242 LEGUMINOS# (Harv.) [Vigna. 
acute, shorter than the tube; carina falcate, acute ; legume compressed, 
straightish, hook-pointed, subtorulose, pubescent. Scytalis helicopus, E. 
Mey.! Comm. p. 146. Zey.! 2412. Vigna helicopus, Walp. 
Has. Between Omsamculo and Omcomas, Drege / Thorfield, Albany, Dr. Ather- 
stone! Natal, Krauss/ 233. Zwartkops R., Uit., Zeyher / (Herb. Hk., Sd., D.) 
Stem long, climbing, with scanty, reversed, and very soft pubescence. Petioles 
2-5 inches long. Stipules and stipelle minute. Leaflets mostly ovato-lanceolate, 
but varying much in size, the larger 4-5 inches long, the smaller 1-1} inch, all pale 
green. Peduncles 5—10 inches long, closely many-flowered within an inch of the 
summit. Fl. greenish-yellow, 6—7 lines long. Pods 2-3 inches long, 2—3 lines wide, 
irregularly constricted. The two uppermost calyx-lobes are completely connate into 
one very broad one, which is shorter than the rest. A native of S. America, 
8. V. retusa (Walp. Rep. 1, p. 778); procumbent or voluble, her- 
baceous, glabrescent ; leaflets obovato-subrotund, retuse, the younger 
thinly puberulous, the old glabrous ; stipules minute, triangular-acute ; 
racemes equalling or exceeding the leaves, many-flowered, rachis at 
length spirally twisted ; calyx small, its segments ovate, half as long as 
the tube ; legumes torulose or moniliform, siraightish, pendulous. Scyta- 
lis retusa, E. Mey.! Comm. p. 147. . 
Has. Sandy, littoral hills between Omtendo and Omcomas, Drege! Port Natal, 
Gueinzius ! (Herb. Hk, Sd., D.) 
Stem long, weak, and soft, soon becoming glabrous. Petioles 1-2 inches long. 
Leaflets about two inches long and broad, somewhat cuneate and 3-nerved at base, 
very obtuse or retuse, pale green. Peduncles 3~4 inches long, the last inch florife- 
rous. Flowers yellow-green, 5—6 lines long. Legumes strongly constricted between 
the seeds, forming a succession of knobs. Near J. wail. Walp. 
(Species unknown to me. ) 
V, (Scytalis) tenuis (E. Mey.! Comm. p. 145) ; “glabrous; stem fili- 
form, voluble ; leaflets ovate or oblong, obtuse, the lateral ones gibbous 
on the outer margin, the terminal on both sides ; peduncles 2-flowered ; 
calyx-lobes from an ovate base produced ; legumes terete, straight, re- 
trorsely scabrid, subserrate at the margin.” 
VaR. a. ovata; “leaflets ovate ; legumes obsoletely serrate.” 
Var. B. oblonga; “ leaflets oblong ; legumes evidently serrate.” 
Has. Between Omtendo, Omsamculo, and Natal, Drege. 
V. (Seytalis) hispida (E. Mey. 1. c. 146) ; “stem voluble, retrorsely- 
hispid 3 leaflets broadly ovate, rounded at the point, ciliate, and spar- 
_ ingly pilose on both sides ; peduncles very long, furrowed, 2-flowered ; 
calyx-lobes lanceolate-acuminate, equalling the tube ; legumes straight, 
terete, hispidulous,” 
Has. Grassy hills near Omtata, Drege / 
| LVL DOLICHOS, L. 
Calyx campanulate, bilabiate, the upper lip bifid or subentire, the 
lower trifid. Veaillum spreading or Sarisbeart, equalling the carina, 
with 2-4-ridge-like callosities within ; ale oblong ; carina falcate or in- 
curved (or nearly straight), neither twisted nor bent to one side. Sta- 
mens diadelphous. Dise sheathing. Ovary substipitate, several-ovuled, 
