12 BULLETIN 924, TJ. S. DEPARTMENT OF AGRICULTURE. 
LITERATURE CITED. 
1 1 Earle, F. S., and Roger*, J. M. 
1915. Citrus pests and diseases at San Pedro in 1915. In San Pedro Citrus 
Path. Lab., 1st Ann. Rpt.. 1915, p. 5-41, 19 fig. 
Fawcett, H. S. 
(2) 1910. Summer pruning for wither-tip. Fla. Agr. Exp. Sta. Press Bui. 151, 
2 p. 
(3) 1912. Report of plant pathologist. In Fla. Agr. Exp. Sta. Rpt, [1910] 11, 
p. lviii-lxvii. 
4 1914. Citrus diseases. In 8th Ann. Rpt., Cuban Nat. Hort. Soc, 1914, 
p. 21-30. 
(5) 1915. Citrus diseases of Florida and Cuba compared with those of California. 
Calif. Agr. Exp. Sta. Bui. 202, p. 149-210, 24 fig. 
Matz, Julius. 
1919. Citrus spots and blemishes. Porto Rico Dept. Agr. and Labor, Insular 
Exp. Sta. Circ. 16, 8 p., 3 col. pi. 
Roues, P. H. 
(7) 1905. Report of committee on diseases of Citrus. In Proc. ISth Ann. Meet- 
ing Fla, State Hort. Soc, 1905, p. 29-32. 
(8) 1911. Russeting and tear streaking caused by wither-tip fungus. In Fla. 
Agr. Exp. Sta. Bui. 108, p. 30-32, fig. 12-13. 
(9) Stevens, H. E. 
1918. Florida citrus diseases. Fla Agr. Exp. Sta. Bui. 150, p. 13-110. 
fig. 7-54. 
(10) Stevenson, J. A. 
1918. Citrus diseases of Porto Rico. In Jour. Dept, Agr., Porto Rico, v. 2, 
no. 2, p. 43-123, 23 fig. 
[11) YOTHERS, W. W. 
1918. Spraying for the control of insects and mites attacking citrus trees in 
Florida. U. S. Dept. Agr., Farmers' Bui. 933, 38 j>. ; 24 fig. 
o 
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