144 KEY TO PLANTS. 
Leaves simple, exstipulate. Flowers 
hermaphrodite. Goodenovieae. 
(6) Stigma without an indusium (but some- 
times surrounded by hairs). Juice 
usually milky. Leaves exstipulate. 
Campanulaceae. 
118 (a) Filaments combined with the style into 
a column. Herbs or undershrubs. 
Leaves entire. Anthers 2. Stigmas 
1-2. Australasia, South Asia, South 
America. Stylidieae. 
(2) Filaments free from the style. 119. 
119 (2) Flowers unisexual, regular. Stem climb- 
ing or prostrate. Leaves alternate. 
Stamens, placentas, and stigmas usually 
2! Cucurbitaceae. 
(4) Flowers hermaphrodite, more or less ir- 
regular. 120. 
120 (a) Stamens 2. Anthers waved, 1-celled 
or unequally 2-6-celled. Disc 0. Shrubs 
or trees. Leaves opposite, entire or 
dentate. Corolla almost regular. Ovary 
incompletely 2-celled. South America. 
Columelliaceae. 
(5) Stamens 4. Anthers not waved, 2-celled. 
Disc usually present. Leaves entire or 
dentate. Stigmas 1-2. Tropical America. 
Gesneraceue. 
