52 CXXIIIc. MORACEZ (Rendle). | Dorstenia. 
subulate, subpersistent. Inflorescence solitary ; stalk about 3 in. 
long; receptacle narrowly elongate-triangular, becoming almost 
linear above the middle, keeled, finely pilose on the stalk and keel, 
about 14 in. long, produced above into a slender awn 1} in. long, 
base shortly produced beyond the stalk, mucronate. Male flowers 
2-androus, apparently sometimes l-androus; perianth broadly 
2-lobed, lobes obscurely toothed ; female flowers few in the median 
line in the lower half, absent from the narrower linear-tapering 
upper portion ; style projecting from the tubular perianth, 2-fid.— 
Engl. Monogr. Morac. Afr. 20 and in Schlechter, Westafr. Kautsch.- 
Exped. 286; Th, & Hél. Durand, Syll. Fl. Congol. 503. D. psilurus, 
Welw., var scabra, Bureau in DC. Prodr. xvii. 273. 
Upper Guinea. Southern Nigeria: Nun River, Barter, 2089 ! 
South Central. Belgian Congo: Coquilhatville, Schlechter, 12607. 
Var. subintegrifolia, Rendle. A plant apparently of laxer growth with 
longer stalked, narrowly elliptic to obovately elliptic leaves narrowing to the 
base, up to 7 in. long and 24 in. wide, with petioles up to 1? in. long. 
Receptacle 13-24 in. long ; stalk 3—} in. long ; apical bract slender, up to 3} in. 
long, the prominent basal portion produced into a bract 4 in. long.—D. 
psilurus, var. subintegrifolia, De Wild. Etudes Fl. Bas- et Moyen-Congo, iii. 
64. D. scabra, var. longicaudata, Engl. in Engl. Jahrb. li. 431. 
Upper Guinea. Cameroons: Bipinde, Zenker, 1526! 4492! 
North Central. French Congo: Infondo, on the River Ubangi, Baudon, 
976! 
South Central. Belgian Congo: Mogandjo, Laurent, 1999! 
50. D. tenuifolia, Engl. in Schlechter, Westafr. Kautsch.-Exped. 
286 (name only), and in Engl. Jahrb. xxxiii. 116. A herb about 
10 in. high ; stem covered with short hairs, more densely so in the 
upper part; internodes numerous, short, barely } in. long. Leaves 
membranous, oblong-lanceolate, apex obtuse, base acute, about 
3 in. long, 1 in. wide, upper face sparsely pilose, pale beneath and 
glabrous except on the midrib; lateral nerves 6-7 on each side, 
slender, spreading, uniting near the margin; petiole 5 lin. long. 
Receptacle resembling that of D. scabra, about 3 in. long, barely 
¢ in. wide above the base; apical bract somewhat shorter than, 
or as long as the receptacle ; basal bract barely } in. long ; peduncle 
about 4 in. long. Male flower not known; fruit about 1 lin. in 
diam. ; endocarp minutely warted. 
Upper Guinea. Cameroons : between Mafura and Mundame at about 1000 ft., 
Schlechter, 12920. 
51. D. Stolzii, Hngl. in Engl. Jahrb. li. 432. A strong-growing 
erect herb, with pale rhizome and shoots 12-16 in. long, 24-3 lin. 
thick, smooth, shining and violet below, densely leaved and densely 
hairy above with internodes 14-24 lin. long. Leaves herbaceous, 
lanceolate or oblong, margin grossly and broadly dentate, 3-4} in. 
long, 14-1} in. wide, upper face sparsely pilose, the lower pilose 
