I much enjoyed my morning's talk with you.
LETTER 206.

TO F.HILDEBRAND.Down, January 5th [1868].
I thank you for your letter, which has quite delighted me.

I sincerely congratulate you on your success in making a graft-hybrid (206/1.

Prof.
Hildebrand's paper is in the "Bot.

Zeitung," 1868: the substance is given in "Variation of Animals and Plants," Edition II., Volume I., page 420.), for I believe it to be a most important observation.