[Vol. 2 



456 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Nelson, A. ('07). Some potato diseases. Wyo. Agr. Exp. Sta., Bull. 71 : 1-39. 

 f. 1-11. 1907. 



Norton, J. B. S. ('06). Irish potato diseases. Md. Agr. Exp. Sta., Bull. 108 : 

 63-72. f. l-l 1906. 



Orton, W. A. ('14). Potato wilt, leaf-roll, and related diseases. U. S. Dept. 

 Agr. Bull. 64: pp. 40-41. pi. 15. 1914. 



Pammel, L. 11. ('91 ). Fungous diseases of the sugar beet. la. Agr. Exp. Sta., 

 Bull. 15: 234-254. pi 1-7. 1891. [See Preliminary notes on a root-rot disease 

 of sugar beets, pp. 243-251. pi. 3-6.] 



Peglion, V. ('97). II mal vinato della medica e delle barbietole. Bol. di Entoni. 

 Agron. e Patol. Veg. 4 : 367-369. Padua, 1897. 



Peltier, G. L. ('14) . Rhizoctonia in America. Phytopath. 4:406. 1914. 



Persoon, C. H. (1801). Synopsis methodica fungorum. pp. 119-120. 1801. 



Pethybridge, G. H. ('10). Potato diseases in Ireland. Dept. Agr. and Tech. 

 Instr. for Ireland, Jour. 10:1-18. f. 1-8. 1910. 



, ('10a). A little known potato disease. Garden 74:560. f. 1. 1910. 



, ('11). Investigations on potato diseases (second report). Dept. Agr. 



and Tech. Instr. for Ireland, Jour. 11:29-32. f. 11-14- 1911. 



., ('15). "Black speck 11 scab and "collar fungu 



1915. 

 Pierson,W. R. ('02). Sterilized soil for stem rot. Gardening 10: 179-181. 1902. 



Potel, H. C00). Molestias cryptogamicas da batata ingleza e seu tractamento. 

 Bol. da Agr. Estado de Sao Paulo 1 : 45-48. 1900. [See p. 46.] 



Prillieux, E. ('83). Etude sur deux maladies du safran. Ann. de l'lnst. Nat. 

 Agron. 6: 17-31. pi. S-4. 1883. 



, ('91). Sur la penetration de la Rhizoctone violette dans les racines 



de la betterave et de la luzerne. Compt. rend. acad. Paris 113: 1072-1074. 



1891. 



•, ('90). Ibid. Soc. Bot. de France, Bull. 43 : 9-11. f. 1. 1890. 



., ('97). Maladies des plantes agricoles 2:144-157. f. 282-287. 1897. 



, et Delacroix, G. ('91). Hypochnus Solani nov. sp. Soc. Myc. France, 



Bull. 7:220-221. f. 1. 1891. 



Prunet, A. ('93). Sur le Rhizoctone de la lucerne. Compt. rend. acad. Paris 

 117:252-255. 1893. 



Riehm, E. ('11). Ueber den Zusammenhang zwischen Rhizoctonia Solani Kiihn 

 und Hypochnus Solani Prill, u. Del. K. Biol. Anstalt f. Landw.- u. Forstw., 

 Mitt. 6: p. 23. Berlin, 1911. 



Rolfs, F. M. ('03). Corticium vagum B. and C. var. Solani Burt. Science, N. S. 

 18:729. 1903. 



('02, '04). Potato failures. Colo. Agr. Exp. Sta., Bull. 70 : 1-20. 



pi. 1-12. 1902; 91: 1-33. pi. 1-5. 1904. 



, ('05). (Tomato diseases) Corticium vagum (B. and C). Fla. Agr 



Exp. Sta., Rept. 1905 : 40-47. 1905. 



Rostrup, E. ('80). Undersgelser angaaende Svampeslaegten Rhizoctonia. K 

 Dans. Vid. Sels. Forhandl. 1886 : 59-77. pi. 1-2. 1880. 



