INDEX 
Osmanthus armatus, II. 611. 
Osmanthus fragrans, II. 609. 
Osmanthus serrulatus, II. 610. 
Osmanthus venosus, II. 611. 
Osmothamnus, I. 505. 
Osteomeles, I. 184. 
Osteomeles anthyllidifolia, I. 184. 
Osteomeles Schwerinae, I. 184. 
Osteomeles Schwerinae, var. micro- 
phylla, III. 431. 
Ostrya, II. 424. 
Ostrya carpinifolia, II. 424. 
Ostrya italica, subspec. virginiana, II. 
424. 
Ostrya italica, var. virginiana, II. 424. 
Ostrya japonica, II. 424. 
Ostrya mandshurica, II. 435. 
Ostrya ostrya, var. japonica, II. 424. 
Ostrya virginica, II. 424. 
Ostrya virginica, var. japonica, II. 424. 
Ostryopsis, II. 423. 
opsis Davidiana, II. 423. 
Ostryopsis Davidiana, var. cinerascens, 
II. 423. 
Ostryopsis nobilis, IT. 423. 
Osyris, III. 320. 
Osyris arborea, III. 320. 
Osyris japonica, II. 570. 
Osyris rhamnoides, YI. 409. 
Osyris Wightiana, III. 320. 
Othera orixa, II. 136. 
Ovalifoliae, III. 140. 
Oxyactis, II. 133. 
Oxycedrus, II. 56. 
Oxycoccus, I. 562. 
Oxyodon, I. 228, 234, 258. 
Pachypodium, I. 71, 74. 
Pachyrhizus Thunbergianus, II. 118. 
Pachysandra, II. 164. 
Pachysandra axillaris, II. 164. 
Pachysandra terminalis, II. 164. 
Padus, I. 59, 196. 
Padus brachypoda, I. 65. 
Padus brachypoda, var. pubigera, I. 67. 
Padus velutina, 1. 69. 
Padus vulgaris, I. 72. 
625 
Padus Wilsonii, I. 63. 
Paederia, III. 403. 
Paederia chinensis, III. 403. 
Paederia foetida, III. 403. 
Paederia ternata, III. 417. 
Paederia tomentosa, III. 403. 
Paederia Wilsonii, III. 403. 
Paeonia, I. 318. 
Paeonia arborea, I. 319. 
Paeonia Delavayi, I. 318. 
Paeonia Delavayi, var. angustiloba, I. 
318. 
Paeonia fruticosa, Y. 319. 
Paeonia moutan, I. 319. 
Paeonia officinalis, I. 319. 
Paeonia papaveracea, I. 319. 
Paeonia suffruticosa, I. 319. 
Paliurus, II. 209. 
Paliurus aculeatus, II. 211. 
Paliurus Aubletia, II. 210. 
Paliurus Aubletii, II. 210. 
Paliurus australis, II. 209, 211. 
Paliurus australis, var. orientalis, ll. 
209. 
Paliurus hirsutus, II. 210, 211. 
Paliurus lucidus, II. 209. 
Paliurus orientalis, IT. 209, 210, 211. 
Paliurus ramosissimus, II. 210, 211, 
212. 
Paliurus sinicus, II. 210, 211. 
Paliurus Spina-Christi, II. 210, 211. 
Paliurus tonkinensis, II. 211. 
Paliurus virgatus, II. 211. 
Palmata, I. 88. 
Palura odorata, II. 593. 
Panaz aculeatum, II. 563. 
Panaz Davidi, II. 556. 
Panaz Loureirianum, II. 564. 
Panaz ricinifolium, I. 564. 
Panaz spinosum, IT. 562. 
Paniculatae, II. 354. 
Papyrius, III. 304. 
Papyrius japonica, III. 304. 
Paramahaleb, I. 226, 237. 
