366 DISEASES OF CROP-PLANTS 



Viruela. 



Fawcett, loc. cit. 



Maublanc, A. and Rangel, E. Bull, de Soc. Mycol. de France XXX, 

 41. 1914. 



Sclerotium Disease. 



Stahel, G. Dept. Land. Suriname. Bull. 42. 1921. 



CHAPTER XXI. DISEASES OF HEVEA. 



Stahel, G. De Zuid-amerikaansche Hevea-Bladziekte. Bull. 34, 

 Dept. Land. Suriname. 1917. 



CHAPTER XXII. DISEASES OF MINOR FRUIT TREES. 



Avocado. 

 Anthracnose. 



Rorer, J. B. The Fungus Diseases of the Avocado. Bull. Dept. of 

 Agric. Trinidad XVIII, p. 132. 1919. 



Mango. 

 Anihyacnose. 



Rorer, J. B., ibid., XIV, 164. 1915. 



CHAPTER XXIII. DISEASES OF BANANA. 

 General. 



Ashby, S. F. B«ll. Jamaica Dept. Agric. II, vi, 95. 1913. 

 Panama Disease. 



Ashby loc. cit. 



Brandes, E. W. Banana Wilt. Phytopathology IX, 339. 1919. 



Moko Disease. 



Rorer, J. B. Phytopathology I, 45. 1911. 

 Black Spot of Leaves et seq. 



Ashby loc. cit. 



CHAPTER XXIV. DISEASES OF CORN AND SORGHUM. 

 Dry Rot. 



Van der Bijl, P. A. Dept. of Agric. South Africa, Sci. Bull. 7. 1916. 

 Head Smut. 



Potter, A. A. Jrn. Agric. Res. II, 339. 1914. 



McAlpine, D. Jrn. Dep. Agric. Victoria VIII, 5, 290. 1910. 



CHAPTER XXV. DISEASES OF COTTON. 

 General. 



Edgerton, C. W. The Rots of the Cotton Boll. Louisiana Bull. 137. 

 1912. 



Internal Boll Disease. 



Nowell, W. The Fungi of Internal Boll Disease. West Indian Bulletin 



XVI, 152. 



Internal Disease of Cotton Bolls in the West Indies, ibid., XVI, 203 ; 



XVII, I. 



