ASA GRAY, 1867.) LETTER 347.

TO ASA GRAY.

Down, December 24th [1859].
I have been for ten weeks at Water-cure, and on my return a fortnight ago through London I found a copy of your Memoir, and heartily do I thank you for it.

(347/1.

"Diagnostic Characters of New Species of Phaenogamous Plants collected in Japan by Charles Wright...with Observations upon the Relations of the Japanese Flora to that of North America and of other parts of the Northern Temperate Zone" ("Mem.
American Acad.