CAMPANULACE/E 365 



P. orbicular e* (PI. LXI11). Stem 16-20 in., erect, 

 stiff; leaves crenate-serrate, somewhat pubescent; flowers 

 violet-blue, in globose capitules, with rounded-ovate 

 bracts at the base. Abundant in meadows of all 

 mountainous districts. May- July. Useful plant for 

 cultivation in rockeries and borders; partial sun, light 

 and rather cool soil. A white flowered variety which we 

 had in cultivation has been lost. 



P. Scheuchzeri is a glabrous evergreen ; radical leaves 

 ovate-oblong, margins serrate ; upper leaves elongate, 

 linear ; stem erect, with a round head of close-set flowers, 

 deep violet-blue, above a whorl of narrow, spreading or 

 reflexed bracts, which are longer than the flowers. July- 

 August. Rock-crevices in the central and eastern Alps. 

 1 000-2200 m. 



P. hemisphaericum (PI. LXIV). Small, grassy plant; 

 leaves graminiform, long, linear, numerous ; stems slender, 

 many, 2-6 in. ; capitule of violet tinted blue, with ovate- 

 lanceolate bracts. Summer flowering. Poor turf in the 

 granitic Alps. i5oo-22oo m. P. humile differs in its 

 larger leaves, finer flowers, with bracts as long or often 

 longer than the flowers. July-August. Eastern Alps. 

 2000-2700 m. 



P. pauciflorum (PI. LXIV). An altogether dwarf plant, 

 forming small, low carpets of glabrous leaves, the upper 

 part of the lamina enlarged, obovate; flowers blue, 5-j 

 on small heads. July-August. High, dry and rocky 

 pastures of the Alps. 1 5oo-25oo m. 



Campanula 



Eng.: Bell-flower; Fr.; Campanule ; Ger.: Glockenblume. 



To choose among Campanulas is a work of superero- 

 gation ; the simplest and most satisfactory advice is that 



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