1. Buxton, E. W., Nature, 184, 1258 (1959).
2. Snyder, W. C., and Hansen, H. N., Amer. J. Bot., 28, 741 (1941).
3. Wollenweber, H. W., and Reinking, O. A., “Die Fusarien” (Paul Parey, Berlin, 1935).
4. Gordon, W. L., Can. J. Bot., 30, 209 (1952); 32, 576, 622 (1954); 34, 833, 847 (1956); 37, 357 (1959).
5. Hildreth, R. C., Diss. Abstr., 18, 4, 1196 (1958) (Abstr. in R.A.M., 38, 345 (1959)).