KEY 



11 



Family 

 Ovary superior; seeds few, large . . 78. Ebony . 



Ovary superior ; seeds many, small . . . 89. Nightshade 

 Ovary inferior . . . 76. Heath 



(b) Leaves opposite. 



* Fi-uit a 2-celled, 2-seeded capsule . . 95. Madder 

 ** Fruit a 2-o.elled, many-seeded capsule. 



Seeds large, winged . .91. Bigiionia . 



SeedsnotwJngedexceptinZ>icri'(7/a; shrubs 96. Honeysuckle . 

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



* * * « Fruit a drupe or berry. 



Fruit 1-2-seeded (in Forsythia many-seeded) ; 



stamens 2 

 Fruit 1-4-seeded ; stamens 4 

 Fruit 1-5-seeded ; stamens 5 



(2) Herbs, 

 (a) Ovary superior, flowers regular. 



* Ovary separating into 2 distinct follicles. 



Style single, stamens distinct 

 Styles 2, stamens united. . ... 



* * Ovary 1-celled. 



Fruit a legume . .... 



Fruit a capsule. 

 Leaves alternate. 

 Stamens opposite the lobes of the corolla 

 Stamens alternate with the lobes of the 

 corolla . . ... 



Leaves opposite 



Leaves all reduced to mere scales, plants 

 never green, root parasites 



• « » * Ovary 2-several-celled. 



Stamens 2 or 4 . 



Stamens 5, cells of the ovary 1-2-seeded. 



Fruit separating into 4 nutlets 



Fruit a capsule 

 Stamens 5, cells of the ovary several-seeded. 



Stigma 1 . . ... 



Stigmas 3 . . . 



(6) Ovary superior, flowers zygomorphic. 



* Ovary 1-celled. 



Fi-uit a legume . ... ... 47. Pea or Pulse . 



79. Olive 



87. Verbena 



96. Honeysuckle , 



81. Dogbane . 



82. Milkweed . 



47. Pea or Pulse 



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