10 KEY AND FLORA 



Sepals G, stamens hypogynous, opposite the Family Page 



petals 34. Barberry ... 91 



** Corolla zygomorphic. 



Fruit a legume 47. Pea or Pulse . . 126 



Fruit a capsule. 



Stamens 5 67. Violet . . . .161 



Stamens 6, in 2 sets .39. Poppy .... 96 



(6) Ovary single, 2-5-celled, fruit usually dry. 

 * Ovary 2-celled (or 2 carpels nearly separate). 



Flowers in umbels, stamens 5 .... 73. Parsley . . .170 

 Flowersnot in umbels, petals 4 or 0, stamens 6 40. Mustard ... 99 

 Flowers not in umbels, petals 5, stamens 10 . 44. Saxifrage . . . 109 

 Flowers not in umbels, petals 3, stamens 6 or 8 53. Polygala . . . 145 



»* Ovary a 4-eelled capsule 71. Evening Primrose 168 



*** Ovary of 3 nearly distinct lobes, which become 



thick and fleshy in fruit 50. Indian Cress . . 142 



**** Ovary a 5-celled capsule, 

 t Leaves simple. 



Parasitic "white or yellowish herbs, or ever- 

 green herbs, not parasitic, capsule many- 

 seeded 75. Pyrola . . .177 



Terrestrial, not much if at all fleshy, capsule 



5-10-seeded 48. Geranium . . 140 



Terrestrial, stem fleshy and translucent, cap- 

 sule elastic, several-seeded 61. Balsam .... 153 



tt Leaves of 3 leaflets 49. Wood Sorrel . 142 



(c) Ovary of 5 principal cells, each moreor less divided 



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



mucilaginous, coating . 51. Flax . . 143 



(d) Ovary single, 2-6-celled ; fruit a berry .... 72. Ginseng . 169 



(e) Ovaries 2, seeds hairy-tufted ... . . 82. Milkweed 194 



III. Sympetalous Division. Calyx and corolla both present, the petals appearing 



more or less united. 

 (1) Trees, shrubs, or woody vines. 

 (a) Leaves alternate. 



• Fruit splitting open. 



Fruit a legnme 47. Pea or Pulse . . 146 



Fruit a 5-celled capsule . ... 76. Heath . . 179 



»» Fruit not splitting open, a drupe 56. Holly .... 149 



*** Fruit a berry. 



