70 CXXIIIc. MORACEH (Rendle). [ Dorstenia. 
Leaves thinly succulent, broadly elliptic, obtuse, cuneately narrowed 
at the base, margin irregularly broadly and obtusely dentate, up 
to 14 in. long, 2 in. wide, minutely and densely puberulous on each 
surface; the thick midrib and upwardly curving lateral nerves 
(4-6 on each side) very prominent beneath; petiole about } in. 
long. Stipules slender, subulate, grey-puberulous. Inflorescences 
solitary ; stalk as long as the petiole; receptacle quadrangular or 
triangular, 24 lin. in diam., with a margin } lin. broad, a linear 
bract 1 lin. long from each angle and a shorter bract (barely 3 lin. 
long) from the middle of each side. Male flowers 1—3-androus ; 
perianth very short, 3-4-lobed ; female distributed throughout the 
receptacle; ovary ovoid; style slender; stigma capitate. Fruit 
laterally compressed, lenticular; endocarp thinly crustaceous, 
warty. 
Mozamb. Distr. German East Africa : Usambara ; Mbalu, 4300 to 5000 ft., 
Engler, 1512. 
89. D. Preussii, Schweinf. ex Engl. in Engl. Jahrb. xx. 148. 
A small plant 4-6 in. high; stem slender, erect from a horizontal 
rhizome, leafy at the apex, pubescent as are the petioles. Leaves 
ovate or elliptic, apex subobtuse, base acute or obtuse; margin 
undulate, ?-1} in. long, 5-10 lin. wide, sparsely hairy ; petiole 1-1} 
lin. long. Stipules minute, deciduous. Inflorescence solitary in the 
axils of a few of the upper leaves; stalk very slender, ? in. long; 
receptacle trilobed, scarcely 5 lin. broad, margin denticulate, each 
lobe passing into a linear bract-arm 23-6 lin. long. Male flowers 
1—3-androus ; female few in the middle of the receptacle ; style 
simple. Endocarp pale green, subglobose, keeled on the ‘back and 
with tuberculate sides, ? lin. in diam.—Engl. Monogr. Morac. Afr. 
21, t. viii., fig. D. 
Upper Guinea. Sierra Leone: Sugar Loaf, Preuss. 
Var. latedentata, Engl. in Engl. Jahrb. li. 432. Leaves ovate, shortly 
acuminate, 1}-3} in. long, 1 to nearly 2 in. broad, margin broadly dentate ; 
petiole 3-} in. long. Slender arms of receptacle 3-1} in. long. 
Upper Guinea. Cameroons; Bipinde, Zenker, 4598 ! 
90. D. barnimiana, Schweinf. Pl. Nilot. 36, t. 12. Acaulescent, 
leaves and peduncles springing from a depressed globose tuber, 
- 13-2 im. in diam., and about 1 in. thick, bearing on its surface 
numerous fibrous roots. Leaves long-petioled, somewhat fleshy, 
the earlier ones shortly cordate, the later cordate-ovate, blunt, 
with margin undulate or obtusely dentate, sometimes denticulate 
in the early leaves, 2-3 in. long, 2-24 in. wide, puberulous when 
young, ultimately glabrous, palmately nerved, generally with 
sharper median and a pair of lateral branching nerves springing 
from the base ; ultimate leaf sometimes 3-sect, the lateral segments 
