Tulip bulb, 77, ~68~ Tulip carpels, 82, ~77~ Tulip flower, 81, ~75~ Tulip stamens, 81, ~74~ V Variegated leaves, 26, ~16~ Veins of leaf, 67, ~55~, 95 Vine, 33 Violet, 84, ~79~, 119, ~118~ W Water, 12, 13 Water, circulation of, in plant, 28, 34 Water, entry into plant by roots, 33, ~21~, ~22~ Water given off by leaves, 28, ~17~, 30, ~18~, ~19~, ~20~ Water, protection against loss of, 99 Water stream in plants, 28, 34 Water vapour, 28, ~17~, 31 Water buttercup, 159, ~141~ Water-lily leaves, 160 Water-lily, section of stem of, 93, ~92~ “Water-pipe” cells, 94, 97 Whorls of leaves, 69, ~59~ Whortleberry, 62 Willow herb, 89, ~84~ Wind, 154 Wood-sorrel, sleep of, 46, ~32~ THE NATURAL HISTORY OF PLANTS THEIR FORMS, GROWTH, REPRODUCTION, AND DISTRIBUTION FROM THE GERMAN OF THE LATE ANTON KERNER VON MARILAUN Professor of Botany in the University of Vienna TRANSLATED BY F. W. OLIVER, M.A., D.Sc. Quain Professor of Botany in University College, London WITH THE ASSISTANCE OF LADY BUSK, B.Sc., AND MRS. M. F. MACDONALD, B.Sc. ~With about Two Thousand Original Woodcut Illustrations~ In Two Volumes, cloth, 30s. net “The best account of the vegetable kingdom for general readers which has yet been produced.”--=Nature.= ANCIENT PLANTS A SIMPLE ACCOUNT OF THE PAST VEGETATION OF THE EARTH AND OF RECENT IMPORTANT DISCOVERIES IN THAT REALM OF NATURE STUDY BY MARIE C. STOPES, D.Sc., Ph.D., F.L.S. Lecturer in Fossil Botany, Manchester University; Author of ~The Study of Plant Life~ Fully Illustrated. Demy 8vo, 4s. 6d. net “Dr. Marie Stopes has made a name for herself in this special line. Anyone who takes an intelligent interest in the subject cannot fail to be charmed with the pleasant manner in which Dr. Stopes conveys her information.”--=Athenæum.= NATURE STUDIES (PLANT-LIFE) BY G. F. SCOTT ELLIOT, M.A., B.Sc., F.L.S., F.R.G.S. Formerly Lecturer in Botany, Glasgow and West of Scotland Technical College Author of ~A Naturalist in Mid Africa, Flora of Dumfriesshire~, &c. Illustrated by Drawings, Photographs, Microscope Specimens, &c. 3s. 6d. THE SCIENCE OF LIFE AN OUTLINE OF THE HISTORY OF BIOLOGY AND ITS RECENT ADVANCES BY J. ARTHUR THOMSON M.A. Regius Professor of Natural History in the University of Aberdeen Cloth, 2s. 6d.; bound in Leather for Presentation, 3s. 6d. A FIRST COURSE IN PRACTICAL BOTANY BY G. F. SCOTT ELLIOT, M.A., B.Sc., F.L.S., F.R.G.S. Formerly Lecturer in the Glasgow and West of Scotland Technical College Crown 8vo, cloth, 3s. 6d. A combined course of flower-study, experiments, microscope work, and explanation, with over 150 illustrations. “We may say at once that this work is one of the best of its kind in English. The illustrations and diagrams, with which the book abounds, are of the highest character.”--=Guardian.= THE STUDENT’S INTRODUCTORY TEXT-BOOK OF SYSTEMATIC BOTANY BY JOSEPH W. OLIVER