PERENNIAL BELLFLOWERS. 
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variety of the Canterbury Bell is that known as 
calycanthema, in which the calyx has assumed the 
form and colour of the corolla; and in some variations 
there is the appearance of two or three “ bells ” 
inserted one within another. The “ Cup and Saucer,” 
and “ Hose and Hose ” forms belong to this group. 
Canterbury Bells are easily raised from seeds sown in 
spring or early summer, the young plants being 
pricked out when large enough, and transplanted 
about September — 12 to 18 inches apart — to their 
flowering quarters for next year. 
Perennials. — There are more than 100 species, and 
almost innumerable varieties or seedling forms of 
perennial Bell-flowers. They are all beautiful, and 
may be utilised in various ways according to their 
height and habit, many being more particularly suited 
for the rock garden than for the ordinary border. 
Amongst those most useful for clothing the rock 
garden may be mentioned abietina, 9 to 15 inches high, 
with purple-red or pale blue flowers from May to 
J uly ; Allioni, 4 inches, with blue (or rarely-white) 
flowers from July to September; alpina, 3 to 9 
inches, with deep blue flowers from May to July ; 
casspitosa, 4 to 6 inches, deep blue, May to August, 
and white in the variety alba ; carpatica , 9 to 12 
inches, blue, and also white and lilac from June to 
August ; cenisia, 3 to 6 inches, blue ; Elatines, a 
trailing species, about 3 inches high, with bluish- 
purple flowers from June to August; garganica, 3 to 
G inches, blue, May to September, also a white 
variety ; haylodgensis, 6 to 9 inches, with blue 
flowers in August (supposed to be a hybrid between 
