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Picridium 649. 



Piinpinolla peregrina 5-4. 



Plant ago brutia 622, capitata 622, criostachya 622. 



Podophyllum 649. 



IVdospermum 649. 



i'olygnla andraclmoidc-s53, bractcolata 53, niyrtirblia 53, teretifolia 53 



Polygonum aquaticiim. 356. 



Polamogeton 149, 57, acuminatus 193, 9, acutitblius 170, % 5, 80 ; 

 2, 3, aflinis 216, alpinus 211, 3, altera 191,. 9, armulatus 211, 3, 

 augustanus 203, 4, birölius 231, canarierisis W3., capillaceus 210, 

 »■■nl,~>r-ihiic .194 (i rnmnlnn.iti« 184. r.Omnressus 172. 5. 80: 2. 232. 



ucophylla 22, lignosa 24, lucida 22, macraii- 

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a 21, multifida 26, nivea c. var. aretien, camtschatica, lappouica, 

 vulgaris 21, norvegica 26, pemylvauica 26, serieea 26, stipularis 

 , tliuringiaca 26, unidova 22, villosa 22. 



tlia 21, multifida 26, nn r e 



vulgaris 21, norvegica 26 



24, tlmringiaca 26, unido 

 rrenantltcs 649. 



Priestleya 401, 3, 5, 7. botryoides 388, 401, 6. 

 Protococcus 393, 6, 7, 9, 400, 2, 3. 6, 7, viridis 396, 7, 8/402, 42, 

 Prunus brasilieiisis 543, domestica 85, sphaerocarpa 542, 3, 

 Ptelea 85. 



Pucchiia bifrons 626. * 



Pyrus 654, sanibucifolia 36. 

 Hafflesia 442. 

 Kamalhia calicaris 46, fastigiata 46, frasinca var. mcnibianacea 43, 



* 4S* 



