But you will think me a bore.
I enclose half a letter from F.Muller (which please return) for the chance of your liking to see it; though I have doubted much about sending it, as you are so overworked.

I imagine the Solanum-like flower is curious.
I heard yesterday to my joy that Dr.Hildebrand has been experimenting on the direct action of pollen on the mother-plant with success.

He has also succeeded in making a true graft-hybrid between two varieties of potatoes, in which I failed.

I look at this as splendid for pangenesis, as being strong evidence that bud-reproduction and seminal reproduction do not essentially differ.
My book is horribly delayed, owing to the accursed index-maker.

(207/2.
Darwin thoroughly appreciated the good work put into the index of "The Variation of Animals and Plants.") I have almost forgotten it! LETTER 208.