540 KEY TO THE FAMILIES. 



Stamens borne on the calyx 



Ovary superior, or free from the calyx 

 Stamens as many as the petals 



Leaves opposite Strawberry-shrub 190 



Ovary solitary, i -celled 



Fruit a drupe Plum 251 



Fruit a legume . . . Senna and Pea 258, 264 

 Ovary solitary, 2-or more celled 



Style single ..... Loosestrife 354 

 Styles 2 . . . Saxifrage and Maple 214,320 



Styles 2-3, each 2-3 parted. . . . Spurge 299 

 Ovary inferior or united more ot less with the calyx 

 Ovules more than one in each cavity of the ovary 

 Calyx tube merely enclosing the ovary 

 Anthers opening longitudinally . . Loosestrife 354 

 Anthers opening by pores at the apex. Meadow Beauty 356 

 Calyx tube adnate to the ovary. Storax, Evening Primrose 



415,407 

 Saxifrage and Gooseberry 214, 225 

 Ovules one in each cavity of the ovary 



Stamens 5 . . . . Ginseng and Parsley 364, 362 

 Stamens 8 Witch Hazel 227 



