10 FOUNDATIONS OF BOTANY 



Ovary single, 2-5-celled, fruit dry. FAMILY PAGE 



Ovary 2-celled. 



Flowers in umbels, stamens 5 72. Parsley .... 158 



Flowers not in umbels, petals 4 or 0, stamens 6 . 39. Mustard .... 93 

 Flowers not in umbels, petals 3, stamens 6 or 8 . 52. Polygala .... 134 



Ovary a 4-celled capsule 70. Evening Primrose 156 



Ovary of 3 nearly distinct lobes, which become 



thick and fleshy in fruit 49. Indian Cress . . 132 



Ovary a 5-celled capsule. 

 Leaves simple. 



Parasitic white or yellowish herbs, or ever- 

 green herbs, not parasitic, capsule many- 

 seeded 74. Pyrola 164 



Terrestrial, not much if at all fleshy, capsule 



5-10-seeded 47. Geranium ... 129 



Terrestrial, stem fleshy and translucent, cap- 

 sule elastic, several-seeded 60. Balsam .... 143 



Leaves of 3 leaflets 48. Wood-sorrel . . 131 



Ovary of 5 principal cells, each more or less divided 

 by a partition into 2 cells ; seeds flattish, with a 



mucilaginous coating 50. Flax 132 



Ovary single, 2-5-celled ; fruit a berry 71. Ginseng .... 157 



Ovaries 2, seeds hairy-tufted 81. Milkweed . . . 180 



III. GamOpetalOUS Division. Calyx and corolla both present, the petals more 

 or less united. 



Trees, shrubs, or woody vines. 

 Leaves alternate. 

 Fruit splitting open. 



Fruit a legume 46. Pea or Pulse . . 117 



Fruit a 5-celled capsule 75. Heath 166 



Fruit not splitting open, a stone-fruit . . . .55. Holly 138 



Fruit a berry. 



Ovary not adnate to the calyx ; seeds few, large 77. Ebony 174 



Ovary not adnate to the calyx ; seeds many, 



small 88. Nightshade ... 198 



Ovary adnate to the calyx 75. Heath 166 



Leaves opposite. 



Fruit a 2-celled, 2-seeded capsule 95. Madder .... 212 



Fruit a 2-celled, many-seeded capsule. 

 Seeds winged 90. Bignonia . ... 206 



