INDEX. 523 
Polanisia viscosa, DC., 20. > 
Polycarpæa corymbosa, Lam., 25. 
Polygala abyssinica, Fres., mentioned, 24. 
arenaria, Weld., 24. 
gazensis, Bak. fil.*, 24. 
hottentotta, Presl, 24. 
peduncularis, Burch., mentioned, 13, 
25. 
virgata, Thunb., 24. 
Polygalaceæ of Gazaland, 24. 
Polygonaceæ of Gazaland, 182. 
Polygonum acuminatum, А. Б. K., 183. 
lanigerum, R. Br., var. y. africanum, 
Meissn., 185. 
serrulatum, Lag., 182. 
Polypetalæ of Gazaland (E. G. Baker), 
16-76. 
Polypodium africanum, Mettenius, 241. 
incanum, Sw., 241. 
lepidotum, TF7/d., 241. 
phymatodes, Linn., 242. 
proliferum, Roxb., 241. 
Polysphæria lanceolata, Hiern, 87. 
pedunculata, K. Schum., 87. 
Polytrichaceæ of New Zealand, 450. 
Polytrichum gracile, ecol., 371, 372. 
Popowia ferruginea, Engler $ Diels, 18. 
obovata, Engler § Diels, 18. 
Populus tremula, ecol., 349, 351. 
var, villosa, ecol., 349, 874, 
382. 
Porotrichum latifolium, mentioned, 454. 
Port Erin, Occurrence of Amphidinium 
opereulatum at (Herdman), 389-393. 
Portulaca foliosa, Ker- Gawl., 25. 
Portulacaceæ of Gazaland, 25. 
Potamogeton pusillus, Linn., 221. 
Potamogetonaceve of Gazaland, 221. 
Potentilla Anserina, ecol., 580. 
erecta, ecol., 371, 372, 880. 
mixta, ecol., 980. 
reptans, ecol., 380. 
sterilis, ecol., 362, 371, 572, 380. 
Pottiaceze of New Zealand, 443—445. 
Prankerd, Miss T. Г., Structure of the 
Paleozoic Seed Lagenostoma ovoides, 
Will., 461—490. 
Prasiola antarctica, Kütz., 530. 
crispa, Ag., 329; mentioned, 254. 
forma antaretica, proposed new 
name, 330. 
Prasiolaces of South Orkneys, 329. 
Premna serratifolia, Linn., 166. 
Primula elatior, ecol., 349, 358-268, 371- 
374, 377, 981; hybrid, ecol, 961, 
363, 381. 
veris, ecol, 364, 374, 581; hybrid, 
ecol., 38]. 
vulgaris, ecol., 358-864, 368, 371-3874, 
381. 
var. caulescens, ecol., 574, 981. 
Primulacew of Gazaland, 150. 
Priva leptostachya, Juss., 166. 
Protea Goetzeana, Engler, 185, 
madiensis, Oliver, 184. 
Swynnertonil, ©. Moore *, 181; men- 
tioned, 13. 
uhehensis, Engler, 184. 
Proteace of Gazaland, 184. 
Protococcales of some British lakes, 424; 
of South Orkneys, 324. 
Protoderma Brownii, F. E. Fritsch *, 300, 
301, 328 ; mentioned, 298. 
viride, mentioned, 302. 
Prunella vulgaris, ecol, 564, 368, 372, 
382. 
Prunus Cerasus, ecol., 551, 380. 
insititia, ecol., 351, 580. 
spinosa, ecol., 351, 380. 
var, macrocarpa, ecol., 351, 580. 
Pseudarthria Hookeri, Wight § Arn., 51. 
Pseudoblepharis cerulea, Lindau, 159. 
Pseudocalyx africanus, ©. "Moore *, 1506; 
mentioned, 14. 
saccatus, Radik., mentioned, 156. 
Pseudolachnostylis Dekindtii, Pav, 193; 
mentioned, 14, 
maproune:efolia, Pua, 193. 
Psilotrichum concinnum, Maker, 182. 
eracilentum, С. B. Clarke, 182. 
Psoralea foliosa, Olver, var. gazensis, 
Bak, fil, 52. 
Psorospermum febrifugum, Spach, 26. 
ferrugineum, Hook. fil, mentioned, 
26. 
Psychotria Butayei, De Wiid., mentioned, 
101. 
buzica, S. Moore *, 100. 
madandensis, S Moore *, 100. 
pumila, Hiern, 100. 
Pteleopsis myrtifolia, Engler § Diels, 70 ; 
mentioned, 14. 
