PAPERS ON BOTANY 171 



Hewitt, J. L., and Hayhurst, P. 



1911. Fly-Speck Fungus. Sooty Fungus. In Diseases of Apple 

 Trees and Fruit Caused by Fungi and Insects. Ark. Agr. 

 Exp. Sta. Bui. 109, p. 439. 

 Stated that the fungus occurs on branches and twigs 

 of apple trees as well as other plants in the orchard, 

 but no specific examples cited. 

 Howitt, J. E. 



1911. Sooty Blotch of Apple. I7i Ontario Agr. Col. and Exp. 



Farms Annual Rpt. 29, p. 51, illus. 



Brief descriptive notes. Bordeaux mixture when apples 

 size of hickory nuts recommended in control. 

 Ballon, F. H. 



1912. The Rejuvenation of Orchards. Ohio Agr. Exp. Sta. Bui. 



240, p. 511. 



Sooty fungus controlled with lime-sulfur or Bordeaux 

 mixture applied late in July. 

 Beach, S. A. 



1912. Sooty Blotch. Fly Speck. In Spraying Practice for Orch- 

 ard and Garden. Iowa Agr. Exp. Sta. Bui. 127, p. 52-53, 

 61-62. 



Spray schedule for control. 

 Brooks, Chas. 



1912. Sooty Blotch and Fly Speck. Leptothyriuvi povii. 



In Some Apple Diseases and Their Treatment. N. H. 

 Agr. Exp. Sta. Bui. 157, p. 15, fig. 17. 



Dependent on moist weather for development. Read- 

 ily controlled by spraying and pruning. 



Clinton, G. P., and Britton, W. E. 



1912. Tests of Summer Sprays on Apples, Peaches, etc. Conn. 

 Agr. Exp. Sta. Rpt. 1911, p. 357. 



Lead arsenate used alone gave noticeable control. 



Quaintance, A. L., and Scott, W. M. 



1912. Sooty fungus and fly speck. In The More Important Insect 



and Fungous Enemies of the Fruit and Foliage of the 

 Apple. U. S. Dept. Agr. Farmers' Bui. 492, p. 36-37, 

 fig. 21. 

 Give description. Disease is common in eastern 

 states. Regular spray schedule, appended, will 

 control. 

 Stevens, F. L. 



1913. Phyllachora pomigena (Schw.) Sacc. Leptothyrium pomi 



(M. & F.) Sacc. In The Fungi Which Cause Plant Di- 

 sease, p. 220, 529. 

 Gives morphology of the fungi. Notes meager knowl- 

 edge of life histories. 



