded 

 by the corolla : lobes subulate, as long as the tube ; keel obversely deltoid, pointed ; legume 

 pubescent with appressed down, or glabrate, oblong-linear, subcompressed, with the valves 

 convex, mucronnlate, 8-10-seeded, often contracted between several of the seeds : seeds 

 shining brown, with a white hilum, semiovoid-globose. — Mart. FL Bras. 24. t. 50./. 2. — 

 Dolichos, Jacq. D. repens, L. {ex. syn., P. Br.). D. luteus, Sw.I V. glabra and villosa, 

 Sav. — Variable in the down, the leaflets bluntish or pointed, the upper calyx-lips pointed or v^ 

 bluntish, the legume tornlose or equal. Corolla pale-yellow, 6"'-8'" long; legume 2 m long, 



3'" broad: seeds 2'" long. — Hab. Jamaica!, Sw., Macf., LHst., March, common in marshes 

 along the seashore !, Antigua !, Wullschl. ; Dominica !, Imr. ; S. Vincent !, Guild. ; [Florida ! 

 and Texas ! to Peru ! and Buenos Ayres !]. 



95. V. vexillata, Rich. Stem twining; leaflets ovate-lanceolate or ovate, pointed, 

 hairy beneath or glabrescent ; pedicels 2-4, in a contracted umbel, shorter than the calyx ; 

 calyx 5-fd, twice exceeded by the corolla : lobes lanceolate, acuminate, as long as the tube : 

 keel circinate-falcate, uuilaterally auricled at the claw j legume hairy or glabrescent, linear, 

 cylindrical, obliquely acuminate, 20-24-seeded : seeds brown, with a white hilum, reniform- 

 oblong.— Jacq. Find. t. 102. Mart. It, Bras. 24. t. 50. /. 1.— Phascolus, Z.— Corolla 



o 2 



