[210] U. S. D. A. Yearbook 505. 1912.
[211] Information supplied by letter.
[212] Smith, Erwin F. U. S. D. A. Div. of Bot. Bul. No. 9:17, 18. 1888.
This reference as well as most of those that follow, was found in Bulletin 9, Division of Botany, United States Department of Agriculture, the most complete account we have of peach-yellows, whether of historical facts or of natural history.
[213] Smith, Erwin F. U. S. D. A. Div. of Bot. Bul. No. 9:18, 19. 1888.
[214] Smith, Erwin F. U. S. D. A. Div. of Bot. Bul. No. 9:19. 1888.
[215] Ibid. 19. 1888.
[216] Coxe, Wm. Cult. Fr. Trees 215-217. 1817.
[217] Prince, Wm. Treat. Hort. 14, 15. 1828.
[218] Report of U. S. Com. Patents 242. 1851.