630 INDEX 
Populus pekinensis, III. 38. 
? Populus pellostachya, III. 24. 
Populus pruinosa, III. 26, 30. 
Populus Przewalskit, III. 32. 
Populus Przewalskii, f. microphylla, III. 
32. 
Populus pseudobalsamifera, III. 18. 
Populus rotundifolia, III. 29, 39. 
Populus rotundifolia, var. Duclouxiana, 
III. 25, 39. 
Populus rotundifolia, var. macranthela, 
III. 25. 
Populus Sieboldii, III. 29, 38. 
Populus Silvestrii, ITI. 23. 
Populus Simonii, III. 21, 28, 36. 
Populus Simonii, f. fastigiata, III. 22, 
36. 
Populus Simonii, f. pendula, III. 22, 36. 
Populus sinensis, III. 36. 
Populus suaveolens, III. 18, 28, 32. 
Populus suaveolens, III. 32. 
Populus suaveolens, var. a, III. 32. 
Populus suaveolens, var. angustifolia, 
TII. 19. 
Populus suaveolens, var. latifolia, III. 
32. 
Populus suaveolens, var. macrocarpa, 
III. 19. 
Populus suaveolens, var. Przewalskii, 
III. 32. 
Populus szechuanica, III. 20, 28, 33, 455. 
Populus szechuanica, var. tibetica, III. 
33. 
Populus tomentosa, III. 29, 37. 
Populus tremula, III. 29, 39. 
Populus tremula, III. 24. 
Populus tremula, var. adenopoda, III. 
23 
Populus tremula, var. Davidiana, III. 
24, 39. 
Populus tremula, var. Davidiana, f. to- 
mentella, III. 25, 39, 450. 
Populus tremula, var. a typica, III. 39. 
Populus tremula, var. villosa, III. 38. 
Populus triloba, III. 37. 
Populus tristis, III. 34. 
Populus tristis, III. 33. 
Populus Wilsonii, III. 16, 26, 30. 
? Populus wutaica, III. 24. 
Populus yunnanensis, III. 34. 
Porana, III. 355. 
Porana cordifolia, III. 361. 
Porana Delavayi, III. 357. 
Porana dichotoma, III. 361. 
Porana dinetoides, III. 358, 360. 
Porana discifera, III. 357, 358. 
Porana Duclouxii, III. 357. 
Porana elegans, III. 361. 
Porana Esquirolii, III. 357. 
Porana grandiflora, III. 358, 361. 
Porana Mairei, III. 357. 
Porana malabarica, III. 358, 360. 
Porana paniculata, III. 357, 359. 
Porana racemosa, III. 358, 361. 
Porana racemosa, III. 360. 
Porana sericea, III. 358. 
Porana sinensis, III. 355, 357, 359. 
Porana speciosa, III. 359. 
Porana spectabilis, III. 357, 358, 359. 
Porana stenoloba, III. 358, 361. 
Porana triserialis, III. 356, 358, 362. 
Porana triserialis, var. lasia, III. 362. 
Porana truncata, III. 361. 
Porana volubilis, III. 357, 358. 
Porphyra dichotoma, III. 370. 
Potentilla, IT. 301. 
Potentilla davurica, II. 301. 
Potentilla davurica, var. mandshurica, II. 
303. 
Potentilla davurica, var. Veitchii, YI. 303. 
Potentilla fruticosa, II. 301. — 
Potentilla fruticosa, var. albicans, II. 
302. 
Potentilla fruticosa, var. leucantha, II. 
303 
Potentilla fruticosa, var. mandshurica, 
II. 303. 
Potentilla fruticosa, var. ochreata, ll. 
304. 
Potentilla fruticosa, var. parvifolia, II. 
304. 
Potentilla fruticosa, var. rigida, II. 302. 
Potentilla fruticosa, var. tangutica, Il. 
Potentilla fruticosa, var. Veitchii, I. 
303. 
Potentilla parvifolia, II. 304. 
Potentilla rigida, 11. 302. 
Potentilla Veitchii, 11. 303. 
Poupartia azillaris, II. 172. 
Poupartia Fordii, II. 172. 
Pourthiaea Cotoneaster, I. 186. 
Pourthiaea parvifolia, I. 189. 
Pourthiaea villosa, I. 186, 187. 
Premna, III. 371. 
Premna japonica, III. 372. 
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