Asks JDH to correct names of two species of Calanthe.
Note from Asa Gray ends "Yours cordially", so CD hopes he is forgiven.
His Catasetum paper will be read 3 Apr [Collected papers 2: 63–70].
Plants and seeds sent will be of great use, especially Lythrum, which according to J. P. E. Vaucher seems grand case of trimorphism. Asks what sort of man Vaucher is.