$4. 
86. 
87. 
88. 
89. 
90. 
OL. 
407 
M’Cormack, Edna F. 
1910 Fungous diseases of the apple. Rep. State Entomol. 1909- 
1910:128-165. fig. 29. Deseription and recommendation 
of methods of control. 
5. Newby, T. T. 
1888 Spraying fruit trees. Trans. Ind. Hort. Soe. 1888:18-19. 
Discussion of spraying apple trees in particular. 
O’Neal, Claude E. 
1914 Some species of Nummularia common in Indiana. Proe- 
Ind. Acad. Sei. 1914:235-241. Description and key to 
five species of Nummularia, including N. discreta, a serious 
parasite. 
Orton, C. R.: 
1910 Disease resistance in varieties of potatoes. Proe. Ind. Acad. 
Sei. 1910:219-221. 
1911 The prevalence and prevention of stinking smut in Indiana. 
Proc. Ind. Acad. Sei. 1911:343-346. 
Osner, G. A. 
1911 Diseases of ginseng caused by Sclerotinias. Proc. Ind. Acad. 
Sci. 1911:355-364, figs. 1-6. Description of black and 
crown rots. 
Oskamp, J. 
1913 Strawberries. Ind. Agr. Exp. Sta. Bul. 164:764. Brief 
reference to leaf spot and mildew of strawberry. 
Pipal, F. J. 
1914 Oat smut in Indiana. Proc. Ind. Acad. Sei. 1914:191-196. 
Reference to oat smut demonstrations conducted in co- 
operation with county agents and data on prevalence of 
the smut in the State. 
‘9la. Plumb, C. S. 
1891 How to prevent smut in wheat. Hot water treatment recome 
mended. 
