U.P. Institute of Agricultural Sciences, Kanpur (U.P.)
**Present address: Janta College, Bakewar Etawah (U. P.).
*A part of (he Ph. D. thesis submitted by first author to the University of Agra, 1968.
The blossom bud dfferentiation started in the month of December and by January it was complete on two varieties of litchi studied. The development of the different floral part took place in an acropetal succession.
