175 



Opiintia ®. 107 



Orchideae 57 



Orcliis 58 



OreoseVimnu 97 



Ori£fanuin 80 



Orhiya 98 



Oriiithogahim 55 



Ornithopiis 126 



Ornus 94 



Orohanche 83 



Orol)ancheae 83 



Orobus 125 



Orontiaceae 51 



Orontium 52 



Oropliea 137 



Ortliosporiim 117 



Orthotrichum 44 



Oryza 49 



Osl)eckia 112 



Oscillatoria 41 



Osinuiula 47 



Osmundaceae 47 



Ostericura 97 



Ostrya 65 



OsjTis 70 



Othonna 77 



Otidia 151 



Oxalideae 151 



Oxalis 152 



Oxy!)aphus 88 



Oxycoccos 91 



Oxylol)iuin 125 



Oxyria 115 



Oxytropis 125 



Ozoniuin 37 



Pacliyneraa 136 



Pacliyrrhizes 125 



Pacliysandra 143 



Padus 123 



Paederota 84 



Paeonia 136 



Paliiiriis 101 



Palmae 52 



Panax 100 



Peritoma @. 132 



Persea 69 



Persica 123 



Persicaria 115 



Peisonatae 82 



Persoonia 71 



Petasites 77 



Petiveria 117 



Petroselinuui 98 



Petunia 85 



Peucedaneae 97 



Peucedanuin 97 



Peziza 38 



Plmca 125 



Pliacelia 87 



Phacidium 38 



Phalaris 49 



Pliallus 38 



Pliascum 44 



Phaseolus 125 



Phebalium 143 



Phelipaea 83 



Phellandrium 98 



Philadelpheae 112 



Pliiladelphus 113 



Phillyrea 94 



Phiiotheca 143 



Phleiim 49 



Phloinis 81 



PIilox ■ 89 



Plioenix 52 



Phoenixopus 76 



Pliormium 55 



Pliragmidium 37 



PJiraginites 49 



Pliylica 101 



Phyllantluis 143 



Phyilis 74 



Pliysalis 86 



Phyteuma 80 



Pliytolacca 117 



Pliytolacceae 117 



Picridium 76 



Picris 76 



Pierardia " 146 



