Pleurotenium elatum, var. conjunctum, 
W. $ G. S. West, 96, 111. 
maximum, Lund., 111. 
subcoronulatum, W. у G. 5. West, 
110; cf. 96. 
, var. detum, W. $ G. S. West, 
110. 
Trabecula, Ehrenb., 111. 
Plumbaginesz from Ruwenzori, 267. 
Plumbago zeylanica, Linn, 267; men- 
tioned, 229. 
Poa glacialis, Stapf, 241 ; mentioned, 255. 
Podocarpus, Z’ Hérit., mentioned, 199, 200, 
231; of S. China, 198; S. W. China, 
199; W. China, 199. 
argotzenia, Hance, distrib., 202, 204. 
bracteata, Blume, 333. 
chinensis | Sweet], distrib., 202, 204. 
cupressina, №. Br., 333, 
latifolia, Wall., distrib., 202. 
macrophylla, all., distrib., 202. 
neriifolia, D. Don, distrib., 202. 
sutchuenensis, Franch., distrib., 202, 
204. 
Polemonium, Linn., referred to, 374. 
Polien of Phanerogams, 31; of Solanum, 
448, pl. 49. 
Polychetopbora lamellosa, 
West, mentioned, 280. 
simplex, G. S. West *, 279; mentioned, 
281. 
Polyeystis eruginosa, Kütz., 186. 
prasina, Wittr., 186. 
viridis, A. Br., 186. 
Polyedrium lobulatum, Nüg., 143. 
minimum, А. Вг., 142. 
tetraédricum, Nag., 145. 
trigonum, Nüg., 142. 
B. bifurcum, Wille, 143. 
Polygala Latouchei, Finet $ Franch., 357. 
monticola, Ridi.*, 303. 
persicariæfolia, DC., 242 ; 
281. 
venenosa, Juss., mentioned, 308. 
Polygalacee from Fokien, 357 ; Пот 
Ruwenzori, 242. 
Polygonacee, fossil, 210 ; from Ruwenzori, 
271. 
Polygonum africanum, Meissn., 20. 
amphibium, Linn., 210, 219. 
aviculare, Linn., 210, 219. 
W. $ G. S. 
mentioned, 
INDEX. 485 
Polygonum barbatum, Linn., 20. 
Jonvolvulus, Lian., 210, 219. 
glabrum, Willd., 20. 
lanigerum, R. Br., 
M eissn., 20. 
Persicaria, Linn., 210, 219. 
Polyosma coriacea, King, 302, 307. 
leete-virens, Griff, 307. 
Polypetale, floral envelopes, 50; from 
Pahang, 303; from Ruwenzori, 241. 
Polypodium cucullatum, Nees $ Blume, 334. 
hirtum, Hook., 834. 
laciniatum, Blume, 335. 
stenophyllum, Blume, 334. 
streptophyllum, Baker, 334. 
venulosum, Blume, 334. 
Wrayl, Baker, 355. 
Polyporus cristatus, Fr., 411. 
Eckloni, Henn., 411. 
elegans, Zr., 410; distrib., 408. 
gilvus, Schwein., 410; distrib., 408. 
nanus, Massee, 410; distrib., 408. 
ochroleucus, Zr., 411. 
varius, Fr., 411. 
Polystachya Adansoniæ, KReichb. f., men- 
tioned, 256. 
bicarinata, Rendle *, 236. 
cultrata, Lindl., mentioned, 236. 
Doggettii, Rendle 5: Rolfe *, 235; men- 
tioned, 232. 
gracilenta, Kränzi. 236; mentioned, 232. 
Rendlei, Rolfe, mentioned, 235. 
Woosnami, Rendle *, 235. 
Polystictus sanguineus, G. F. W. Meyer, 
27, 410 ; distrib., 408. 
sp., 27. 
Polytrema, C. В. Clarke, referred to, 7. 
Polyzonia jungermannioides, J. Ag., 444. 
орших, Linn., 40; derived from entomo- 
philous ancestors, 41. 
glauca, Haines, mentioned, 41. 
Poria citrina, Massee, 410. 
vaporaria, Fries, 410 ; distrib., 4^8. 
Potamogeton, Linn., paucity in African 
lakes, 12. 
crispus, Linn., 24, 211. 
heterophyllus, Schreb., 211. 
javanicus, Hassk., 18, 24. 
Livingstonel, А. Benn, 23; men- 
tioned, 19. 
lucens, Linn., mentioned, 220. 
var. africanum, 
