526 LXIV. CUCURBITACEZ (HOOKER). [ Heterosicyos. 
1. H. polymorpha, Welw. in Trans. Linn. Soc. xxvii. 34. Stem 
erect, 3-6 in., simple or 1-2-branched, flexuose, sulcate, at length gla- 
brescent, from a tuberous turnip-like root. Leaves varying from entire 
lanceolate to variously ovate lyrate or obcuneate or 3—5-lobed, inter- 
mediate lobe longer and broader ; petiole 1 line long. Flowers axillary 
puberulous. Corolla-limb brownish purple; segments patent, 1}-2 
lines long, densely papillose within. Berry obovoid or subglobose, 
smooth, 2—8-seeded. 
Lower Guinea. Huilla, Angola, Dr. Welwitsch! 
2, H. stenoloba, Welw. i.c. Stem slender, erect, 5—8 in., sparingly 
branched, flexuose, sulcate, densely pubescent, from a turnip-lke root. 
Leaves 3-partite, segments divaricate, narrowly linear, 2-4 in. long, 
4-1 line broad, pubescent. Male fl.: Axillary, ‘nodding, mostly soli- 
tary; corolla-limb straw-yellow ; segments narrower and more acute 
than H. polymorpha. Female flower and fruit not seen. 
Lower Guinea. Huilla, Angola, Dr. Welwitsch ! 
The above descriptions are taken from Dr. Welwitsch’s memoir. 
‘ 
4, PEPONIA, Naud.; Benth. et Hook. f. Gen. Plant. i. 823. 
Moneecious. Male fl.: Solitary or racemose. Calyx-tube funnel- 
shaped, globose at the base; lobes 5. Corolla rotate; lobes 5, obovate. 
Filaments 3, free, inserted within the calyx-tube ; anthers coh 
linear, one 1-celled, two 2-celled, cells conduplicate, not tramsvers@1y 
waved, connective not produced. Rudiment of ovary glandular. 
Female fl.: Solitary. Ovary oblong; style columnar, stigma 3-partile; 
ovules many, on 3 placentas. Fruit ovoid or cylindric, fleshy. Seeds 
many, obovoid, compressed, black; testa smooth, crustaceous.—Pro- 
strate or climbing African herbs. Leaves entire or lobed, toothed. 
Tendrils simple or divided. Flowers large, white or yellowish. 
Leaves 5-lobed to or near the middle. Calyx-tube 1 in. bine 5 45 Vogelit. 
Leaves 5-7-lobed to the middle. Calyx-tube }in.long . . . 2. B Cienkowskt. 
Leaves broadly reniform, obscurely 5-lobed > . . . . 3. P. lagenarioides. 
1. P. Vogelii, Hook.f. Stem slender, laxly villous with spreading 
flaccid articulate hairs, which clothe more or less the petioles bot 
surfaces of the leaves and inflorescence. Leaves 14-4 in. broad, mem- 
branous, upper surface here and there papillose with minute white dots, 
orbicular-reniform in outline, deeply cordate with a broad sinus at the 
base, subpalmately 5-lobed to about the middle ; lobes broadly oblong, 
rather broadest above the base, irregularly shallowly crenate-toothed; 
pene $—$ in. long. Male peduncles ‘axillary, solitary, 14-23 
ong, 1-flowered. Calyx-tube 1 in. long, contracted above the sphet 
cal base, then subcylindric; lobes subulate, half as long as the tube. 
Petals pe sulphur-coloured (Barter), white (Vogel), subacute, 
3-nerved, pubescent. 
Upper Guinea. Fernando Po, Vogel! Lagos, Barter! -f 
Barter’s specimen is smaller and more delicate than Vogel’s; but I see no other dit 
