150 cxiii. PiPERACE^ (baker AND WRIGHT). [Peper(ytnia. 



surfaces, ciliolate on the margins, 5-nerved, thinly membranous when 

 dry, pellucid-punctate; petiole 5 lin. long. Spikes terminal, about 

 twice as long as the leaf-blade, filiform, not very densely flowered; 

 peduncle 1 in. long ; bracts orbicular, peltate, subsessile. Ovary ovoid, 

 not immersed in the rhachis ; stigma terminal. Berry sessile, globose, 

 roughly glandular when dry. 



Upper Guinea. Togo: in damp shady places at Misahohe, Baumann, 205. 



This is very closely allied to P. Molleri, from which it differs in having ciliolate 

 leaves and a terminal stigma. 



5. P. Molleri, C. DC. in Bol. Soc. Brot. x. 154. Stem creeping 

 at the base, glabrous ; branches narrowly winged, \ lin. in diam. Leaves 

 alternate, oblong-lanceolate, IJ in. long, 1 in. wide, acute, narrowed to 

 the base, membranous and subpellucid when dry, 5-nerved, glabrous on 

 both surfaces; petiole 7 in. long. Spikes terminal [and lateral, dense, 

 2i in. long; peduncle twice as long as the petiole; rhachis glabrous; 

 bracts orbicular. Ovary ovoid ; stigma terminal, minute, oblique. 



Xiower Guinea. Island of St. Thomas ; Macambrara, 3000-4000 ft., Moller, 



6. P. ruwenzoriensis, Rendle in Journ. Linn. Soc. xxxviii. 278. 

 A climbing herb. Stems when young and petioles slightly pilose. 

 Leaves alternate, lanceolate or ovate, acute, thin when dry, sparingly 

 pilose on the under-surface, up to nearly 2 in. long and Ij in. wide, 

 usually smaller ; petiole about 4 lin. long. Spikes 2 in. long, much 

 longer than the leaves, in the axils of the upper leaves and terminal ; 

 peduncle moderately long ; bracts orbicular. Flowers greenish- white. 

 Ovary impressed in the rhachis, broadly obovate, obtuse. Berry J lin. 

 long, broadly ovate, brown, glandular. 



wile I.and. Uganda: Ruwenzori, 7000ft., WoUaston, 7000-8000 ft., on tree- 

 trunks, Scot i- Elliot, 7862, partly ! 



7. P. xnagilensis, Baker. Stem stout, glabrous, decumbent at the 

 base, then shortly ascending. Leaves alternate, shortly petioled, oblong- 

 lanceolate, 1-1 J in. long by half as broad, acute, cuneate at the base, 

 moderately thick, opaque, glabrous on both surfaces, distinctly tripli- 

 nerved from the base. Spikes terminal and lateral, slender, 2-3 in. 

 long ; peduncle glabrous, 1 in. long ; rhachis pitted, glabrous ; bracts 

 orbicular ; flowers distant, minute. Stamens 2, lateral ; filaments 

 slender, much longer than the globose anthers. Ovary ovoid, sessile ; 

 stigma terminal. 



Mozamb. Dist. German East Africa : Usambara ; Magila, Kirk ! 



8. P. Preussii, C. DC. in Engl. Jahrh. xix. 226. Stems rooting 

 at the base, then ascending, 1 lin. in diam. when dry, densely clothed 

 with long hairs in the lower part, subglabrous upwards. Leaves 

 alternate, ovate-lanceolate, nearly 2 in. long by half as broad, acuminate, 

 obtuse or rounded at the base, firm when dried, subopaque, 5-nerved, 

 pilose especially on the under-surface ; petiole 2\ lin. long. Spikes 



