264 CXXIIIp, URTICACE (Rendle). [Urera. 
the petiole, with numerous stinging hairs. Flowers sessile or sub- 
sessile, just over $ lin. long; perianth sac-like, completely enveloping 
the ovary which is ovoid with a definite oblique apex which projects 
through the mouth of the perianth and bears a short densely peni- 
cillate round stigma. Achene deep brown, 1} lin. long, enveloped 
in the succulent perianth, the short beak-like oblique apex alone 
projecting. 
os ec Distr. Zanzibar: in damp shady valleys at Kidoti, Hildebrandt, 
15. U. repens, Rendle. A low herb with a persistent thin woody 
glabrous creeping stem up to 14 lin. in diam., rooting at the nodes. 
Leaves long-stalked, cordate, somewhat abruptly shortly acuminate, 
margin very obscurely crenate, 3-nerved at the base, with 4 pairs of 
opposite upcurving nerves above; nerves slender and somewhat 
prominent beneath, as are the slender cross-unions ; 23-4 in. long 
and slightly wider, thinly membranous when dry, glabrate, both 
faces with visible cystoliths, which are shortly linear on the nerves 
and veins and dot-like between ; petiole slender, 4—6 in. long, longi- 
tudinally furrowed when dry, puberulous. United stipules short, 
ovate, acuminate, persistent, 2 lin. long. Male inflorescences corym- 
biform, springing from leafless nodes ; peduncles slender, as long as 
the petioles and similarly puberulous ; flowers subumbellate at the 
ends of the slender branchlets ; pedicels 1-14 lin. long, glabrescent, 
with a minute basal bract ; buds depressed globose, about ¢ lin. in 
diam. ; perianth deeply 5-partite, segments concave, ovate, with a 
few short stinging hairs on the back; rudimentary ovary short, 
inverted-turbinate. Female flowers and fruit unknown.—Laportea 
repens, Wedd. in DC. Prodr. xvi. i. 81. 
Upper Guinea. Fernando Po, Mann, 1424! 
The characters of the foliage suggest Urera rather than Laportea, especially 
the form and arrangement of the cystoliths. 
Imperfectly known species. 
16. U. Fischeri, Engl. Pjl. Ost-Afr. C. 162. A climber with stem 
thinly hairy. Leaves large, ovate, rather obtuse, margin with very 
short broad teeth, 6 in. long, 4? in. wide, sparsely hairy on the uppe? 
face, densely and softly hairy below ; petiole half as long as the leaf, 
thinly hairy and bearing towards the apex long linear or forked out- 
growths. Female inflorescence forming a rather dense panicle 
longer than the petiole. 
Mozamb. Distr. German East Africa: without precise locality, Fischer, 117. 
$7.0. engleriana, Dinter, Deutsch-Stidw.-Afr. 54 (nomen abort.). 
| A tree 18 ft. high, “1 ft, thick,” with dark cortex and ascending 
