Urera.] cxxiiid. URTiCACEiE (Kendle), 263 



Stipules elongated-triangular, about 3J lin. long, very caducous. 

 Inflorescences in the leaf-axils, male with a short peduncle, laxly 

 branched, armed with stinging hairs, about 2} in. long and IJ in. 

 broad, branchlets pilosulose ; flowers subsessile ; perianth green, 

 4-partite, about 1 lin. long ; female shorter than the male, many- 

 flowered, branched, about H in. long and 1 in. broad, armed with 

 very numerous stinging hairs ; flowers barely exceeding h lin. ; 

 stigma capitate. Achene red, exceeding the perianth, about 1 lin. 

 long and J lin. broad. — De Wild. & Durand, Relic]. Dewevr. 218 ; 

 Th. & Hel. Durand, Syll. Fl. Congol. 512. 



South Central. Belgian Congo : Coquilhatville, DewHre. 



Perha[>s not distinct from U. cameroonevsis, Wedd. 



13. U. usambarensis, Rendle in Journ. Bot. 1916, 370. Stem 

 glabrous and unarmed, in second season up to 2 lin. thick, with an ash- 

 coloured striated cortex. Leaves elliptic to obovate, apex acuminate, 

 base obtuse, rounded or obscurely cordate, margin entire, conspicuously 

 3-nerved at the base with usually one weaker ascending lateral nerve 

 on each side in the upper part, one or both of these upper nerves may 

 be absent, l|-2-| in. long, 1-lJ in. wide, leathery when dry, glabrous, 

 sparsely and inconspicuously marked with short linear cystoliths 

 on the lower face ; petiole slender, tJ— J in. long. Stipules ovate, 

 acute, barely 2 lin. long. Inflorescences (male) glabrous, axillary on 

 the young portion of the main shoot and its short young lateral 

 branches, 2-3 in. long, lateral branches spreading ; flowers in sessile 

 clusters on these or short branches of a higher order ; pedicels short, 

 about J lin. long ; bud about 1 in. in diam. ; perianth 4-partite, 

 segments ovate, concave, glabrous. 



Mozamb. Distr. German East Africa : Usambara ; Dercma, Volkeyi.t, 122 1 

 Scheffler, lOG ! 



The plant referred to by Engler {Clied. Veg. V.'^amhma. 51) under tlie 

 name Vrera oborafn, Henth., as climbing on high tives is iH'rhaps tliis s[H'cics ; 

 Scheffler's s))ecimen no. 10(i cited above was distributed under this name. 



H. U. sansibarica, Engl Pfi. Ost-Afr. C. 162. A climbing shrub 

 13 ft. long; stem stout, densely covered with numerous broad 

 branched outgrowths bearing stinging hairs, surface of stem also 

 densely hairy. Leaves shortly stalked, thick in texture, elliptic to 

 ovate, weakly acuminate, base cordate, margin closely dentate, 

 teeth blunt, with 3 lateral ascending nerves on each side above the 

 3-nerved base, 3-4 in. long, 1^-2 J in. wide, upper face rough with 

 dense white appressed hairs and numerous dot-like cystoliths, lower 

 face bearing a dense short grey-white tomentum between the con- 

 spicuous network of veins ; petiole 6-10 lin. long, bearing numerous 

 simple or 2-3-fid outgrowths smaller than but similar to those on 

 the stem. Female inflorescence dense, much branched, exceeding 



