If you would read books on botany, go to the fathers of the science. Read Linnæus at once, and come down from him as far as you please. I lost much time reading the florists. It is remarkable how little the mass of those interested in botany are acquainted with Linnæus. His “Philosophia Botanica,” which Rousearu, Sprengel, and others praised so highly, - I doubt if it has ever been translated into English. It is simpler, more easy to understand, and more comprehensive, than any of the hundred manuals to which it has given birth. A few pages of cuts representing the different parts of plants, with the botanical names attached, is worth whole volumes of explanation.