The publishers (Messrs. A. S. Barnes & Co.) have recently provided and have on sale, suitable apparatus for the use of the student in Botany, made according to directions in this work (page 15). It consists of a knife-trowel for digging and cutting specimens; a microscope and tweezers for the examination of them; a tin box for collecting and preserving them fresh, and a press for drying them. The set is securely packed and sent by express to order, at a moderate price.

Wood's Botanical Series

I. OBJECT LESSONS IN BOTANY, .... . $1.50

Pleasing lessons for young learners.

II. Botanist And Florist........2.5O

A thorough text-book, comprehensive and practical.

III. The New Class-Book,.......3.5O

A superb and exhaustive compilation and encyclopedia of the science.

IV. The Student's Plant Record, .... 0.75

A book of blank forms, facilitating the analysis of plants, and recording the results of such analysis, and the progress of the student.

Entered according to Act of Congress, in the year 1869, by

A. S. BARNES & CO.,

In the Clerk's Office of the District Court of the United States for the Southern

District of New York.