54 
BEAUTIFUL GARDEN FLOWERS. 
carpatica and pulla or pusilla ) ; Portenschlagiana or 
muralis, 3 inches, an excellent carpet plant with 
pale purple flowers from May to August ; pulla, a 
charming plant, 3 to 6 inches high, with violet-blue 
flowers in June and July. Closely related is a hybrid 
form called G. F. Wilson, about 1 foot high, with 
deep blue flowers ; pusilla, 4 to 6 inches high, blue, 
July and August ; also a white variety ; Eaineri, 3 
inches high, blue, very attractive to slugs ; rotundi- 
folia, the Harebell, 6 to 12 inches high, blue and 
white ; Waldsteiniana, 3 to 6 inches high, violet-blue ; 
fWarleyi, 6 inches high, bright purple with 2 alter- 
nating' corollas ; Zoysi, 3 inches high, pale blue. 
All the foregoing kinds flourish in rich, sandy, 
and well-drained soil, overhanging the stones, or 
furnishing a nook here and there in the rock garden. 
They may be increased by seeds, cuttings, or division. 
The following Bell-flowers being taller and more 
bushy in habit may be grown in the flower border in 
groups, or in beds by themselves. Except where 
otherwise stated they all have bluish-violet or purple 
flowers. The height, in feet, is given in brackets after 
each name : alliariaefolia (l-|feet), white ; betonicsefolia 
(1-| feet) ; bononiensis (2 to 3 feet), also a white variety ; 
glomerata (1 to 2 feet), with a fine variety called 
dahurica, a double-flowered one (fore pleno), and a 
white one (alba) ; grandis (1 to 2 feet), also a white 
variety; Hendersoni (1 foot); lactiflora (2 to 6 feet), 
milky white, also a blue variety ; lati folia (3 to G feet), 
with several varieties (Plate 24, fig. 64), the best 
being Burghalti and Van Houttei, and a white one, 
macrantha alba (fig. 65) ; mirabilis (1 to 2 feet) ; 
