1. Bailey, I. W... “Nodal anatomy in retrospect,”J. Arnold Arbor., 1956,37, 269–87.
2. Banerji, M. L... “On the anatomy of teratological seedlings. I.Cosmos bipinnatus,”Proc. Ind. Acad. Sci., 1961,53 B, 10–19.
3. —————.. “On the anatomy of teratological seedlings. II.Calendula officinalis,”Bull. bot. Soc. Bengal, 1962,16, 24–29.
4. Bexon, D. ... “On the anatomy of polycotylous seedlings ofCentranthus ruber,”Ann. Bot. (London), 1920, 81–94.
5. —————... “On the anatomy of atypical seedling ofSinapsis alba andBrassica oleracea,” Ibid., 1925,39, 25–39.