Vigna. | XLVII. § PAPILIONACEH (BAKER). 207 
a line long, glabrous. Calyx campanulate, glabrous, } in. deep; teeth 
very short, subdeltoid, the upper ones connate. Corolla yellowish- 
green, half an inch deep. Pod 2-3 in. long, curved, glabrous, subterete, 
qin. thick, slightly torulose when mature, 4—6-seeded.—Scytalis anomala, 
Vogel in Nov. Act. Acad. Cees. Leop. 19, suppl. i. 82. V. anomala, 
Walp. Rep. i. 779. _V. retusa, Walp. Rep. i. 773, Harv. Fi. Cap. ii. 
242. Sceytalis retusa, E. Meyer, Comm. 147. 
Mozamb. Distr. Zambesi land, Dr. Kirk! 
Also a plant of Tropical Asia, Australia, Polynesia, America, and the Cape. 
65. VOANDZETIA, Thouars; Benth. et Hook. f. 
Gen. Plant. i. 539. 
Calyx minute, campanulate, with five subequal teeth reaching half- 
way down. Standard obovate, the base appendiculate, with small inflexed 
auricles ; wing's oblanceolate, as long as the standard; keel boatshaped, 
not rostrate. Stamens diadelphous; anthers roundish. Ovary sub- 
sessile, 1-2 ovulate ; style incurved, bearded upwards; stigma shghtly 
oblique. Pod ripening beneath the ground, roundish, 1—2-seeded. 
A single species. 
1. V. subterranea, Thouars; DC. Prod. ii. 474. Petioles slender, 
8 in. long, arising from a wide-creeping pubescent rhizome ; leaflets 
3, oblong or lanceolate, 14—3 in. long by half or quarter as broad, both 
sides glabrous or the lower finely bristly on the nerves ; petiolules 6-9 
lines long ; stipelle minute, blunt. Peduncles flexuous, bearing 1—3 
flowers, at first 2-6 lines long, cernuous. Calyx a line deep. Corolla 
yellow, 3-4 lines long, often abortive. Peduncle becoming elongated 
and detlexed, so as to thrust the ovary into the soil, where it becomes a 
tuber-like pod, half an inch or more long, containing one or two small 
yellow mottled seeds.—Guill. et Perr. Fl. Seneg. 254. 
Cultivated ail through Tropical Africa. The native country not clearly known. 
66. PACHYRHIZUS, Rich.; Benth. et Hook. f. 
Gen. Plant. i. 540. 
Calyx with the two u per teeth subconnate, the others equal, lanceo- 
late, Standard Prind ohtvate, appendiculate at the base with inflexed 
auricles ; wings oblong, falcate; keel incurved, obtuse, ete the 
wings. Stamens diadelphous or monadelphous ; anthers uniform. Ovary 
subsessile, multiovulate; style moderately thick, the apex subinvolute, 
flattened on the inner side ; stigma globose, oblique. Pod linear, sub- 
7 ahieeete depressed transversely between the seeds and septate within. 
—Climbing herbs. 
Two or perhaps three species, one of which inhabits Mexico, 
Stamens diadelphous; bracts setaceous. . . . + = - 1. P. an —- 
tamens monadelphous; bracts lanceolate. . . . . . + + + 2 Porbicularis. 
