INDEX, 
Pentaphylax euryoides, Сага». $ Champ., 
mentioned, 305. 
malayana, Ridl, *, 302, 305. 
Pentas herbacea, Hiern ; mentioned, 
255. 
pubiflora, S. Moore *, 254 ; mentioned, 
230. 
var. longistyla, S. Moore *, 255 ; 
mentioned, 231. 
purpurea, Oliver, 254; mentioned, 
230. 
Pentasacme caudatum, Wall., 315. 
Pentstemon in Mexico, 432. 
Peperomia ruwenzoriensis, Rendle *, 278; 
mentioned, 231. 
Stuhlmanni, С. DC., 
231, 278. 
Percival, Prof. J., experiments by, 338. 
Peridiniaceæ, of Nyasa, 91 ; of Tanganyika, 
70, 93, 188; of Victoria Nyanza, 91. 
Peridiniopsis, Lemm., 189. 
Borgei, Lemm., 189. 
Cunningtonii, Zemm. *, 180 ; cf. 93. 
Peridinium, Ehrenb., mentioned, 170. 
africanum, Lemm. *, 188; cf. 91, 93. 
berolinense, Lemm., 188. 
var. apiculatum, Lemm, *, 188, 
quadridens, Stein, mentioned, 189. 
Pernettya, Gaud., in Mexico, 431, 432. 
Peucedanum Kersteni, Engl, 258; men- 
tioned, 255. 
Petitianum, A. Rich., 253. 
yar. kilimanscharicum, 
mentioned, 
— ingl., 
253. 
Phaius maculatus, Lindl., 568. 
Phanerogamie distrib. in Mexico, 435. 
Phanerogams, from Red Sea, 445; embryo- 
sac, 31; pollen-grain, 31. 
Philippine Islands flora, mentioned, 198. 
Pholidota chinensis, Lindl., 369. 
parviflora, Hook. f., 329. 
— — var. pumila, Ridl. *, 320. 
Phormidium, Kitz, 175; of Tanganyika 
Exped., 83. 
ambiguum, Gomont, 176. 
angustissimum, V. $ ©. S. West, 96, 
176. 
autumnale, Gomont, 176. 
Corium, Gomont, 176. 
foveolarum, Gomont, 175. 
inundatum, Aiitz., 176. 
483 
Phormidium papyraceum, Gomont, 176. 
tenue, Gomont, 175. 
uncinatum, Gomont, 176, 
Photinia dubia, Lindl., 506. 
Phragmites communis, Trin., 211. 
Phreatia listrophora, Ridl., 327. 
Phycastrum denticulatum, Nüg., 127. 
Phyllagathis chinensis, Dunn *, 560. 
pulcher, Wall., 365. 
Phyllobium, АТерв, on Sphagnum, 284. 
dimorphum, Klebs, 284; green resting 
cells of, 284. 
incertum, Klebs, 284. 
sphagnicola, (7. S. West *, 283; green 
resting cells of, 284. 
Phyllostachys nigra, Munro, 375. 
Phythelies from Ruwenzori, 143. 
Phytoplankton and Freshwater Alem of 
Third Tanganyika Exped., conducted by 
Dr. W. A. Cunnineton, 1904-1905 
(West), 81-197 ; of Lake Nyasa, 85, 90- 
91; Tanganyika, 88, 92-93, 191; Victoria 
Nyanza, 83, 91-92. 
Phytophthora infestans, De Bary, 446. 
Picea, Link, distrib., 204; mentioned, 199; 
of Centr. Europe, 200 ; — Grinnell 
Land, 206; — Nebraska, 200 ; — 
Spitzbergen, 200 ; — W. China, 199. 
ajanensis, Fisch., distrib., 205, 204. 
Aleockiana, Carr., distrib., 205. 
asperata, Mast., distrib., 205. 
aurantiaca, Mast., distrib.. 203 
brachytila, Mast., distrib., 203. 
excelsa, Link, 210 ; mentioned, 222, 
Glehni, Mast., distrib., 203. 
likiangensis, Mast., distrib., 203. 
Mastersii, Mayr, distrib., 203. 
Maximowiezii, Regel, distrib., 203. 
Neoyeitchii, Mast., distrib., 203; of 
Centr. China, 199. 
obovata, Ledeb., distrib., 203; of N. 
China, 198. 
Omorica, Mast., distrib., 204. 
polita, Carr., distrib., 204. 
purpurea, Mast., distrib., 204. 
retroflexa, Mast., distrib., 203. 
sitchensis, Trautv. § Mey., distrib., 204, 
Watsoniana, Mast., distrib., 203, 204. 
Wilsoni, Mast., distrib., 203 ; of Centr. 
China, 200. 
Picris hieracioides, Linn., 210, 
