522 INDEX. 
Periodicity of the Phytoplankton of some 
British Lakes (W. & G. S. West), 395- 
32. 
Perotis latifolia, Ait., 224. 
Petersia rosea, Wlotzsch, 21. 
Peucedanum fraxinifolium, Miern, 16. 
Phacotaceæ of South Orkneys, 324. 
Phæophyceæ of some British lakes, 405, 
418; of South Orkneys, 295. 
Phalaris arundinacea, ecol., 363, 872, 382, 
Phaylopsis longifolia, Г. Thoms., 158. 
parviflora, Willd., 158. 
Phialodiscus plurijugatus, Radil., 47 ; men- 
tioned, 14. 
Philippia hexandra, 5. Moore *, 129. 
milanjiensis, Britt, § Rendle, men- 
tioned, 129, 
Simii, 5. Moore *, 128; mentioned, 4. 
Philonotis australis, Par., 450. 
scabrifolia, Broth., 450. 
Phleum pratense, ecol., 582. 
Phoenix dactylifera, Linn., 219. 
Phragmites communis, Zrin., 224; ecol, 
363, 382. 
Phylica paniculata, Willd., 45, 
Phyllanthus discoideus, Mill. Arg., 192. 
graminicola, ZZutcA.*, 191. 
Hutchinsonianus, S. Moore *, 192. 
macranthus, Pax, 192. 
maderaspatensis, Linn., 192. 
myrtaceus, Sond., 192. 
pentandrus, Mill. Arg., 192. 
rotundifolius, Müll. Arg., mentioned, 
192. 
Physcia flavicans, DC., 244. 
Physostoma, 461, 462, 465, 472. 
Physotrichia Buchanani, Benth., men- 
tioned, 76, 
Swynnertonii, Bak, fil.*, 76. 
Phytolacca dodecandra, LZ’ Hérit., 181. 
Phytolaccacem of Gazaland, 181. 
Phytoplankton of British Lakes, its Perio- 
dicity (W. & G. 5. West), 395-432. 
Pieris echioides, ecol., 881. 
hieracioides, ecol., 564, 381. 
Pimpinella magna, ecol., 362. 
major, ecol., 381. 
Piper capense, Linn. fil, 183. 
Piperaceæ of Gazaland, 183. 
Piptadenia Buchanani, Baker, 63; men- 
tioned, 6, 14. 
Pittosporem of Gazaland, 24. 
Pittosporum viridiflorum, Sims, 24. 
Plantago lanceolata, есо]., 382. 
major, ecol., 382, 
media, ecol., 382. 
Plectonema Boryanum, Gomont, 400. 
Plectranthus caudatus, 5. Moore *, 176. 
chimanimanensis, S, Moore *, 174. 
flaccida, Gürke, mentioned, 176. 
floribundus, №, E. Br., 174. 
var. longipes, N. Ё. Br., 174 
fruticosus, L' Hérit., 176. 
hoslundioides, Baker, 177. 
laxiflorus, Benth., 174. 
petrensis, S. Moore *, 175. 
Swynnertonii, S, Moore ж, 176, 
Plectronia spinosa, A/ofzsch, mentioned, 
89. 
telidosma, К. Schum., 88. 
ventosa, Linn., 91 ; mentioned, 89. 
Pleiocarpa Bagshawei, 5. Moore, mentioned, 
138. 
Swynuertonii, S. Moore, 138, 
Pleurecoccacere of South Orkneys, 328. 
› T б 1 
Pleurococcus rufescens, Bréb., mentioned, 
204 ftnote. 
vulgaris, Menegh., 300, 318, 328, 
8. cohærens, Wittr., mentioned, 
329. 
› "TI " 1 r M An 
Pleuroridgea zanguebarica, Ган Tieghem, 
38. 
Pleurotzenium Ehrenbergii, De Bary, A04. 
Pluchea Dioscoridis, DC., 104. 
Poa annua, ecol., 382, 
nemoralis, есо]., 363, 369, 382, 
pratensis, ecol., 382, 
trivialis, ecol., 359, 363-369, 282. 
› . . 
Podocarpus, pollen-zrains, mentioned, 320. 
cupressina, А. Br., mentioned, 272, 
Dieffenbachti, Hook., 272. 
milanjiana, Rendle, 935; mentioned, 
3. 
Podostemaceæ of Gazaland, 183. 
Podranea Brycei, Sprague, 155. 
Pæcilostachys | flaecidula, Stapf*, 231; 
mentioned, 13, 14, 
Pogonarthria faleata, Rendle, 234. 
Pogonatum australasicum, Hampe $ С. 
Muell., 450. 
tortile, P. Beauv., 450. 
Poivrea mossambicensis, Klotzsch, 69. 
