593 



Paullinia cusassavica 82. 



Pavetta Cornelia 14.^ 



Pedicularis aequinoctialis 227, asplenifolia 63. 



Perdicium divaricatum 275. 



Phacelia californica 494, circinata 493, 4, malvaefolia 494, peruvia- 

 na 493, 4. 



Phacidium coronatum et Tetracerae HS. 



Phragmidium mucronatum 388. 



Pinus balsamea 64, hirtella 556, leiopliylla 556, occidentalis 556, pa- 

 tula 551, 6, 81, rebgiosa 227, 8, 55b, Strobus 556, Tcocote 555, 6. 



Piptocoma lyehnopboroides et rufescens 316.. 



Pisum maritimum 63. 



Plantago Coronopus 74. 



Plocama pendula 196. 



Poa bulbosa 67. 



Pollalesta yernonioides 269. 



Polygonum aviculare 462. Hydropiper 425, minori-Hydropiper 426, 

 minori-Persicaria 425, Persicaria 424, Peraicariae- minus 425, yi. 

 viparum 72. 



Posoqueria latifolia 197. 



Potamogeton natans 72, 



Potentilla anserina 63, opaca 428, 32,. ruthenica 63, subacauli - opaca 

 427, 32, subacaulis 427, 31, 2, verna 427. 



Prunella vulgaris 215. 



Prunus Padus 118. 



Psychotria alba 19, 24, alba v. tonsa 21'. ardisiaefolia 19, Jiyrsopbylla 



ii* iuu, iieuciawcti jw, iieiucicea iu/, iiivuiuciulci ^", leiocarpa &&, 

 5, leioc. a. tropica 22, leioc. ß extra tropica 23, macrobotrys 19, 

 macropoda 138, nitidula 25, nonatelioides 25, 6, obtusifolia 21, 

 patula 19, philippensis 21, rigida 15, strepens 15, violacea 138. 



Pteris aquilina 219, 559. 



Ptychodea pedunculata et sessilülora 168. 



Puccinia Allii 392, 514, Anemones 3S8, 9, Bullaria 392, Bupleuri 514, 

 caulincola 392, 3, caulium 392, Cruciferarum 391, Drabae H5„ 

 Ferulae 513, graminis 392, pulvinulata 115, Saxifragarum 116, 

 Umbelliferarum 513, Valantiae 391. 



Pulmonaria bracteata 448, davurica 450, 1, d'enticulata 448, 9. 50, 

 gracilis 450. maritima 447, 56, parviflora 447, S, pilosa 449, pu- 

 roila 460, sibirica 448, 9, 50, virginica 450. 



Pulsatilla intermedia 429, patens 429, 32, vernalis 429, 32. 



Pyretbrum Bonplandii 24 i« 



Pyrola Escbscholzii 69. secunda 69, uniflora 65. 



Quercus Hex et pubescens 393^ 



Ranunculus acris 63, Ficaria 389, larmginosus 389. 



Rhamnus colubrinus, ellipticus, glabratus, Jujuba, laevigatus, polyga- 



mus, omn. 88. 

 Rhus copallinum 577. 

 Rhytisma Psidii 118, salicinum 119. 

 Ribes nigrum et rubrum 66. 

 Riccia bullosa et purpurascena 371. 



43* 



