Pag 



Myriophyllutn i 147 



Mi/rrhis v. Chaeruphi/llam . . 40l> 

 » V. Scandix .... 407 



Myrtus 434 



Narcissus 95 



Nardosmia v. Pelasi tex . . . 363 



Nardiis 59 



Nasturtiastrum v. Lepidi um . 601 



Nasturtiura 582 



Neottia 110 



Neottia V Listerà » 



» V. Spiì-anthes ...» 



Nepeta 201 



Neriura 261 



Neslia 604 



Nicotiana 240 



Nigella 617 



Obione 173 



Ochrvs V. Latlnirvs .... 474 



Ocjmutn 190 



Odontites 233 



Oeuanthe 419 



Oenothera 436 



Olea 262 



Oleacea » 



Olmaoee 143 



Omalotheca v. Gnaphalimn . 350 



Ombrellifere 388 



Oiiagra v. Oenothera .... 436 



Onagrariacee 435 



Onobr_ychis 476 



Ononis 504 



Onopordon 325 



Oiiosma 248 



Ophrys 110 



Ophri/s V. Aceras 113 



» V. Listerà 110 



» V. Neottia » 



» V. Spirantlies ...» 

 Oplismeiius V. Punicum ... 25 



Opopanax 413 



Orchidacee 105 



Oi'chis 115 



Orchis V. Aceras 113 



» V. Anacamptis. . . .114 



» V. nicchia Ili 



» V. Coeloglossum ...» 

 » V. (rijnuiadenia . . .112 



l'ag. 



Orchis V. Himantoylossum . .114 

 » V. Limodonim . . .108 

 » V. Platanthera . . .112 



Origanum 193 



Orlaya 410 



Oruitliogalum ....... 82 



tJrnithoyaliim v. Falam/iuni . 90 

 » V. (iai/ea ... 81 



Ornithopus 478 



Ormis V. Fraxinus .... 264 



Orobancacee 216 



Orobanclie » 



Orobanche v. Phclipaea . . . 218 

 Orobus V. Latliyrus .... 472 

 Oronlium v. Antirrliinuni . . 220 



Orticacee 140 



(Jri/za V. Leersia 18 



03salidacee 526 



Ostrya 132 



Osyris 158 



Oxalis 520 



Oxytropis 483 



Paeonia 613 



Palimbia v. Peucedanum . . 416 



Paliurus 514 



Pallavicinia v. Sisymbriiim . 589 

 Pallenis v. Asteriscus . . . . 355 

 Panicastrella v. Echinaria. . 23 



Paaicum 25 



Panicum v. Cynodon .... 26 

 » V. Digitaria ...» 

 » V Sctaria .... 24 



Papaver 010 



Fapaveracee 608 



Parentuceliia v. Bar/sia . . 232 



Parietaria 143 



Paris 93 



Parnassia 569 



Paronichiee 546 



Paronychia 548 



Paroni/chia v. Illecebrum . . » 

 Paspalum v. Cynodon ... 20 



» V. Digitaria ...» 



Passerina v. Stellerà . . . .160 



Pastinaca 413 



Pastinaca v. Opopanax ...» 



Pedioularis 2.35 



Pelargonium . • 533 



