A knowledge of these minute plants is of great use to the gardener. The following was not sent to us for publication, but we give it in the hope it may help the study.

Dear Sir: - I beg to call your attention to some collections of Fungi which I have made. They are put up in sets of 100 species each; correctly named, and represent all the principal orders-Price, $8.00 per set. Should you feel interested in such plants please write for any further information. Should you wish some nice specimens of Marine Algx I could furnish them. Yours, very truly,

B. D. Halsted, Bussey Institution, Jamaica Plain, Mass.

Literature, Travels & Personal Notes.