1. Aist, R., and Wilson, C. L. 1965. Observations on nuclear division in vegetative hyphae of Cera-tocestis fagacearum. Proc. Arkansas Acad. Sci. 19:32–36.
2. Aldrich, H. C. 1969. The ultrastructure of mitosis in myxamoebae and plasmodia of Physarum flavicomum. Am. J. Bot. 56:290–299.
3. Ashton, M. L., and Moens, P. B. 1979. Ultrastructure of sporulation in the Hemiascomycetes As-coidea corymbosa, A. rubes cens, Cephaloascus fragrans, and Saccharomycopsis capsularis. Can. J. Bot. 57:1259–1284.
4. Bajer, A. S. 1973. Interaction of microtubules and the mechanism of chromosome movement (zipper hypothesis). Cytobios 8:139–160.
5. Bajer, A. S., and Allen, R. D. 1966a. Role of phragmoplast filaments in cell-plate formation. J. Cell Sci. 1:455–462.