8 FOUNDATIONS OF BOTANY 



Ovary 1, compound ; fruit dry. FAMILY PAGE 



Ovary 5-celled, 1-2-seeded at maturity .... 63. Linden .... 146 



Ovary 3-celled, many-seeded 68. Begonia . . .152 



Ovary 1, compound; fruit fleshy 45. Rose 105 



Ovaries numerous. 

 Leaves with, stipules. 

 Stamens inserted on the receptacle .... 34. Magnolia ... 85 



Stamens inserted on the calyx 45. Rose 105 



Leaves not with stipules. 



Small trees 36. Pawpaw ... 88 



Leaves opposite ; fruit dry. 



Ovary single, 3-5-celled 43. Saxifrage ... 101 



Ovaries several, enclosed by the calyx tube . . 35. Calycanthus . . 87 

 Herbs. 



Ovary single, simple ; fruit a berry 33. Barberry ... 84 



Ovaries several, simple. 

 Stamens inserted on the receptacle ..... 32. Buttercup ... 77 



Stamens inserted on the calyx .....'.. 45. Rose 105 



Ovary compound. 



Aquatic herbs, leaves flat 31. Water-lily . . 75 



Marsh herbs, leaves tubular 42. Pitcher-plant . 101 



Terrestrial herbs. 

 Ovary 1-celled. 



Placentae central, juice watery ..... 29. Purslane ... 70 

 Placentae parietal, juice milky or colored . 38. Poppy .... 89 



Placentae 2, parietal . 40. Caper .... 99 



Placentae 3 or more, parietal. 



Leaves alternate 41. Mignonette . . 100 



Leaves opposite 65. St. Johnswort . 148 



Leaves apparently wanting, stems fleshy . 69. Cactus . . . .154 

 Ovary several-celled, stamens monadelphous . 64. Mallow .... 147 

 Ovary 3-celled, stamens not much if at all 

 monadelphous, stems fleshy, juice watery 

 and acid 68. Begonia .... 152 



B. 



Stamens not more than 10. 

 Trees, shrubs, or woody vines. 

 Fruit a stone-fruit. 

 Stamens 2, rarely 3-4 78. Olive 175 



