To J. D. Hooker 5 [March 1858]1
My dear Hooker
I write merely to say that I send up to London this evening D. C.2 I suppose you will not get them till Saturday. Very many thanks for the loan.— The Sections of all biggest genera in each order in the 3 vols. (which include all the least favourable orders) behave as I wish them, but not very strongly.—
Babington with hesitation gives same verdict as you but confines his verdict to very small genera.—3 He really writes a very sensible letter on subject. He never thought of case before, but seems now to have thought deliberately & consulted some Botanical friend.—
Ten thousand curses!
Ever yours | C. Darwin
C. C. Babington agrees with JDH that botanists tend to note varieties more in large genera than in very small ones.