BULLETIN 231] WALNUT CULTURE IN CALIFORNIA. 289 



or the advisability of planting it in those localities. It certainly should 

 not be planted in localities where the blight is very prevalent, on account 

 of fog and moisture in the spring and early summer. Farther inland, as 

 for instance in the Mount Diablo country and the dryer portions of the 

 other coast valleys, and in the Sacramento and San Joaquin valleys as 

 far as walnut culture may prove feasible, the variety is worthy of con- 

 siderable consideration, especially in regions not too much subject to 

 late spring frosts. In the latter case the Placentia probably blooms too 

 early to be worthy of consideration. There are a few young trees of the 

 variety in the northern portion of the State, but they are scarcely old 

 enough to be critically judged. In growth and general development 

 they are doing very well but have not yet begun to fruit abundantly. 

 Given freedom from late frosts and conditions not too favorable to 

 blight, there is no apparent reason why the Placentia should not do as 

 well in the north as in the south. 



PROLIFIC. 



(Disher's Prolific, Ware's Prolific.) 

 Origin. 



This variety originated in a Santa Barbara Soft Shell seedling tree 

 at Garden Grove, Orange County, California, which was selected by Mr. 

 D. C. Disher as being worthy of propagation. According to Mr. E. G. 

 Ware, who was closely associated with Mr. Disher, the tree was first 

 selected on account of the desirable form and size of the nuts rather 

 than for the quantity, which the present name of the variety implies. 

 It was found, however, that after young trees planted in orchard form 

 came into bearing they had a pronounced tendency toward early and 

 heavy bearing, from which the present name of the variety is derived. 

 Mr. Disher propagated a considerable number of trees of this variety, 

 mostly by budding on the southern California black root, and they 

 have been planted in orchard form to some extent, the oldest being now 

 in about their sixth year since planting in the orchard. Mr. C. W. Lef- 

 fingwell, Jr., has a considerable number of the trees upon his ranch at 

 East Whittier, Mr. Ware has five acres of six-year-old trees, and there 

 are a few other orchard plantings of this variety in the southern part 

 of the State. The variety has also been recently introduced into the 

 north, but cannot yet be judged in that part of the State. 



NUT. 



Size. 



Rather large on all the young trees of this variety and apparently 

 well sustained on the original tree. 



Form. 



Oval, quite elongated and decidedly symmetrical. Base and apex of 

 equal breadth, very obtusely pointed at both ends. 

 12231 



