320 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



other in the extreme East, frequenting open marshy glades or the 

 margins of streams at altitudes of 5,000 to 8,000 feet. I should 

 hesitate to attempt the cross-fertilisation of these two plants, even 

 though they are undoubtedly nearly allied species botanically. What 

 is desired by hybridisation is improvement of the attractive features 

 of a plant, and to that end I believe luxuriant growth is essential. It is 

 therefore necessary to study the natural tendencies of life, quite as much 

 so as to select plants which, when crossed, would produce a gocd combina- 

 tion of beautiful forms. 



