1923] 



LEHMAN — POD AND STEM BLIGHT OF SOYBEAN 169 



, and Field, Ethel C. CIS). A dry rot of sweet potato caused by Dia- 



porthe batatatis. U. S. Dept. Agr., Bur. PL Ind. Bui. 281: 1-38. pi. 1-1*. f. 



1-4- 1913. 

 Hopkins, E. F. ('22). The effect of lactic acid on spore production by Colletotri- 



chum lindemuthianum. Phytopath. 12: 390-393. /. 1-2. 1922. 

 Hursh, C. R. ('22). The relation of temperature and hydrogen-ion concentration 



to urediniospore germination of biologic forms of stem rust of wheat. Ibid. 



353-361. /. 1-7. 1922. 

 Karrer, Joanne L. ('21). Studies in the physiology of the fungi. XIII. The 



effect of hydrogen-ion concentration upon the accumulation and activation 



of amylase produced by certain fungi. Ann. Mo. Bot. Gard. 8: 63-96. /. 



1-U. 1921. 

 Kirby, It. S. ('22). The take-all disease of cereals and grasses. Phytopath. 12: 



66-88. pi. 2-4. f. 1-3. 1922. 

 Maclnnes, J. ('22). The growth of the wheat scab organism in relation to 



hydrogen-ion concentration. Ibid. 290-293. /. 1. 1922. 

 Maneval, W. E. ('22). Germination of teliospores of rusts at Columbia, Missouri. 



Ibid. 471-488. 1922. 

 Massalongo, C. ('00). [Atti d. R. 1st. Veneto di Sci. Lett, ed Arti LIX. 2. p. 688, 



1900.] Saccardo, Sylloge Fungorum 16: 733. 

 Norton, J. B. S., and Chen, C. C. ('10). Some methods for investigating internal 



seed infection. Phytopath. 10: 399-400. 1910. 

 Itapp, C. W. ( '19). Aged bean seed, a control for bacterial blight of beans. Science, 



N. S. 50: 568. 1919. 

 Shaffer, P. A., and Hartmann, A. F. ('21). The iodometric determination of 



copper and its use in sugar analysis. Jour. Biol. Chem. 45: 349-390. 1921. 

 Shear, C. L., and Wood, Anna K. ('07). The ascogenous forms of Gloeosporium 



and Colletotrichum. Bot. Gaz. 43: 259-266. 1917. 



( ? 13). Studies of fungus parasites belonging to the genus Glomerella. 



U. S. Dept. Agr., Bur. PL Ind. Bui. 252: 1-110. pi 1-18, f. 1-4. 1913 

 Stoneman, Bertha ( '98). A comparative study of the development of some anthrac- 



noses. Bot. Gaz. 26: 69-120. pi. 7-18. 1898. 

 Webb, It. W. ( '21). Studies in the physiology of the fungi. XV. The germination 



of the spores of certain fungi in relation to hydrogen-ion concentration. Ann. 



Mo. Bot. Gard. 8: 283-341. /. 1-39. 1921. 



Wolf 



Notes on new or little known plant diseases 



in North Carolina. N. C. Agr. Exp. Sta., Ann. ltept. 43: 55-58. 1920. 

 Zeller, S. M., Schmitz, H., and Duggar, B. M. (19). Studies in the physiology 

 of the fungi. VII. Growth of wood-destroying fungi on liquid media. Ann. 

 Mo. Bot. Gard. 6: 137-142. 1919. 



