Index of Genera. 



343 



Nepeta, 155 

 Nephrodiimi, 26 

 Nerium, 145 

 Neslia, 91 

 Neurada, 100 

 Nigella, 77 

 Noaea, 65 

 Nonuea, 147 

 Notobasis, ISo 

 Xotochlaena. 2H 



Obione, 63 

 Odontites, 167 

 Odontosperniuni, 180 

 Olea. 144 

 Onobrychis, 111 

 Ononis, 103 

 Onopordon, 186 

 Onosnia, 148 

 t)pliioglossum. 27 

 Ophrys, 56 

 Opopanax, 140 

 Opuntia. 132 

 Ordiis. 57 

 Origanum, 161 

 Orlaya. 136 

 Ornithogalum, 49 

 ( )robanclie, 1 68 

 ( Iryzopsis, 33 

 (Isyris, 62 

 Oxalis, 117 



Paeunia. 76 

 Paliurus, 124 

 Pallenis. 180 

 Pancratium. 53 

 Panicum. 32 

 Papaver. 83 

 Paracaryum, 147 

 Parentucellia. 167 

 Parietaria, 62 

 Paronycliia. 67 

 Peganum, 118 

 Periploca, 145 

 Peucedanwn, 138 

 Phaca, 109 

 Pliagnalon, 178 

 Phalaris, 31 

 Phelipaea, 167 

 Pliillyrea, 144 

 Phleura, 33 

 Phlomis, 155 

 Plioenix, 42 

 Pliragniites, 34 

 Physanthyllis, 107 

 Physospermum, 138 

 Phytolacca, 66 



PicnonKm, 186 

 Picridium, 194 

 Pieris, 192 

 Pimpinella, 139 

 Pinguicula, 167 

 Pinus. 28 

 Piptathernm Sn 

 Pirus, 100 

 Pistaeia, 122 

 Pisum, 115 

 Planera, 61 

 Plantago, 169 

 Platantliera, 58 

 Platanus, 99 

 Plumbago. 144 

 Poa, 36 



Podospermum, 192 

 PoUinin, S2 

 Polycarpon. 67 

 Polygala. 118 

 Polygonum, 64 

 Polypodium, 27 

 Polypogon, 33 

 Populus, 53 

 Posidonia, 31 

 Potentilla, 99 

 Potermm, 10(1 

 Prasium, 152 

 Prosopis, 101 

 Profeinia, 75 

 Psamma, 33 

 Pseudorlaya, 136 

 Psilurus, 39 

 P.soralea, 108 

 Pteranthus. 67 

 Pteridium, 26 

 Pteris, 26 

 Pterocephalus, 175 

 Pteroneurum, 86 

 Pterotheca, 193 

 Pulicaria. 179 

 Punica, 134 

 Putoria, 170 

 Pl/rus, 100 



Quereus, 60 



Ranunculus, 80 

 Raphanus, 92 

 Rapistrum. 91 

 Reseda, 92 

 Rhagadiolus, 191 

 Rhamnus, 125 

 Bhinanthus, 167 

 Rhus, 123 

 Riciuus, 119 

 Ridolfia, 139 



Rodigia, 193 

 Roemeria, 83 

 Romulea, 55 

 Rosa, 99 

 Rosmarinus, 152 

 Rubia, 172 

 Rubus, 99 

 Rumex, 63 

 Ruppia, 31 

 Ruscus, 53 

 Ruta, 118 



Sagina, 67 

 Salicornia, 65 

 Salix. 58 

 Salsola, 65 

 Salvia, 157 

 Samolus, 142 

 Sanguisorba, 100 

 Saponaria, 74 

 Satureia, 159 

 Saxifraga, 96 

 Scabiosa, 174 

 Scaligeria, 136 

 Scandix 135 

 .Schismus, 36 

 Schoenus, 40 

 Soilla, 48 

 Scirpus, 40 

 Scleranthus, 67 

 Sclerochloa, 36 

 Scleropoa, 37 

 Scolyraus, 190 

 Scorpiurus, 110 

 Scorzonera, 192 

 Scrophularia, 165 

 Scutellaria, 152 

 Securigera, 107 

 Sedum, 93 

 Selaginella, 28 

 Sempervivum, 96 

 Senebiera. 91 

 Senecio, 183 

 Serapias, 56 

 Smola, 191 

 Serratula, 187 

 Seseli, 140 

 Setaria, 32 

 Sherardia, 170 

 Sideritis, 153 

 Silene, 72 

 Siler, 141 

 Silybum, 186 

 Sinapis, 88 

 Sisymbrium, 87 

 Smilax, 53 

 Smyrniuui, 137 



Solanmu, 163 

 Sonchus, 194 

 Sorbus, 100 

 Sorghum, 32 

 Specularia, 177 

 Spergularia, 68 

 Sphenopus, 35 

 Stachys, 157 

 Statiee, 143 

 Stellaria, 70 

 Stenophragma, 87 

 Stipa, 32 

 Styrax, 144 

 Suaeda, 65 



Tamarix, 130 

 Tamus, 44 

 Taraxacum, 193 

 Telephium, 67 

 Telmissa, 96 

 Tetragovolobus, 101 

 Teucrium, 151 

 Thapsia, 140, 141 

 Thelygouum, 66 

 Thesium, 62 

 Thlaspi, 90 

 Thrincia, 192 

 Tbymbra, 161 

 Thymelaea, 133 

 Thymus, 162 

 Tillaea, 96 

 Tinaen, -56' 

 Tolpis. 191 

 Tordylium, 140 

 Torilis, 135 

 Tragopogon, 192 

 Tribulus, 118 

 Triclumema, 55 

 Trifolium, 105 

 Triglochin, 31 

 Trigonella, 104 

 Triplachne, 33 

 Tritieum, 38 

 Trixago, 167 

 Tuber arta, 131 

 Tulipa, 48 

 Tunica, 76 

 Turgenia, 135 

 Turritis, S4 

 Tussilago, 183 

 Typha, 30 



Ulex, 102 

 Ulmus, 61 

 Umbilicus, 94 

 Urachne, 33 

 Urginea, 48 



