KEY 



C. FAMILY PAGE 



Flowers not in catkins ; calyx present, sometimes petal-like. 

 Trees or shrubs. 

 Flowers not hypogyuovis ; plants not climbing . . 73. DogWOOd . . . 162 

 Flowers not hypogynous ; climbing plants .... 24. Dutchman's Pipe 64 

 Flowers hypogynous. 



Style single, not cleft, fruit a key. (Fraxuius) . 78. Olive 175 



Style single, not cleft, fruit a stone-fruit .... 87. Laurel 88 



Styles 2 or 2-cleft, fruit 1-celled 11). Elm 59 



Styles 2 or 2-cleft, fruit 2-celled 58. Maple 140 



Styles 3, each 2-cleft. Ovary 3-celled 58. Spurge . . . .135 



Herbs. 



Flowers not hypogynous ; ovary 6-celled 24. Dutchman's Pipe 64 



Flowers not hypogjnous ; ovary 1-celled ; flowers in 



umbel-like clusters 23. Sandalwood . . 64 



Flowers hypogj'nous ; ovary 1-celled. 



Stamens many 82. Buttercup ... 77 



Stamens few. 



Stipules sheathing the joints 25. Buckwheat . . . 66 



Stipules wanting. 



Rather fleshy herbs 26. Goosefoot ... 68 



Not fleshy. 

 Ovules on a free central placenta; delicate, 



soft-leaved herbs. {Stellaria) 80. Pink 71 



Ovule single. Tough, with awl-shaped leaves. 



(Scleranthus) 80. Pink 71 



Ovary several-celled. 

 Small prostrate herb ; leaves spatulate, whorled . 28. Ice-plant .... 69 

 Stipules present, not sheathing. 



Style single 21. Nettle 62 



Styles 2 20. Mulberry ... 61 



Flowers hypogynous, ovary 3-celled 53^ Spuro-e .... 185 



Flowers hypogj'nous, ovary 5-10-celled ; fruit a berry 27. Pokeweed ... 69 



II. PolypetalOUS Division. Calyx an<l corolla both present, the petals not united. 



A. 



Stamens more than 10. 



TreeSj shrubs, or woody vines. Leaves alternate. 

 Ovary 1, simple. 

 Fruit a stone-fruit 45, Rose 105 



