Lessons In Botany And Vegetable Physiology - BY ASA GRAY - 1872 - PREFACE - THIS book is intended for the me of beginners, and for classes in the common and higher schools,--in which the elements of Botany, one of the most generally interesting of the Natural Sciences, surely ought to be taught, and to be taught correctly, as far as tha instruction proceeds. While thesc Lcssons are made as plain and simple as they well can be, alI the subjects treated of have been carricd far enougll to make the book a geuine Grammar of Botany and Vegetable Physiology, and a sufficient introduction to tliose works in which thc plants of a country - especially of our own are described. Accordingly, as rcspects the principles of Botany including...............