260 cxxiiiD. URTIOACE^ (Rendle). [Urera. 



supported by simple or forked protuberances bearing short stinging 

 hairs ; perianth shallowly 4-lobed with margin ciliolate, about half 

 the length of the broadly ovoid ovary which is about ^ lin. long. 

 Fruit " a scarlet berry." 

 Upper Guinea. Southern Nigeria : Oban, Talbot, 618 ! 1502 ! 



8. U. Mannii, Benth. et Hook. /. Gen. PI. iii. 383. A shrubby 

 climber with stems 15-20 ft. long ; branches unarmed, reddish or 

 reddish-green, young parts pubescent or puberulous. Leaves 

 elliptic or elliptic-ovate, apex abruptly and shortly acute, base 

 cordate, often only slightly, margin crenate-dentate, base 3-nerved, 

 with 3^ ascending lateral nerves on each side curving to unite within 

 the margin, 3-6 in. long, 2J-3J in. wide, upper face with appressed 

 short stinging hairs and sparsely pubescent or glabrous, lower face 

 pubescent with short stinging hairs on the veins, cystoliths short, 

 linear, more or less conspicuous on the upper face, closely following the 

 venation, or absent from the lower ; petiole 1-lf in. long, pubescent 

 and with short stinging hairs, or puberulous. Stipules ovate, long- 

 acuminate, J in. long, pubescent, caducous. Female inflorescence 

 much branched, up to 4 in. long and about 3^ in. broad, branches 

 somewhat flattened, primary spreading, up to IJ in. long, secondary 

 up to f in. long, the short tertiary or quaternary branches few- 

 flowered, bearing a tuft of stinging hairs below the short pedicels. 

 Ovary shortly ovoid, about J lin. long, at first completely enveloped 

 in the sac-like perianth, above which the round ferruginous tufted 

 stigma projects. Achene broadly subcompressed-ovoid, enveloped 

 except at the extreme tip by the fleshy yellow perianth, which is 

 barely 1 lin. long and is frequently split into two valves. — U. Graven' 

 reuthii, Engl, in Engl. Jahrb. xxxiii. 120. Scepocarpus Mannii, Wedd. 

 in DC. Prodr. xvi. i. 98. 



Upper Qninea. Fernando Po, Mann, 176 ! Cameroons : Buea, 4000 ft., 

 Preuss, 909 ! 



Var, paucinervis, Rendle in Journ. Bot. 1916, 370. Leaves smaller than in the 

 type, tending sometimes to obovate-elliptic, with 2 (rarely 3) lateral nerves on 

 each side above the 3-nerved base ; indumentum as in the species. Female 

 inflorescences in the upper leaf-axils, ovate in outline, up to 4 in. long including 

 the peduncle (1 J in.), branches spreading ; ovary ovoid, bearing at its oblique 

 apex the circular tuft of short stigmatic hairs and protruding above the shallowly 

 lobed perianth. 



Upper Ouinea. Southern Nigeria : Lagos, Dalziel, 1021 ! 



9. U. cordifolia, Engl, in Engl. Jahrh. xxxiii. 121. A climber with 

 purplish branches armed with numerous compressed elongated- 

 triangular and 2- to 3-forked spines ending in stinging hairs ; flower- 

 ing shoots 2J-5 lin. thick. Leaves ovate-cordate, acuminate to 

 acute, margin undulate, lateral nerves 4 on each side, ascending, 

 secondary nerves numerous, transverse, somewhat prominent 



I 



