124 THE PRACTICAL GARDEN -BOOK 



conservatory is heated from the heater which supplies the 

 dwelling house, it should have an extra amount of pipe ; 

 otherwise it will be necessary to keep the dwelling house 

 too hot for comfort in order to maintain the conservatory at 

 its proper temperature. It is always best, when practicable, 

 to heat the conservatory with a separate apparatus. There 

 are various small hot water and steam heaters, the size of coal 

 stoves, which are excellent for the purpose. For a small 

 conservatory, hot water is usually preferable to steam, since 

 it is less likely to fluctuate. For large establishments, how- 

 ever, the steam is usually the better. For further discus- 

 sions of related subjects, see Hotbed, Window Garden, 

 Potting and Watering. 



Grevillea. A very graceful greenhouse plant, 



suitable for house culture. The plants grow freely from 

 seed, and until they become too large are as decorative as 

 ferns. Grevilleas are really trees, and are valuable in 

 greenhouses and rooms only in their young state. They 

 withstand much abuse. They are now very popular as jar- 

 diniere subjects. Seeds sown in spring will give handsome 

 plants by the next winter. 



Gypsophila. BABY'S BREATH. Oypsophila 



muralisis one of the dainty little plants called Baby's Breath. 

 It is a low- growing annual forming compact mounds of green, 

 thickly covered with little pink flowers. It is one of the 

 most attractive border plants in cultivation. It is also a 

 charming pot-plant. G. paniculata is a hardy perennial hav- 

 ing panicles of bluish white flowers. This is very graceful, and 

 the flowers are fine for cutting and for use with sweet pea 

 bouquets or with other choice flowers. The panicles are so 

 lasting that they may be used in winter bouquets. The an- 

 nuals may be planted 1 foot apart; the perennials 3 feet. 

 Both are readily grown from seed, and bloom the first year. 



Hardy. A relative terra, used to denote a 

 plant which endures the climate (particularly the winter 



