16 BULLETIN 82, L T . S. DEPARTMENT OF AGFJCULTUEE. 



Mei.hu?, I. E. 



1913. The powdery scab of potato (JSpongospora solani) in Maine. Science, n. s., 

 v. 38, no. 969, p. 133. 

 Morse, W. J. ■ 



1913. Powdery scab of potatoes in the United States. Science, n. s., v. 38, no. 

 9G7, p. 61-62. 

 Osborx, T. G. B. 



1911. SpongOBpora snbterranea, (Wallroth) Johnson. Annals of Botany, v. 25, 

 no. 98, p. 327-341, pi. 27. 

 Pethybridge, G. H. 



1910. Potato diseases in Ireland. Department of Agriculture and Technical 

 Instruction, Ireland, Journal, v. 10, no. 2, p. 241-256, 8 fig. 



1911. Investigations on potato diseases. Department of Agriculture and Tech- 

 nical Instruction, Ireland, Journal, v. 11, no. 3, p. 417-449, 14 fig. 



1912. Investigations on potato diseases. Department of Agriculture and Tech- 

 nical Instruction, Ireland, Journal, v. 12, no. 2, p. 334-360, 5 fig. 



1913a. On the nomenclature of the organism causing "corky-"' or "powdery -scab" 

 in the potato tuber, Spongospora subterranea (Wallroth) Johnson. Journal, 

 Royal Horticultural Society [London], v. 38, pt. 3, p. 524-530. 



19136. Investigations on potato diseases. Department of Agriculture and Tech- 

 nical Instruction, Ireland, Journal, v. 13, no. 3, p. 460-461. 

 Wallroth, F. W. 



1842a. Der Knollenbrand der Kartoffel. Linnsea, Bd. 16, Heft 3, p. 332. 



18426. Die Xaturgeschichte der Erysibe subterranea Wallr. In his Beitrage zur 

 Botanik, Bd. 1, Leipzig, p. 118-123, pi. 2, fig. 12-15. 



lS42c. [Uber die bekannte Krankheit an der Schale der Kartoffelknollen.] 

 Flora, Jahrg. 25, Bd. 1, No. 8, p. 119; No. 9, p. 133. 



Q 



