Gardening for Amateurs 



739 



potted singly in small pots, and will become commerce two white-flowered kinds, Ava- 

 established in these before winter. During lanche and Madame E. Mouillere, are par- 

 the first two seasons they should not be ticularly good. The production of blue 

 dried off in winter. Most of them may flowers on Hydrangeas has aroused much 

 reasonably be expected to flower in the interest. Two or three substances for turn- 

 third year. ing flowers blue are on the market, but their 



Humea elegans. A very showy biennial, preparation is at present a trade secret, 

 native of Australia. It sends up a large However, they can be purchased at a mod- 

 branching plume-like inflores- 

 cence of reddish colouring to 

 a height of 6 to 7 feet or 

 even more, and is then re- 

 markably effective, either in 

 the open garden or under 

 glass. Seed is sown in July, 

 and the 3 T oung plants are re- 

 potted as required. They 

 may be wintered in 5-inch 

 pots, in a greenhouse or 

 frame, where they are safe 

 from frost, but must not be 

 kept in a stuffy atmosphere. 

 In March they should be put 

 in their flowering pots, from 

 8 to 10 inches in diameter. 

 The rough-textured leaves are 

 agreeably scented. 



Hydrangea. The Hydran- 

 gea that is most generally 

 used for greenhouse decora- 

 tion is the common Hydran- 

 gea, H. Hortensia, represented 

 by several varieties. Grown 

 in large pots or tubs, it is 

 extremely useful in many 

 ways, and is often employed 

 for standing on terraces, bal- 

 conies, and similar positions. 

 The principal treatment to 

 give old-established plants is 



to CUt OUt any old and ex- Heliotrope, or Cherry Pie. The variety illustrated is 



hausted wood and to assist Madame de Bussy. 



the plants when growing with 



an occasional stimulant. Dwarf plants erate price. The hardy Hydrangea panicu- 



carrying one large head of blossom ~are 

 much appreciated. These are obtained by 

 striking cuttings of good shoots in the 

 month of July, and repotting them as 

 becomes necessary. They may be win- 

 tered in a frame safe from frost, and in 

 the spring, as growth recommences, freely 

 watered with liquid manure. Of the several 



lata grandiflora is often used for greenhouse 

 decoration. For the production of very 

 large heads the plants are pruned back hard 

 in winter, and are only allowed to develop 

 about three clusters of blossoms. They must 

 also be freely manured. 



Imantophyllum. (See Clivia.) 

 Impatiens. There are several species of 



new Hydrangeas that have been put into Impatiens, all quick-growing, free-flowering 



