Dorstenia.} CXXIlIc. MORACEZ (Rendle). 65 
below the margin, 11-15, spreading in a whorl, subequal, linear, 
blunt, thickening and sparsely puberulous towards the apex, 7-11 
lin. long, about 4 lin. wide. Male flowers 2-androus with a bluntly 
2-lobed perianth ; female numerous ; style deeply 2-lobed.—Th. & 
Hél. Durand, Syll. Fl. Congol. 503. 
South Central. Belgian Congo: Katanga; Lukafu, Verdick, 294! 
Plant known only from three cut off shoots about 4 in. long. 
77. D. Hildebrandtii, Hngl. in Engl. Jahrb. xx. 146. Stem erect, 
6-8 in. long, about 24 lin. thick, succulent, slightly branched, very 
minutely puberulous below the leaves, otherwise glabrous. Leaves 
sessile, fleshy, lanceolate, acute, narrowing cuneately to the base, 
anterior margin shortly sinuate-dentate, 14 in. long, 5 lin. wide; 
lateral nerves not prominent. Stipules subulate, 1 lin. long. Peduncle 
23-5 lin. long, minutely and densely puberulous ; receptacle dark 
purple, suborbicular, 23 lin. in diam.; bracts 5-7, linear-tapering, 
very unequal, 2-24 lin. or less, with intervening unequal triangular 
teeth, minutely puberulous. Female flowers numerous ; style 2-fid. 
Endocarp ovate, about $ lin. long, verruculose except on the ventral 
aspect.—Engl. Pfl. Ost-Afr. C. 161 and Monogr. Morac. Afr. 23, t. 
vi. B. 
Nile Land. British East Africa: Taita; Buityuma, Hildebrandt, 2050. 
78. D. Homblei, De Wild. in Fedde, Repert. xiii. 195. Perennial 
by means of a fleshy rounded or depressed concave tuber 2—24 in. 
wide. Stem solitary, erect, apparently succulent, cylindrical, 
unbranched, up to 1 ft. high, leafy in the upper third and pubescent, 
bearing stipulate leaf-scales at the lower nodes. Leaves aggregated 
at the apex, very shortly stalked, oblanceolate-elliptic, apex blunt, 
base cuneate, margin irregularly denticulate, up to 23 in. long by 
11 lin. wide, softly hirtellous especially on the nerves; lateral 
nerves about 10 on each side, ascending. Stipules linear, blunt, up 
to 2} lin. long. Petiole 1 lin. long or less. Inflorescence solitary, 
axillary; stalk 7-9 lin. long, hirtellous; receptacle as in D. 
benguellensis, but larger, 8-9 lin. in diam., with 14-16 slender linear 
bract-arms, 4-1 in. long. Flowers and fruit as in D. benguellensis. 
Endocarp about 4 lin. in diam. 
South Central. Belgian Congo: Katanga; Katentania, Homblé, 730! 
79. D. mirabilis, R. E. Fries in Arkiv. Bot. xiii. no. i. 13, t. 2, 
fig. 3. Tuber large, 3-42 in. in diam., $-1} in. high, depressed- 
globose, concave above, surface verrucose, with fibrous roots springing 
from the warts. Stems erect, solitary or 2 or 3, from the centre of 
the tuber, succulent, 6-8 in. high, densely clothed with very short 
Spreading whitish hairs, leafy im the upper third with internodes 
#-1} in, long, below bearing ovate- or narrowly-triangular acute 
FL. TROP. AFR. VI. SECT. If. PART I. F 
