[170] Pammel, L. H. New Fungous Diseases of Iowa Jour. Myc. 7:99-100. 1892.
[171] Jones, L. R. Studies upon Plum Blight Vt. Ex. Sta. Rpt. 15:231-239. 1902.
[172] Smith, E. F. The Peach Rosette Jour. Myc. 6:144. 1891.
[173] Waugh, F. A. Plum Cult. 329. 1901.
[174] Ibid.
[175] Starnes, H. N. Japan and Hybrid Plums Ga. Sta. Bul. 68:22-24. 1905.
[176] Hedrick, U. P. Curl-leaf of the Italian Prune Oreg. Sta. Bul. 45:72-74. 1897.
[177] Smith, E. F. Field Notes Jour. Myc. 6:108. 1891.
[178] Riley, C. V. An. Rpt. State Entomol. Mo. 1:50-56. 1869; 3:11-29. 1871.
[179] Ibid. 3:39-42. 1871.