“It is an admirable book, and cannot fail both to awaken interest in the subject, and to serve as a helpful and reliable guide to young students of plant life. It will, I think, fill an important place in secondary schools, and comes at an opportune time, when helps of this kind are needed and eagerly sought.”—Professor V. M. SPALDING, _University of Michigan_. FIRST LESSONS WITH PLANTS An Abridgement of the above. 117 pages—116 illustrations—40 cents net.