154 CXIII, PIPERACEZ (BAKER AND WRIGHT). [ Peperomia. 
. 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. 
Wile Land. Uganda: Wimi Valley, Ruwenzori, 7000 ft., Scott-Elliot, 7928! 
20. P. mascharena, (C. DC. in Journ. Bot. 1866, 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. Dist. German East Africa: Usambara, Derema, Volkens, 60 1 
Also in extra-tropical South Africa and Madagascar. 
This species is very closely allied to P. bangroana, C. DC. 
21. P. bangroana, C. DC. in Journ. Bot. 1866, 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, pedun cled; 
bracts round, peltate, shortly stalked. Ovary deeply immersed in the 
pitted rhachis. Fruit subglobose, sessile ; stigma terminal, fleshy.— 
P. bangrooana, C. DC. in DC. Prodr. xvi. i. 404. P. bagroana, Dawe 
in Rep. Bot. Uganda Protect. 1906, 55. 
Upper Guinea. Sierra Leone: River Bagru, Mann, 905! Gold Coast: 
Kibbi Hills, on trunks of trees, Johnson, 273 ! 
Nile Land. Uganda: Mawokota, 3900 ft., Brown, 194! Loro, 5000 ft.» 
Dawe, 529! 
22. P. kamerunana, C’. DC. in Engl. Jahrb. 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. Cameroons, Preuss, 918 ! 
23. P. arabica, var. parvifolia, C. DC. in Engl. Jahrb. xix. 230. 
Stems decumbent at the base, then ascending, moderately stout, finely 
