250 DIOSCOREACES (Baker). [ Dioscorea. 
campanulate, 4-4 in. diam. when expanded; segments ovate, acute ; 
fertile stamens 3; filaments 2-3 times as long as the minute sub- 
globose anthers; rudimentary pistil absent; female spikes lax, 
solitary, simple, 4-43 in. long; bracts ovate acuminate, } as long as 
the glabrous ovary; perianth with 3 minute staminodia; fruit 
unknown. Testudinaria rupicola, Ecklon MSS. 
Soutn Arrica : without locality, a specimen from Berlin Botanie Garden ! 
Eastern Recion: Griqualand East; at the foot of Mount Currie, 5300 ft., 
a 1433! MacOwan and Bolus, Herb. Norm., 468! Natal; Inanda, Wood, 
8. D. undatiloba (Baker in Journ. Bot, 1889, 2); stems very 
slender, very twining, glabrous ; leaves alternate; petiole about an 
inch long; blade cordate-deltoid, membranous, glabrous, bright 
green, 2-3 in. broad, palmately 7-lobed more than halfway down to 
the petiole, the central lobe the largest, conspicuously mucronate, 
repand-pinnatifid, ‘riplinerved from base to apex, the two lobes on 
each side of it also repand, obliquely truncate at the apex, the 4 
others shorter and entire ; male flowers in lax simple racemes 1-2 in. 
long ; pedicels nearly as long as the flower, subtended by an ovate- — 
lanceolate bract.; perianth campanulate, 4 in. long ; segments ovate, 
acute; female flowers in lax spikes 3-4 in. long; ovary clavate, 
glabrous, 3 in. long; perianth campanulate; segments ovate — 
lanceolate ; fruit not seen, 
Eastern Recion: Natal; without precise locality, Gerrard, 1617 ! 
9. D. (Helmia) dregeana (Baker); stems stout, very twining, 
pubescent ; leaves alternate ; fully developed petiole 3-4 in. long ; 
blade digitately trifoliolate ; leaflets 3-8 in. long, thin but firm in 
texture, green, pubescent beneath, the end one obovate cuspidate, 
triplinerved from basa to apex, the side ones obliquely ovate, much 
produced on the lower side; male flowers in ample panicles in 
sessile globose clusters spaced out on the slender, spreading, pubescent 
branches ; perianth campanulate, , in. long; segments ovate; bracts 
ovate, very hairy, about as long as the clusters; fertile stamens 6; 
female flowers in ample panicles, with spreading spicate branches ; 
perianth-segments very small, ovate; ovary linear-oblong, densely 
pubescent, } in. long; capsule oblong, deflexed, 14-2 in. long; 
seeds with a semiorbicular apical wing about the breadth of the 
nucleus. Helmia dregeana, Kunth, Enum. v. 437. 
Eastern Reoron: Pondoland; between St. John’s River and Umtsikaba — 
River, 1000-2000 ft., Drége, 4502b! Griqualand East; Malowe Woods, 4000 ft, 
Tyson, 1584! and MacOwan and Bolus, Herb. Norm., 1204! Natal; Inanda, 
Wood, 417! 429! Durban, Sanderson, 461! Rehmann, 8575! and without 
precise locality, Gerrard, 1455 ! 
A near ally of the Tropical Asiatic D. demona, Roxb. 
10. D. microcuspis (Baker); stems slender, twining, glabrous ; 
leaves membranous, glabrous, digitately 5-foliolate; leaflets sessile, 
oblong, about 3 in. long, usually acute, with a minute cusp, the end 
one rarely retuse and emarginate, the outer ones with an oblong 
