48 CXXIIIc. MORACEH (Rendle). [Dorstenra. 
2-lobulate. Male flowers 2-3-androus ; female with 2-fid style— 
De Wild. Pl. Thonner. Congol. ii. 299. 
South Central. Belgian Congo : Mongala ; Mongende, near Dundusana, at 
1500 ft., Thonner, 177 ! 
42. D. angusta, Engl. in Engl. Jahrb. li. 430. Stems herbaceous, 
about 20 in. high, densely hairy, as are also the petioles. Leaves thinly 
membranous, elliptic, apex shortly acuminate, narrowed at the 
base, entire or slightly undulate, about 4 in. long, 14 in. wide, glabrous; 
midrib thick ; lateral nerves about 8 on each side, curving upwards 
to unite within the margin, coarsely reticulate between the nerves ; 
petiole 7 lin. long. Stipules small, subulate. Inflorescences in twos 
or threes in the upper leaf-axils; stalk 24 lin. long; receptacle 
narrowly elliptic, 6 lin. long by 2 lin. wide, with a setulose bract 
from each end 7 lin. long. Male flowers 3-4-androus; perianth 
3-4-lobed ; female flowers distributed throughout the disc; style 
2-fid. _Endocarp crustaceous, smooth. 
Upper Guinea. Cameroons: Eduduma-Bidue, about 15 miles east of 
Batanga, Mildbraed, 6110. 
43. D. Buchanani, Engl. in Engl. Jahrb. xx. 142. Stem erect, 
flexuous, succulent, a foot long, bearing minute whitish hairs, as do 
the petioles and (when young) the leaves, especially on the back 
and nerves. Leaves probably succulent, elliptic, apex and base 
acute, margin obscurely sinuate-dentate, 2-4 in. long, }-1? in. wide ; 
lateral nerves 8-12 on each side, spreading-ascending ; petiole varying 
much in length from barely 2 up to.9 lin. long. Stipules small, linear- 
subulate, barely 1 lin. long, deciduous. Inflorescence solitary in the 
leaf-axils ; stalk attached somewhat below the middle, generally 
3-4 in. long ; receptacle narrowly oblong, about ? in. long, by } in. 
broad with a crenate margin and at each end a linear bract-arm 
originating below the margin, the upper 2 in. long, the lower narrower 
and much shorter. Male flowers 2-androus; perianth with two 
blunt rounded lobes; female distributed throughout the disc ; 
style projecting and dividing into two longcrimson arms. Endocarp 
angularly subglobose, with a dorsal crest and minutely tuberculate 
sides.—Engl. Monogr. Morac. Afr. 23, t. viii., fig. B. 
Mozamb. Distr. German East Africa: Mpwapwa, Kirk / British Central 
Africa: Nyasaland, Buchanan, 505! 
Var. longipedunculata, Rendle in Journ. Bot. 1915, 300. Apparently a 
smaller plant, about 6 in. high, with peduncles 2 in. or more in length; 
receptacle about 4 in. long; upper bract-arm 2-3 in. long, lower about 1 in. 
Mozamb. Distr. Portuguese East Africa : near Lake Nyasa, Johnson, 494 ! 
44. D. unicaudata, Engl. in Engl. Jahrb. li. 432. A herb with 
fleshy smooth branches which are leafless below. Leaves thin, 
elliptic, acute, abruptly narrowing at the base or decurrent into a 
