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 ...

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 ...