420 CXXXIX. DIOSCOREACEE (BAKER). | Dioscorea. 
Jurth, 365! Galabat: Matamma, Schweinfurth, 589! 591! Abyssinia, Schimper ! 
Quartin-Dillon. British East Africa: Niamniam ; Tuhamis Seriba, Schweinfurth, 
3779! 
Lower Guinea, Island of St. Thomas: Correa, 150 ft., Quintas, 104! 
Angola: Golungo Alto, Welwitsch, 4052 ! 
Mozamb. Dist. Portuguese East Africa: Morambala Mountain, Kirk! 
Lupata, on the River Zambesi, Kirk! British East Africa: Nyasaland; Manganja 
Hills, Meller! Namasi River, Cameron! Shire Highlands, Buchanan, 184! Upper 
Shire Valley, Kirk ! Shibisa (Chikwawa) to Tshinmuzo, Kirk ! and without precise 
locality, Buchanan, 46! 204! 
16. D. phaseoloides, Pax in Engl. Jahrb. xv. 149. Stems slender, 
twining, unarmed, pubescent. Leaves alternate, distinctly petiolate, 
trifoliolate, subcoriaceous, pubescent on both sides; leaflets obscurely 
stalked ; end leaflet oblong, with a distinct mucro, 2—24 in. long, ? in. 
broad at the middle; venation pinnate ; side leaflets slightly obtuse. 
Male flowers in short dense spikes fascicled in the axils of the leaves or 
produced from leafless nodes ; bracts broadly ovate, cuspidate, densely 
pubescent. Male flowers seen only in the bud stage. Female flowers 
and fruit unknown. 
Wile Land. British East Africa: Niamniam ; at Gumango’ Hill, Schweinfurth, 
3928 ! 
17. D. Vespertilio, Benth. in Hook. Niger Fl. 538. Whole plant 
quite glabrous. Leaves alternate, subcoriaceous, trifoliolate, long- 
petiolate ; leaflets distinctly stalked, the end one obovate-oblong, obtuse, 
rounded at the base, 2-3 in. long, 1-14 in. broad above the middle, 
with 1-2 alternate veins branching from the midrib. Flowers unknown. 
Capsule with an axis 1-1} in. long and two transversely oblong wings 
if in. long. Seeds unknown. 
Upper Guinea. Sierra Leone, Don! 
No specimen in the Kew Herbarium. 
18. D. (Helmia) beccariana, Martelli, Fl. Bogos. 83. Stems 
slender, twining, unarmed, pubescent upwards. Leaves alternate, 
distinctly petiolate, 5-foliolate when fully developed, membranous, sub- 
glabrous or more or less pubescent ; leaflets obscurely stalked, obovate 
or oblong, distinctly mucronate, obtuse or acute, penninerved, reaching 
3—4 in. long, 14 in. broad. Male flowers in dense fascicled shortly 
peduncled axillary spikes, sometimes from leafless nodes; bracts ovate, 
cuspidate, membranous, pubescent, twice as long as the flowers. Male 
perianth pubescent, ṣẹ in. diam.; outer segments ovate, obtuse ; Inner 
narrow. Fertile stamens 3, shorter than the perianth. Female 
flowers in long lax spikes. Ovary cylindrical, densely pubescent. 
Capsule oblong, acutely angled, glabrous, ł in. long. Seeds 2 in. long, 
with a basal oblong wing 3 times the length of the nucleus.— 
D. schweinfurthiana, Pax in Engl. Jahrb. xv. 149. D. pentaphylla, 
A. Rich. Tent. Fl. Abyss. ii. 317, not of Linn. D. quartiniana, Eng). 
Hochgebirgsfl. Trop. Afr. 172, not A. Rich. D. quartiniana, var. 
pentadactyla, Pax in Engl. Jahrb. xv. 148. Botryosicyos pentaphyllus, 
