No. 3, April, 1921] ' HORTICULTURE 275 



1919. Kegley, H. C. a promising new Persian walnut. Amer. Nut Jour. 10: 54. 

 1919.— The Ehrhardt is a variety which may be expected to bear 25 to 50 per cent heavier 

 than any other known variety. It is resistant to blight and has a tendency to bear early. 

 It will prove most satisfactory and profitable in Southern California. — E. L. Overholser. 



1920. Kruckeberg, Henry W. A half million dollar nursery industry. Amer. Nursery- 

 man 32^: 119-120. 1920. — Statistics are given on the nursery and fruit business of California 

 and estimates are made of the increase over the last census. It is stated that the nurserymen 

 of California have made a serious and consistent effort to produce high grade stock, free 

 from pests, and to select varieties adapted to the special sections. — 'An account is also given 

 of the development of the California Nurserymen's Bud Selection Association. — J. H. 

 Gourley. 



1921. Linton, W. S. A great step in advance for nut culture. Amer. Nut Jour. 10: 67. 

 1919.— Through the agency of Senator H. A. Penny the Michigan legislature passed a bill 

 providing for extensive planting of nut bearing or other food producing trees along the high- 

 ways of the State of Michigan, and the maintenance, protection and care of such trees. — E. 

 L. Overholser. 



1922. Linton, W. S. Nut trees for highways and public places. Amer. Nut Jour. 11: 87. 

 1919. — 'The author recommends maple tree, black walnut (Juglans nigra) and butternut 

 (Juglans cinerea), and also the white oak (Quercus alba) and the bur oak {Quercus macro- 

 carpa). — E. L. Overholser. 



1923. McCrae, Lee. Foreign fruits at home on our west coast. Card. Mag. 32 : 203-204. 

 2 fig. 1920. — At least thirty kinds of introduced fruits, besides olives, apricots, and the citrus 

 varieties, are grown in Orange County, California. The conditions under which the various 

 fruits thrive are given, especially the requirements for mango, sapote, cherimoya, date, 

 papaya, avocado, and nutmeg. Other fruits mentioned are: St. John's bread or carob, 

 feijoas, pomegranates, persimmons, jujubes, varnish nuts, camphor, loquats, kumquat, 

 chaotes, citron, and guava. — H. C. Thompson. 



1924. Mawbray, Wallace. Vanilla beans. Practical Druggist 38": 61-62. 1920. 

 [Taken from Nation. Bottlers Gaz.]^An account of the discovery, history, habitat, growth, 

 curing, and assorting of vanilla "beans," Vanilla planifolia.—Wm. B. Day. 



1925. NoMBLOT, A., ET 'F. L.' La protection des nouveautes horticoles. [The protection 

 of horticultural novelties.] Rev. Hort. 92: 148-149. 1920.— Somewhat detailed suggestions 

 regarding means and methods for securing just consideration and recognition of new varie- 

 ties as well as protecting them against false exploitation. — -E. J. Kraus. 



1926. Patterson, J. M. Report of committee on markets and marketing. Amer. Nut 

 Jour. 11:75-78. 1919. 



1927. Pearcy, K. Fourth general meeting of the "Western Walnut Growers' Assn. Amer. 

 Nut Jour. 10: 32-33, 42. 1919.— Newly planted walnut tree should be cut off at about 30 

 inches and the next spring the shoot should be cut off at the height desired for the head— 

 4^-6 feet. — The filbert mite was introduced from Italy on filbert stocks. Injury consists in 

 galling the leaf and fruit buds and the catkins. It is satisfactorily controlled by application 

 of lime-sulfur spray (1 : 12) as early as the female blossoms are dried up. Possibly the aphis 

 transports walnut blight bacteria (Prof. Lovett).— £^. L. Overholser. 



1928. Perry, A. S. Pruning pecans in the Albany district. Amer. Nut Jour. 13:22. 

 1920. — By far the majority of growers prefer the medium height system, which brings all the 

 advantages of the low and high headed systems and has none of their disadvantages. Amount 

 of shade on ground and cultivation facilities are the main considerations. — E. L. Overholser. 



