8 



FOUNDATIONS OF BOTANY 



Ovary 1, compound ; fruit dry. 

 Ovary 5-celled, l-2-8eeded at maturity .... 



Ovary 3-celled, many-seeded 



Ovary 1 , compound ; fruit fleshy 



Ovaries numerous. 

 Leaves with stipules. 

 Stamens inserted on the receptacle .... 



Stamens inserted on the calyx 



Leaves not with stipules. 



Small trees 



Leaves opposite ; fruit dry. 



Ovary single, 3-5-celled 



Ovaries several, enclosed by the calyx tube . . 

 Herbs. 



Ovary single, simple ; fruit a berry 



Ovaries several, simple. 



Stamens inserted on the receptacle 



Stamens inserted on the calyx 



Ovary compound. 



Aquatic herbs, leaves flat 



Marsh herbs, leaves tubular 



Terrestrial herbs. 

 Ovary 1-celled. 



Placentae central, juice watery 



Placentae parietal, juice milky or colored . 



Placentae 2, parietal 



Placentae 3 or more, parietal. 



Leaves alternate 



Leaves opposite 



Leaves apparently wanting, stems fleshy . 



Ovary several-celled, stamens monadelphous . 



Ovary 3-celled, stamens not much if at all 



monadelphous, stems fleshy, juice watery 



and acid 



41. Mignonette . . 100 

 65. St. Johnswort . 148 

 69. Cactus . . . .154 

 64. Mallow .... 147 



68. Begonia . . 



152 



B. 



Stamens not more than 10. 

 Trees, slirubs, or woody vines. 

 Fruit a stone-fruit. 

 Stamens 2, rarely 3-4 . . 



78. Olive 175 



