10 
Leaves dotted. Ajiyridacea. 
Leaves not dotted. 
Plants with resinous juice. Anacardiacea. p. 84. 
Plants with watery juice. Connaracea. 
8. Placentas in the axis. 9 
Placentas parietal. 
Flowers imperfect, some staminate, some pistillate. 
Papayacea. 
Flowers perfect, having both stamens and pistils. 
Turneracea. 
9. Styles more or less combined. 10 
Styles distinct to the base. 
Carpels, each with a hypogynous scale. Crassulacea. 
Carpels two, without scales. SaxifragaceJe. p. 131. 
10. Calyx valvate in the bud. 11 
Calyx imbricate in the bud. 
Sepals two. Porturacacea. p. 69. 
Sepals moi’e than two. 
Ovules ascending. Celastracea. p. 87. 
Ovules suspended. Bruniacea. 
11. — Stamens as many as the petals, and opposite to them. 
Retamnace a. p. 86. 
Stamens alternate with the petals. Lythracea. p. 149. 
12. — Carpels combined into a solid pistil. 18 
Carpels distinct, or solitary. 
Fruit a pod. Odd sepal inferior. Leguminosa. p. 94. 
Fruit not a pod. Odd sepal superior. Rosacea, p. 115. 
13. — Placentas in the axis. 14 
Placentas parietal. 
Flower with a ring of abortive petals. 
Passifloracea. p. 157. 
Flower without abortive petals. Moringacea. 
14. — Styles more or less combined. 15 
Styles distinct to the base. 
