278 SUMMER FLOWERS. 



sessile, deep blue, in small clusters in the upper leaves, the 

 uppermost ones forming a compact leafy head. Dry pastures. 

 Fl. July, August. In very dry soils it sometimes becomes 

 much dwarfed, sometimes reduced to one or two inches in 

 height, and single-flowered. 



{ J Capsule stalked, nodding. 



C. Trachelium : stem 2-3 feet high, erect, simple, leafy ; 

 leaves on long stalks, broadly heart-shaped coarsely-toothed, 

 the upper ones small, ovate-lanceolate; flowers large, deep 

 blue, 2-3 together in short leafy racemes in the upper axils 

 or at the summit of the stem, sometimes solitary ; calyx with 

 broad lanceolate segments. Hedges and thickets. Fl. July, 

 August. 



C. latifolia : stems 2-3 feet high, erect, simple, leafy ; leaves 

 ovate-lanceolate, pointed, toothed, narrowed at the base, the 

 lower ones stalked; flowers large, blue or white, solitary in 

 the axils of the upper leaves, forming a leafy raceme, the 

 uppermost exceeding the leaves; calyx with long lanceolate 

 segments. Woods and thickets. Fl. July, August. 



C. rotundifolia : radical leaves orbicular or heart-shaped, 

 those of the stem narrow-lanceolate or linear, entire ; stems 

 ascending or erect, 6-18 inches high, often branched, with a 

 few elegantly drooping blue, bell-shaped flowers, in a loose 

 raceme or panicle, sometimes solitary. Harebell. Hilly 

 pastures, heaths, banks ; and roadsides. Fl. July, August 

 ft Capsules opening at top. 



C. hederacea : stems slender, prostrate, branched, thread- 

 like ; leaves small, delicate, mostly orbicular or broadly heart- 

 shaped, with a few broad, angular teeth ; flowers on long, fili- 

 form peduncles, drooping in the bud, nearly erect when fully 

 out, and often drooping again as the fruit ripens : corolla 



