Excerpt from Practical Botany
This book may be described as an elementary practical handbook of Vegetable Histology and Physiology, containing in addition a short course of practical work on selected types of Cryptogams and Grymnosperms. It is divisible into three sections, namely, (1) Histology - Chapters I. to III., (2) Physiology - Chapters IV. to VII., and (3) Life Histories - Chapters VIII. to XII.
In the first section (Histology), I have exercised special care in giving clear and practical directions for microscopic work. Chapter I. is devoted to this purpose and to general instructions regarding the fixation and preservation of material, the cutting of sections, the application of reagents, and other practical matters.
In Chapter II. I have worked out a plan which has proved thoroughly satisfactory in practice. In my opinion, no candidate should be allowed to pass in Botany at such examinations as the Intermediate Science and Arts of London University unless able to produce satisfactory proof of having worked through a practical course in Organic Chemistry. Until examining bodies insist upon this, the teacher of Botany must include in his course a few lessons on the Biochemistry of plants. The student ought to know something more about proteins, for instance, than that they contain nitrogen and are coloured brown by iodine solution!
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