ARNOLD ARBORETUM, HARVARD UNIVERSITY,Jamaica Plain, Mass, August 12, 1898.My dear Muir:Glad to see your handwriting of August 1st. Let me know when to expect you, I shall be ready any time after the middle of September, but, as I have already written you, come as much earlier as you can.I enclose a note from our friend Wood of San Bernadino. He may be a useful man if there is any more stirring up to be done of forest reservation matters. I wish you would return his letter to me sometime, as well as this one of General Abbot\u27s which I got a few days ago and which I send to let you see that he is sound on other subjects besides forest preservation.I have at last finished up Abies and all the conifers, and Volume xii. is getting through the...