72 THE BOOK OF GARDEN DESIGN 
Osmunda Regalis.—Royal Fern. 
Spiraea Palmata. Fine foliage. The flowers produced 
in dense clusters are a soft rosy pink. 
Arundo Donax.—The Great Reed. 
Buphthalmum Speciosum. A handsome plant with 
heart-shaped leaves. The flowers are yellow with dark 
centres. 
Gynerium Argenteum.—Pampas Grass. 
Lythrum Salicaria.—Purple Loosestrife. This is the 
well-known showy plant of the country streams. For 
garden culture the improved variety roseum should be 
grown. 
The plants enumerated above will make an interesting 
collection for the water garden, others can be added from 
time to time. The great point to be observed is the 
proper regulation of plants of varying growth, so as to 
prevent overcrowding. Water gardens are frequently 
made and filled with interesting subjects, but owing to 
neglect the coarse growing plants are allowed to mono- 
polise the space and crowd out those of shyer habit. 
PLanTs FoR THE BoG GarDEN 
Cypripedium Spectabile.—Mocassin-flower. This is per- 
haps the finest of all bog plants, and hails from the 
woods of North America, where it grows to perfection. 
The plant forms handsome clumps, and the flowers are 
white marked with a rosy blotch. 
Primula Japonica.—This plant revels in the cool sur- 
roundings of the bog garden, and produces an abundance 
of rich crimson blossoms. P. rosea is a smaller variety, 
with polyanthus tufts of delicate pink flowers. P. sikki- 
mensis, with pale yellow flowers, is distinct. 
Dielytra Spectabilis—Bleeding Heart. 
Trillium.—Wood Lily. A beautiful plant, with rich 
green foliage and snowy three-petalled flowers. 
Parnassia Palustris—Grass of Parnassus. An easily 
