60 cxxiiic. HORACES (Rendle). [Dorstenia. 



a short grey pubescence in the youngest stage. Leaves shortly 

 stalked, stiff, obovate-elliptic to oblong, shortly and abruptly 

 acuminate, base cuneate to rounded, margin undulate, sometimes 

 coarsely and irregularly dentate in the upper third, 3J-6J in. long, 

 1J-2| in. wide, glabrous ; lateral nerves 5-7 on each side, ascending, 

 then upwardly curving and uniting within the margin, impressed 

 on the upper, slightly prominent, as also are the veins, on the 

 lower surface ; petioles lJ-4 lin. long. Stipules acutely tapering 

 from a triangular base, subpersistent, 3 lin. long. Inflorescence 

 solitary in the upper leaf-axils ; stalks 3-4 lin. long ; receptacle 

 boat-shaped, ultimately | in. long and 2J lin. broad, with a margin 

 2-2 J lin. wide passing at the base and apex into a densely and shortly 

 hairy bract-arm J in. long. 



Mozamb. Distr. German East Africa : Usambara ; Amani, 1600 ft., 

 Warnecke, 310 ! 



68. D. Smythei, Sprague in Kew Bulletin, 1908, 299. A shrub 

 6J-8 ft. high, with slender branches | lin. thick, puberulous above, 

 glabrescent below, young shoots pubescent ; internodes |-1J in. 

 long. Leaves oblanceolate or obovate-oblong, somewhat abruptly 

 acuminate at the obtuse or subacute apex, base cuneate, slightly 

 undulate-dentate above, 3-5J in. long, 1-2 in. wide, sparsely lepidote 

 on the upper face and sparsely puberulous beneath ; lateral nerves 

 8-10 on each side, prominent beneath ; petioles puberulous, 1 J-5 lin. 

 long. Stipules narrowly triangular, 1\ lin. long, acute, sparsely 

 puberulous on the outside, deciduous. Inflorescences solitary in the 

 upper leaf-axils ; stalks puberulous, barely J in. long ; receptacle 

 boat-shaped, up to J in. long, 2 lin. broad and 2 lin. deep in the 

 centre, puberulous, with an entire margin less than J lin. broad, 

 passing at each end into a straight ascending linear glabrous bract 

 barely f in. long. Male flowers numerous, 2-androus ; perianth 

 2-partite, papillose outside ; female flower solitary in the centre 

 of the disc, a pair of recurving stigmas protruding from the tubular 

 perianth ; style about 1 lin. long. 



Upper Guinea. Sierra Leone : Jepihun, Smythe, 237 ! Yolo forest, Unwin 

 d: Smythe, 52 ! 



69. D. angusticornis, Engl, in Engl Jahrh. xlvi. 274. A low 

 shrub with slender leafy branches |-1 lin. thick ; internodes J-1 in. 

 long, minutely puberulous like the petioles. Leaves shortly stalked, 

 papery when dry, broadly oblanceolate with a tendency to oblong, 

 apex very abruptly and narrowly acuminate, extreme tip rounded 

 and mucronate, base generally cuneate, margin weakly undulate, 

 4-6 in. long, 1J-2J in. wide, acumen J in. long, glabrous ; lateral 

 nerves 6-8 on each side, curving upwards and uniting below the 

 margin, prominent beneath ; petiole 2-3 lin. long. Stipules slender. 



