154 cxiii. PiPEifACE^ (baker and WRIGHT). [PeperoDiia, 



19. P. crassifolia, Baker. Stem decumbent, moderately stout, 

 glabrous, about a foot long. Leaves alternate, shortly petioled, orbi- 

 cular, 6 lin. long and broad, obtuse, broadly rounded at the base, 

 thick, opaque, glabrous on the upper surface, slightly pubescent 

 beneath ; midrib distinct from base to apex ; side nerves invisible. 

 Spikes terminal and lateral ; peduncle glabrous, less than 1 in. long ; 

 spikes slender, 2-3 in. long ; rhachis glabrous. Ovary sessile, globose ; 

 stigma terminal. 



M"lle ]Land. Uganda: Wiini Valley, Ruweuzori, 7000 ft., Scott-Elliot, 7928! 



20. P. mascharena, C. DC. in Journ. Bot. 18C6, 135. A small 

 annual herb. Stem wide-creeping, very slender. Leaves alternate, 

 distant, petioled, suborbicular, 3-4 lin. long, obtuse, deltoid at the base, 

 fleshy, without visible venation, ciliate on the margins, pubescent 

 on both surfaces. Spikes terminal and lateral, very short, dense, 

 peduncled ; rhachis pitted ; bracts round, peltate, subsessile. Ovary 

 obtuse ; stigma terminal, minute. Fruit globose, sessile, immersed at 

 the base in the rhachis. — P. mascarena, C. DC. in DC. Prodr. xvi. i. 404. 



Mozamb. Blst. German East Africa : Usambara, Dcrema, Volkens, 00 ! 

 Also in extra-tropical South Africa and Madag'ascar. 

 This species is very closely allied to P. haitgroana, C. DC. 



21. P. bangroana, CDC. in Journ. Bot. 18G0, 134. Annual. 

 Stem creeping, filiform, finely pubescent. Leaves alternate, petioled, 

 orbicular, 4 lin. wide, pilose on both surfaces, ciliate on the margin, 

 rather rigid, without visible venation. Spikes terminal, peduncled; 

 biacts round, peltate, shortly stalked. Ovary deeply immersed in the 

 pitted rhachis. Fruit subglobose, sessile ; stigma terminal, fleshy. — 

 P. bcDKjroocuia, C. DC. in DC. Prodr. xvi. i. 404. P. bayroana, Dawe 

 in Kep. Bot. Uganda Protect. IDOG, 55. 



Upper Guinea. Sierra Leone: Kiver Bagru, JLTartw, 905 I Gold Coast: 

 Kibbi Hills, on trunks of trees, Johnson, 273 ! 



Nile Ziand. Uganda: Mawokota, 3900 ft., Broicn, 194! Loro, 5000 ft., 

 I>aive, 529 ! 



22. P. kamerunana, C. DC. in Engl. Jahrh. xix. 228. Stems 

 decumbent, with short ascending branches, moderately stout, densely 

 hairy. Leaves opposite, shortly petioled, oblong or suborbicular, 6-9 

 lin. long, obtuse, cuneate at the base, moderately thick, opaque, hairy 

 on both surfaces, obscurely triplinerved from the base. Spikes short, 

 dense, terminal; peduncle densely hairy; rhachis pitted, glabrous; 

 bracts orbicular, peltate. Ovary oblong, sessile; stigma minute, 

 terminal. 



Upper Guinea. Canicroons, Prevss, 918 ! 



23. P. arabica, var. parvifolia, C. DC. inEmjl. Jahrh. xix. 230. 

 Stems decumbent at the base, then ascending, moderately stout, finely 



