16. KEY TO THE FAMILIES. 



129. Flowers regular. Stamens S. (Waltheria). 



96 STERCULIACEAE. 



Flowers irregular ; if not, then stamens more than 5. 



69 LEGUMINOSAE. 



130. Leaves compound. Climber (Cnestis). 



68 CONNARACEAE. 

 Leaves simple, undivided, or, if dissected, then herbs. 131. 



131. Styles 2. Leaves opposite. Herbs or under shrubs. 



45 CARYOPHYLLACEAE. 

 Style 1. Stigma 1. If leaves opposite, then shrubs or trees. 



132. 



132. Leaves alternate. Style basal. 67 ROSACEAE. 

 Leaves opposite. Style terminal or nearly so. 



85 CELASTRACEAE. 



133. Ovules one above the other. If not, flowers irregular, with 



9—10 stamens. 69 LEGUMINOSAE. 



Ovules side by side. Flowers regular. If not, stamens 3—6. 



134- 



134. Ovules attached laterally. Stamens 3 — 5. Flowers usually 



unisexual. Leaves exstipulate, usually compound. 



75 RUTACEAE. 



Ovules apical, rarely lateral, and then stamens more than S. 



Leaves simple. ,135. 



135. Stamens 4 — 5. Leaves exstipulate. 88 ICACINACEE. 

 Stamens 10 or more. Leaves stipulate. 136. 



136. Stamens 10, styles or stigmas 3 — 4. 



73 ERYTHROXYLACEAE. 

 Stamens 12 or more. 137. 



137. Style 1. Stigma 1. Stamens I2— 20. 67 ROSACEAE. 

 Styles 2 — 6 or style 1, stigmas 2, and then stamens more than 



2O. 100 FLACOURTIACEAE. 



138. (l26)Ovules basal or attached to a central placenta. 139. 

 Ovules attached to one or more parietal placentas. I44. 



139. Ovules basal. I4O. 

 Ovules attached to a central placenta. I4I. 



I4O Style or sessile stigma 1 entire. (Pleurostylia). 



85 CELASTRACEAE. 

 Styles stigmas or stigma lobes 2 — 6. 



45 CARYOPHYLLACEAE. 



141. Stamens 5 opposite petals. Fruit 1 seeded. (Embelia). 



119 MYRSINACEAE. 

 Stamens alternating with petals or fewer or more. I42. 



142. Calyx valvate. Style 1. Stigmas 1 or 2. 



107 LYTHRACEAE. 



Calyx imbricate. Style 1 with 3 or more stigmas or styles 2 or 



more. I43. 



