San Mateo, May 24, [1871].Dear John Muir,My botanical class are all sitting around me busy in putting up their plants, but as this is \u27silent hour\u27 I can get in a little conversation with you. Your two good letters were mailed at the same time, and I found not one but many crumbs of comfort therein. I have already written you of Mr. Emerson\u27s enthusiasm for the Valley and for yourself.I see among the newspaper arrivals that of the President of the University of Vermont at Burlington, Lewis Francis, who will doubtless appear among the mob of visitors and is better worth than most who go — though not one of the initiated. I pity you in my inmost heart, if you do make guiding a business — for even here I feel as if some one were calli...