NEW TREES AND SHRUBS 155 



cuttings it is otherwise and until these become of fair 

 size and full of vigor it is necessary that they be grown 

 in a neutral soil. 



Except in extreme cases the difficulties are not in- 

 superable, and over the greater portion of the Pacific 

 Slope there is little to hinder successful gardening. 

 Parts of California have become one of the flower-seed 

 producing areas of the world and it is highly probable 

 that others will become famous for bulbs of the sorts 

 now obtained in such quantities annually from Hol- 

 land. The Roses of Oregon are renowned and the 

 highly colored apples from the northern areas of the 

 Pacific Slope are famed the world over. 



Many new plants have been raised on the Pacific 

 Slope by various people, including a new race of Roses 

 by crossing the Chinese Rosa odorata, var. gigantea and 

 the Himalayan R. Brunonii. Mr. John McLaren, the 

 Nestor of Californian gardening, has shown what an 

 infinite variety of beautiful plants can be successfully 

 grown in the open ground in and around San Fran- 

 cisco, and the wonderful collection in the Golden Gate 

 Park is a monument to the skill, foresight, and perse- 

 verance of this remarkable man. 



Now, recent exploration work in central and west- 

 ern China has added some hundreds of new plants to 

 western gardens and of these rather less than one half 



