CAMPANULACEAE. 353 



Family 103. CAMPANULACEAE. Bell^ 

 FLOWER Family. 

 Herbs with alternate exstlpulate entire dentate or 

 rarely lobed leaves, acrid and usually milky juice, and 

 racemose, splcate, paniculate or solitary perfect flowers. 

 Calyx-tube adnate to the ovary, its limb mostly 5-lobed 

 or 5-parted. Corolla regular or irregular, its limb 5- 

 lobed, regular or more or less 2-lipped, or corolla rarely 

 divided into separate petals. Stamens 5, alternate with 

 the corolla-lobes, inserted with the corolla on the calyx 

 where it becomes free from the ovary; filaments separate 

 or connate; anthers 2-celled, introrse, separate or united. 

 Ovary 2-5-celled or rarely 6-10-celled, the placentae pro- 

 jecting from the axis or with 2 parietal placentae; st^de 

 simple; stigma mostly 2-5-lobed. Fruit a capsule or 

 berry. Seeds numerous and small; embryo minute, 

 straight; endosperm fleshy. (Including the family 

 LobeliacecB of some authors.) 



Corolla regular; stamens separate. 



Capsule opening on the side by 2-3 valves, 



which leave small round perforations. 1. Legouzia, 



Capsule opening by a hole left by the falling 



away of the base of the style. 2. Githopsis. 



Corolla irregular; stamens more or less united. 

 Anthers free, filaments more or less united; 



flowers minute. 3. Nemacladus. 



Anthers connate. 



Corolla-tube open to the base on 1 side. 4. Lobelia. 

 Corolla-tube closed. 5. Palmerella. 



1. LEGOUZIA Durand. 

 Annual herbs with long slender stems and branches, 

 alternate toothed or entire leaves, and axillary 2-bracted 

 flowers sessile or nearly so. The earlier flowers small, 

 cleistogamous, the latter with a blue or purple, nearly 

 rotate corolla. Calyx-tube narrow, the lobes in the 

 earlier flowers 3-4, in the latter 4-5. Corolla 5-lobed or 

 5-parted, the lobes imbricated in the bud. Filaments 

 flat; anthers separate, linear. Ovary 3-celled or rarely 

 2-celled or 4-celled; stigma usually 3-lobed. Capsule 

 opening by lateral valves, 



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