34 LUTHER BURBANK 



tunities for the development of a new fruit- 

 bearing Rubus. 



Conceivably the attempt to hybridize this 

 species and the Bridal Rose or the ordinary rasp- 

 berries might lead to interesting results. 



FRUIT-BEARING SHRUBS 



Among other plants with undeveloped fruit- 

 ing possibilities are some shrubs of the heath 

 family (Ericacece), relatives of the rhododen- 

 drons among flowering shrubs and the huckle- 

 berry among fruit bearers. 



Of these the best known is the form of 

 Arbutus called the Strawberry tree. This is 

 commonly grown both in Europe and America, 

 and considerably prized as an ornamental shrub. 

 It is a small shrub, varying a good deal in size, 

 but commonly growing to the height of about 

 six feet. 



It bears berries that vary in size and color, but 

 which in general are red, suggesting the common 

 name given the shrub. 



There are several other species of Arbutus, 

 among them some of the most beautiful trees and 

 shrubs for the adornment of lawns. One of the 

 most prized species is the California form known 

 as the Madrona, which sometimes grows to a 

 height of about one hundred feet, and which 



