44© Bulletin 315 



Ward, H. Marshall. Observations on the Genus P}^hium (Pringsh.). 

 Quart. Jour. Mic. Sci. 23: 485-519. pis. 34-36. 1883. 

 Pyihiacystis citrophthora R. E. & E. Smith. Causes the brown rot of 

 the lemon. 



Smith, R. E., and Smith, Elizabeth. A New Fungus of Economic 

 Importance. Bot. Gaz. 42: 215-221. j^gs. 1-3. 1906. 



Smith, R. E. The Brown Rot of the Lemon. California Agr. Expt. 

 Sta. Bui. 190: i-jo. figs. i-2g. 1907. 

 Sderotinia libertiana Fuckel. Causes the lettuce drop. 



Humphrey, J. E. Diseases of the Cucumber Plant. A Sclerotium 

 Disease. Massachusetts Agr. Expt. Sta. Rpt. 10: 212-224. P^s. 1-2. 

 1892. 



Smith, R. E. Botrytis and Sderotinia: Their Relation to Certain 

 Plant Diseases and to Each Other. Bot. Gaz. 29: 369-407. ph. 25-21. 

 figs. 1-3. 1900. 



Stevens, F. L. A Serious Lettuce Disease. North Carolina Agr. 

 Expt. Sta. Bui. 217: 1-21. 1911. 



A Serious Lettuce Disease and Method of Control. North 



Carolina Agr. Expt. Sta. Tech. Bui. 8: 85-145. yzg^. 1-31. 1911. 



Stone, G. E., and Smith, R. E. " Drop " of Lettuce. Massachusetts 

 (Hatch) Agr. Expt. Sta. Rpt. 9: 79-81. 1897. (Compare also 10: 55- 

 58. 1898; and 11: 149-151. 1899.) 



Corticium vagum B. & C. var. Solani Burt. A root and stem rot fungus 

 attacking potatoes, beans, cotton, etc. 



Appel, O., and Wollenweber, H. W. Grundlagen einer Monographic 

 der Gattung Fusarium (Link). Arb. Kais. Biol. Anst. Land-, und Forstw. 

 8: 141-156. pi. I, figs. 60-64; pi. 3, fig. 2. 1910. 



Atkinson, Geo. F. Some Diseases of Cotton. Alabama Agr. Expt. 

 Sta. Bui. 41: 30-39. 1892. 



Clinton, G. P. Rhizoctonia (Rosette). Connecticut Agr. Expt. Sta. 

 Rpt. 28: 325-326. pi. 26, figs. a-c. 1904. 



Duggar, B. M., and Stewart, F. C. The Sterile Fungus Rhizoctonia. 

 New York (Cornell) Agr. Expt. Sta. Bui. 186: 5o-y6. figs. 15-23. 1901. 

 Ibid. New York (Geneva) Agr. Expt. Sta. Bui. 186 : 4-30. _/ig5. 75-2 j. 1901. 



Pammel, L. H. Preliminary Notes on a Root-Rot Disease of Sugar 

 Beets. Iowa Agr. Expt. Sta. Bui. 15: 243-251. pis. 3-4. 1891. 



Rolfs, F. M. Potato Failures (Two Reports). Colorado Agr. Expt. 

 Sta. Bui. 70: 1-20. 1902. Bui. 91: 1-33. 1904. 

 Rhizoctonia Medicaginis DC. Produces root disease of alfalfa. 



De Candolle, A. P. Memoire sur les Rhizoctones nouveau genre de 

 Champignons qui attaquent les Racines des Plantes, et en particulicr 

 celle de la Luzerne cultivee. Mem. Museum Paris 2: 209. 18 15. 



