KEY TO THE FAMILIES. 15. 



Stamens not 6, or if 6 then not 4 longer and 2 shorter, or 

 flower different otherwise. 113. 



113. Ovary L Entire or lobed. II4. 

 Ovaries 2 or more distinct, or united at the base only. 226 



114. Ovary 1 celled, sometimes with incomplete partitions or con- 



taining 1 or more empty rudimentary cells besides the 



fertile one. 115. 



Ovary 2 or more celled, the partitions sometimes not quite 



reaching the apex; or one cell only fertile, the others 



empty, but well developed. 156. 



115. Ovule 1. 116. 

 Ovules 2 or more. I26. 



116. Ovule erect or ascending, or attached by a basal funicle. 117. 



Ovule pendulous or descending. I22. 



117. Leaves stipulate. Sepals 5. 118. 

 Leaves exstipulate. I2O. 



118. Stigmas 2—3. Flowers regular. 45 CARYOPHYLLACEAE. 

 Stigma 1. 119. 



119. Style basal or nearly so. 67 ROSACEAE. 

 Style terminal, or nearly so. Stamens 5 — 10. 



69 LEGUMINOSAE. 



120. (117) Sepals more than 2. 83 ANACARDIACEAE. 

 Sepals 2. I2I. 



121. Leaves undivided. Style 3 parted. (Portulacaria). 



44 PORTULACACEAE. 

 Leaves dissected. Style simple. 53 PAPAVERACEAE. 



122. (116) Leaves stipulate. 123. 

 Leaves exstipulate. I24. 



123. Flowers irregular. Style simple. 69 LEGUMINOSAE. 

 Flowers regular. Styles 3 — 4 (Erythroxylon). 



73 ERYTHROXYLACEAE. 



124. Flowers unisexual. Stamens opposite or more than the 



petals. Leaves simple or digitate. 



49 MENISFERMACEAE. 



Flowers hermaphrodite or polygamous, or, if unisexual 



stamens alternating with the petals or leaves pinnate. 125. 



125. Style simple. Stigma entire. Leaves undivided. 



106 THYMELAEACEAE. 

 Stigma lobed. Leaves pinnate. 83 ANACARDIACEAE. 



126. (115) Ovules 2. 127. 

 Ovules 3 or more. 138. 



127. Ovules or their funicle erect or ascending. I28. 

 Ovules or their funicle pendulous or descending. 133. 



128. Ovules one above the other. If not, then flowers irregular 



and style terminal. 1 2 9- 



Ovules side by side. Flowers regular. If not, then stylfe 



basal. 130. 



