— Strobus 211. — sp. div. 3, 44, | 
104, 142. — sp. div. 232, 233, 269, 
343, 344, 345, 346, 347, 397, 399, 
402, 428, 437, 438, 439, 440, 441, 
481. 
Piper Betel L. v. monoicum D.C. 156. 
Piperaceae 156. 
Pirola grandiflora Rad. 23. — sp. div. 
104, 279. 
Pirus sp. div. 104, 344. 
Pisonia 464. — arborescens O.K. 463. 
— capitata 463. — hirtella Kth. 462, 
463, 465. — mexicana Wlld. 463. — 
subcordata 465. 
Pisoniella Heimerl 462. — arborescens 
(Lag. et Rodr.) Standley. 466, 471. — 
— — f. glabrata Heimerl 467, 470. 
Pistacia Terebinthus L. 293. 
Pisum 49. — sativum 35. 
Plagiochila sp. 286. 
Plagiothecium sp. div. 307, 308. 
Plantagineae 37. 
Plantago Gintlii Vel. 201. — sp. div. 
99, 406, 447. 
Plasmodiophora 489. — brassicae W or. 
136. 
Plasmodiophoraceae 298. 
Platanthera sp. div. 425, 440. 
Platygyrium sp. 307. 
Pleurochaete sp. 308. 
Pleuroclada sp. 288. 
Pleuridium sp. 308. 
Pleurospermum austriacum 233, 234, 
235, 236, 400, 438, 479, 484, 485. — 
kamtschaticum Hoffm. 233. — sp. div. 
2, 98, 104, 105, 106, 107, 141, 266, 
342, 343, 346, 347, 397, 398, 399, 
437, 482. — wuralense Hoffm. 233, 
400, 479. 
Plicaria mirabilis Rhm. 29. 
Poa attica Boiss. Heldr. 12. — praten- 
sis ß. attica B. H. 12. — silvicola 
Guss. 12. — sp. div. 2, 3, 100, 104, 
141, 344, 345, 395, 494. — trivialis 
1.12, 
Podocarpium dacrydioides Ung. 173. 
Podocarpoxylon Gothan 167. — Schwen- 
dae Kub. 161, 168. 
Podocarpus 161, 163, 164, 167, 169, 
171, 172. — andinus Poepp. 167, 
168, 170. — elongatus L’Her. 164, 
167. — falcatus R. Br. 167, 168, 
170, 171. — latifolius R. Br. 168, 
171. — nerifolius Don. 164, 168, 
170. — spinulosus R. Br. 171. — 
usambarensis Pilg. 167. 
Pohlia nutans 109. 
Polemonium campanulatum 272, 400. 
— coeruleum 269, 271, 272, °73, 400, 
439, 483, 485. — rhaeticun 272. — 

519 
sp. div. 98, 99, 100, 342, 343, 396, 
397, 437, 482. 
Polycarpicae 296. 
Polygala sp. div. 74, 99, 494. — su- 
pina v. Celakowskyana Maly 109. 
Polygonatum sp. div. 3, 104, 105, 141, 
396, 398. 
Polygonum sp. div. 98, 99, 100, 101, 
105, 406. 
Polypodium serratum Wild. f. reduc- 
tum Sag. 11. — sp. div. 2, 141, 395, 
439. — vulgare L. f. pygmaea Schur 
11. 
Polyporus Goethartü Bres. 23. 
Polysiphonia sanguinea Zanard. 421. 
— sp. div. 378, 421. 
Polystichum sp. div. 2, 3, 141, 142. 
Pometia pinnata Frst. 36, 158. 
Populus pyramidalis 296. -—- 
2, 141, 397, 399, 439, 441. 
Poria subambigua Bres. 290. 
Potamogeton alpinus Balb. 449. — sp. 
div. 309, 424, 440. 
Potentilla 22, 36, 237, 442. — alpestris 
Hall. 197. — canescens Bess. 196. — 
chrysantha Trev. 196. — Crantzii 
Beck. 197. — heptaphylia Mill. 196, 
obscura Wlld. 196. patens 
Herb. 196. — pratensis Herb. 196, 
197. — pseudoptlosa Porec. 196, 197. 
— sp. div. 2, 3, 6, 61, 100, 106, 142, 
143, 144, 196, 197. 
Poteriochromonas 27. 
Pottia sp. div. 308. 
Prangos arabica Vel. 202. 
Preissia sp. 282. 
Prenanthes sp. div. 3, 105, 144, 397. 
Primula farinosa L. 115. — sinensis 
35, 355. — sp. div. 106, 107, 405, 
406, 494. 
Protochrysis phaeophycearum Pasch. 
27, 238. 
Prunus Pallasiana Dörfl. 23. — sp. 
div. 61, 97, 100, 104, 343, 345, 346, 
397. 
Pseudolarix 356. 
Pseudoleskea atrovirens 109. 
Pseudoleskeella sp. div. 307. 
Pseudosphaerella Höhn. 488. 
Pstlotinae 291, 294. 
Ptarmica lingulata D.C. v. calva Deg. 
et Urum. 239. 
Pieridophyta 35, 156, 354. 
Pterogonium sp. 307. 
Pteroneurum bipinnatum Rehb. 17. — 
— dalmaticum Vis. 17. — mariti- 
mum Rchb. 17. 
Pteropsida 34. 
Pterula fulvescens Bres. 442. 
Ptilidium sp. 335. 
sp. div. 
