BELL-FLOWER FAMILY ' 299 



involucre of several bracts ; calyx superior, 5-fid ; corolla polysym- 

 metric, rotate, deeply divided into 5 long linear segments ; 

 filaments broad at the base ; anthers free ; capsule 2 — 3-chambered, 

 bursting at the sides. (Name apparently connected with the 

 Greek phuton, a plant.) 



1. P. orbiculdre (Round-headed Rampion). — A singular plant, 

 consisting of a solitary, erect, leafy stalk, about a foot high, with 

 stalked, ovate, crenate radical leaves and few sessile, linear, 



wahlenbergia hederacea {Ivy-leaved Bell-flower). 



cauline ones ; flowers deep blue in a globose terminal head, which 

 becomes oblong when in fruit. — Chalky downs in the south-east ; 

 local. — Fl. July, August. Perennial. 



2. P. spicdtum (Spiked Rampion). — A taller species with 

 oblong heads of cream-coloured flowers, formerly cultivated for 

 the sake of its edible root, is found only in Sussex. — Fl. May — 1 

 July. Perennial. 



5. Campanula (Bell-flower). — Herbs with usually stalked 

 radical leaves ; cauline leaves scattered ; calyx superior, 5-fid ; 

 corolla bell-shaped, with 5 broad and shallow lobes ; filaments 



