POLYPETALAE. 81 
101 (2) Flowers unisexual, regular. Shrubs or 
trees.* Sepals 4-5. Petals 4-5, Styles 
or sessile stigmas 4-5. Tropical America. 
Guttiferae. 
(2) Flowers hermaphrodite. Shrubs or trees 
with irregular flowers, or herbs or under- 
shrubs. 102. 
102 (a) Style 1, entire, with an entire or 2-lobed 
stigma. Ovary 3-celled. Flowers irreg- 
ular. Shrubs or trees. Leaves entire. 
Fertile stamen usually 1, rarely 2 or 
5-10. South America. Vochysiaceae. 
(4) Style 1, with a 5-partite or rarely 
3-partite stigma, or with several 
branches, or styles several, distinct. 
Ovary 5-celled, rarely 3-4-celled, but 
then flowers regular. 103. 
103 (a) Style 1, undivided or cleft at the top, or 
wanting, and then 1 or several sessile 
stigmas. Ovules in each cell 2, rarely 
and only in irregular flowers more 
numerous. Herbs or undershrubs, rarely 
shrubs. Geraniaceae, 
(0) Styles 2-5, free, with capitate stigmas, 
* So also some Euphorbiaceae with 6 unequal perianth- 
leaves and 3 styles. 
F 
