INDEX 



TO THE 



ORDERS A ND GENERA. 



The numbers preceding generic names are those of Durand's hidex Generum 

 Phanerogamorum. When a genus considered distinct bj American authorities is by 

 Durand mcluded under some other genus, the number and name of the latter are 

 given in parentheses. Genera represented in North America by introduced species 

 only are printed in italics. ' 



Euphorbiaceae 108 



Equisetacese 144 



Ficoidese 45 



Filices 144 



Frankeniacese 11 



Fumariacese 5 



Gentianacese 82 



Geraniaceae 18 



Gnetaceae 114 



Goodeniacese 76 



Gramineae 133 



Guttiferse 15 



Hsemodoracese 117 



Haloragese 39 



Hamamelidese 39 

 Hydrocharidaceae 115 



Hydrophyllaceae 85 



Hypericacese 14 



Ilicineae 19 



Illecebraceae 102 



Iridaceae 117 



Juglandacese 111 



Juncaceae 123 



Labiatae 98 



Lauraceae 108 



Leguminosae 21 



Leituerieae 111 



Lemnaceae 124 



Lennoaceae 78 



Lentibulariaceae 96 



Liliaceae 118 



Linaceae 17 



Loasaceae 42 



Lobeiiaceae 85 



Loganiaceae 81 



Loranthaceae 108 



Lycopodiacese 146 



Lythraceae 89 



Magnoliaceae 3 



Malpighiacete 17 



Malvaceae 15 



Marsiliacese 147 



Mayaceae 122 



Melastomaceae 39 



Meliaceae 19 



Menispermaceae 4 



Myricaceae 112 



Myrsinaceae 79 



Myrtaceae 39 



Naiadaceae 125 



Nyctagiuaeeae 101 



Nymphaeaceee 4 



Olacineae 19 



Oleaceae 79 



Onagraceae 40 



Ophioglossaceae 146 



Orchidaceae 116 



Orobanchaceae 96 



Palmae 124 



Papaveraceae 4 



Passifloraceae 43 



Pedaliaceae 97 



Phytolaccaceae 105 



Piperaceae 108 



Plantaginaceae 101 



Platanaceae 111 



Plumbaginaceae 78 



Podostemaceae 107 



Polemoniaceae 83 



Polygalaceae 11 



Polygonaceae 105 



Pontederiacese 122 



Portulacaceae 13 



Primulaceae 78 



Ranunculaceae 1 



Resedaceae 19 



Rhamuaceae 19 



Rhizophoracete 39 



Rosaceae 32 



Roxburghiaceae 118 



Rubiaceae 50 



Rutaceae 18 



Salicaceae 113 



Salviniaceae 147 



Santalaceae 108 



Sapindaceae 20 



Sapotaceae 79 



Sarraceniaceae 4 



Saxifragaceae 36 



Scitamineae 117 



Scrophulariaceae 91 



Selaginaceae 97 



Selaginellaceae 146 



Simarubaceae 18 



Solanaceae 90 



Sterculiaceae 17 



Styracaceae 79 



Tamariscineae 14 



Ternstroemiaceae 15 



Thymelaeaceae 108 



Tiliaceae 17 



Turneraceae 43 



Typhaceae 124 



Umbelliferae 46 



Urticaceae 111 



Valerianaceae 52 



Verbenaceae 97 

 Violaceae " 10 



Vitaceae 20 



Xyridaceae 122 



Zygophyllaceae 17 



