42 VASCULAR PLANTS. 



Family IT. Campanulaceae. 



Calyx superior, 5-cleft. Stamens 5, alterna- 

 ting with the divisions of the gamopetalous co- 

 rolla, and inserted between the corolla and ova- 

 ry; anthers introrse. Ovary 2 — 5-locular; loculi 

 cc-ovulate; placenta central; style 1: stigmas 

 2 — 5. Fruit capsular. Leaves alternate. 



Lactescent herbs. 



1. Githopsis, Nutt. 



Calyx-tube clavate, 10-costate; with five nar- 

 row, persistent lobes. Corolla companulate, 

 5-lobed. Filaments 5, membranaceous. Ovary 

 3-locular; stigmas 3. Capsule club-shaped, 

 10-costate, enclosed by the calyx, opening by a 

 round hole at the apex. Seeds oo. 



0. dwarfish; flowers blue. 



2. Specularia, Heister. 



Calyx-tube elongated; lobes 5, narrow. Cor- 

 olla rotate, 5-lobed. Filaments 5, membrana- 

 ceous. Capsule elongated, opening by parietal 

 valves near the apex. Seeds go. 



. flowers blue. 



3. Campanula, Tom-n. 



Calyx-tube turbinate. Corolla campanulate. 

 Filaments 5, membranaceous at the base. Cap- 

 sule turbinate, opening by parietal valves. 



0. U. flowers blue. 



