18 



Fruit a one or few-seeded berry'. Stamens numerous. Style single. 



Tropical trees. BARRINGTONTACE^. 

 Fruit a many-seeded capsule. Leaves opposite. Shrubs. 



PlIILADELPHACE^. p. 134. 



28. Carpels more or less distinct, or solitary, covered by the calyx. 



ROSACES, p. 115. 

 Carpels united. 



Leaves opposite. Fruit one seeded. RUIZOPHORACE^. 

 Leaves alternate. Fruit many seeded. LECTTHIDACE^B. 



29. Calyx superior, or adherent to tho ovary, or partly so. 39 

 Calyx wholly inferior, or free from the ovary. 



Leaves with stipules. 34 



Leaves without stipules, or with minute ones that soon drop off. 



Ovary consisting of two or more carpels united into one. 30 

 Ovary or ovaries simple, not composed of united carpels. 



Carpels each with a scale beneath. Mostly thick-leaved plants. 



CRASSULACEJE. p. 137. 

 Carpels without scales beneath. 



Carpels several, all perfect. CALYCANTIIACI-.J.. p. 130. 

 Carpels solitary, or all but one imperfect. 



Leaves with translucent dots. AMYRIDACE.E. 

 Leaves without translucent dots. 



Plants with a resinous or milky juice. ANACARTOACE.E. p. 84. 

 Tropical plants with watery juice. CONNARACEV:. 



30, Placentae in tho :ixis. 31 



Placentae parietal. Tropical plants. 



Flowers imperfect, some staminate, some pistillate. PAPAYACEJB. 

 Flowers perfect, having both stamens and pistils. TUI;XI;UACEJB. 



