920 PATAGONIAN EXPEDITIONS: BOTANY. 



12. Calyx developed. Ovary I -celled; style simple; stigma ter- 

 minal. Seeds with endosperm. Flowers in an involucrate 

 head. Family 108. Dipsacacca, Teasel, p. 750. 



g2. Stamens connivent or united. (Campanulales.) Flowers typically 5- 

 merous, isostemonous, usually with gynecial oligomery. Ovary 

 several-celled, with several to i seed in each cell, or only i -seeded. 

 Mostly herbs ; sometimes shrubs. Leaves exstipulate. 

 h. Stamens not united (except in subfam. Lobeliece and some 



Goodeniaceez). 



i. With segmented milk-ducts. Ovary 2-several-celled. Style 



non-indusiate. Family 109. Campanulacece, Bellflower, p. 751. 



12. No milk ducts. Ovary i 2-celled, I- to many-ovuled. Style 



indusiate. Leaves simple. Family no. Goodemact(e t p.7$$. 



tt2. Stamens 2, united by their filaments to the style. Ovary 2-celled, 



seeds numerous, with endosperm. No milk-ducts. 



Family ill. Candolleacece, p. 756. 

 ^3. Stamens isomerous with the corolla-lobes, more or less united. 



Flowers in involucrate heads. 



i. Filaments united, and base of anthers. Style undivided ; stigma 

 capitate. Seed pendulous, with little endosperm. Calyx rep- 

 resented by teeth or lobes. Family 112. Calyceracece , p. 756. 

 12. Anthers normally united. Style 2-branched (except in the 

 barren flowers). Seed erect, without endosperm. Calyx rep- 

 resented by a pappus or wanting. 



Family 113. Composites, Daisy, p. 764-906. 



