IN his far-reaching essay on “Education,” Mr. Herbert Spencer remarks: “In education the process of self-development should be encouraged to the uttermost. Children should be led to make their own ...
DR. ASA GRAY’S Botanical Series, New York, Ivison & Phinney, consisting of— I. How Plants Grow, etc., with a Popular Flora, etc. 16mo. pp. 233. II. First Lessons ...
Certain plants produce some flowers with only male parts (staminate flowers) and some flowers with only female parts (pistillate flowers). Cucumbers and squash, pictured here, are a good example. The ...
NEITHER better nor worse than the innumerable other little books of the same kind. The morphological part consists of the usual enumeration of descriptive terms, with coarsely-executed diagrams. The ...