INDEX. 
Polyosma parviflora, King, 289; men- 
tioned, 286, 
Polypodium Dryopteris, Linn., 454. 
hirtellum, Blume, 303. 
Polysiphonia bipinnata, Faľk., mentioned, 
309. 
utricularis, Zan., 308. 
violacea, Grev., physiol., 308, 
Pongamia cerulea, R. Grah., 184. 
cana, R. Grah., 186. 
casstoides, Wall., 147. 
caudata, R. Grah., 171. 
cinerea, R. Grah., 158. 
Corcor, R. Grah., 164. 
dehiscens, Koord. & Valet., 172. 
extensa, R. Grah., 182. 
fruticosa, R. Grah., 184. 
glabra, Vent., 172; seed, 114; men- 
tioned, 136, 174. 
heterocarpa, Wall., 158. 
macrophylla, R. Grah., 182. 
multijuga, hort., mentioned, 169. 
oblonga, R. Grah., 158. 
ovalifolia, Wight & Arn., 174. 
palustris, R. Grah., 158. 
paniculata, R. Grah., 158. 
pendula, R. Grah., 186. 
racemosa, R. Grah., 164. 
sericea, Vent., 125, 126, 169. 
urophylla, hort,, 172. 
Poplar, ecol., 389, 419, 421, 428; men- 
tioned, 407, 409, 433, 445, 447, 450. 
Populus, Linn., mentioned, 111; cf. prec. 
alba, Linn., var. B. nivea, DC., 443. 
suaveolens, Fisch., 443; ecol., 390, 
400, 430, 441, 444. 
Рогішасасег of Mongolia, 408. 
Potamogeton pectinatus, Linn., 448. 
Potassium nitrate in cells of Piper Betle, 
Linn., 379. 
Potentilla, Linn., ecol., 389-398. 
Anserina, Linn., 414, 398. 
bifurca, Linn., 390, 392, 393, 396. 
var. canescens, Ledeb., 413, 398. 
var, typica, Th, Wolf, 413. 
chrysantha, Zrev., 396. 
var. asiatica, 77. Wolf, 414. 
elegans, Cham. § Schlect., 414. 
fragarioldes, Linn., 414. 
fruticosa, Linn., 388, 389. 
-— var. vulgaris, Willd., 413. 
| 
Potentilla gelida, C. 4. Mey., 414. 
nivea, Linn., 389, 394. 
var. elongata, 7h. Wolf, 414. 
sericea, Linn., 391, 394. 
var. dasyphylla, Ledeb., 415. 
subacaulis, Linn., 414. 
viscosa, Donn, 415. 
Powa rhandra, 270. 
Pratia begoniæfolia, Lindi, 293; men- 
tioned, 286. 
Price, M. P., and N. D. Simpson, Account 
of the Plants coll. by Mr. M. P. Price on 
an Expedition through N.W. Mongolia 
and Chinese Dzungaria in 1910, 385- 
456. 
Primula algida, Adams, æ. sibirica, Pax, 
430. 
В. armena, Pag, 431. 
elatior, Jacg., 430. 
var. д. Pallasii, Pav, 450. 
nivalis, Pall, 481; ecol, 388, 392, 
394. 
Pallasii, Lerm., mentioned, 430. 
Primulaceze of Mongolia, 450. 
Pritzelia pygmiea, F. Muell., 267. 
Prunus Padus, Linn., 412. 
Pseuderanthemum  breviflos, Xidi., men- 
tioned, 205, 
lilacinum, Stapf, 294. 
parviflorum, Zidt.*, 294, 
Psoralea, Linn., cf. 103, 107 ftnote. 
acaulis, Zinn., seed, 112. 
corylifolia, Linn., seed, 112. 
sp., seedling, 71. 
Psoraliinæ, seedlings, 71, 83. 
Psychotria stipulacea, Wall., 292. 
Pteridophyta, mentioned, 92, 116. 
Pteridospermæ, mentioned, 94, 116. 
Pterocarpinæ, seedlings, 73. 
Pterocarpus australis, Endl., 163. 
Pterostylis nana, 2. Br., 250. 
——- var. pyramidalis, Domin *, 
250. 
var. typica, Domin *, 250, 
pyramidalis, Lindl., 250. 
Pulmonaria montana, Lej., 433. 
Pultenæa daphnoides, Wendl., seedlings, 
24, 69, 78; cf, 24. 
retusa, Sm., seed, 113. 
Pyrola rotundifolia, Zinn., 430. 
