POLYPETALAE. 83 
(2) Leaves exstipulate. Lib: 
106 (a) Segments of the calyx imbricate in the 
bud (at least in the young bud). 107. 
(6) Segments of the calyx valvate or open 
in the bud. EEE 
107 (az) Stamens 2-10. 108. 
(0) Stamens more than 10. 110. 
108 (a) Ovary lobed. Style usually 1. Leaves 
usually lobed or compound. Herbs or 
undershrubs, rarely shrubs with irregular 
flowers. Ovary B-celled. Geraniaceae. 
(6) Ovary entire. Styles usually several. 
Leaves simple, entire or rarely dentate. 
109. 
109 (2) Stamens free, 5. Shrubs or trees. 
Ovary 2-3-celled. Flowers regular. Tro- 
pics. Chailletiaceae. 
(0) Stamens united at the base. Herbs or 
undershrubs, more rarely shrubs or 
trees, but the stamens 10. Ovary 5- 
celled, rarely 3-4-celled. Flowers regular. 
Lineae. 
110 (@) Petals 4. Ovary upon a long gynophore, 
Stigma sessile. Ovules in each cell 
more than 2. Capparideae, 
(4) Petals 5. Ovary sessile.* Style 1, simple. 
“So also some Dilleniaceae with stipuliform wings on 
the petioles, and with several distinct styles, 
