=Trees=: a Handbook of Forest Botany for the Woodlands and the Laboratory. By H. MARSHALL WARD, Sc.D., F.R.S. Vol. I. _Buds and Twigs._ Vol. II. _Leaves._ Vol. III. _Flowers and Inflorescences._ Vol. IV. _Fruits._ Vol. V. _Form and Habit, with an appendix on Seedlings._ With numerous illustrations. Crown 8vo. 4s 6d net each. Cambridge Biological Series. =Botany.= A Text-Book for Senior Students. By D. THODAY, M.A., Lecturer in Physiological Botany and Assistant Director of the Botanical Laboratories in the University of Manchester. With 205 illustrations. Crown 8vo. 5s 6d net. =Types of British Vegetation.= By members of the Central Committee for the Survey and Study of British Vegetation. Edited by A. G. TANSLEY, M.A., F.L.S. With 36 plates and 21 figures. Crown 8vo. 6s net. * * * * * =Lessons on Soil.= By E. J. RUSSELL, D.Sc. With 58 illustrations. Large crown 8vo. 1s 6d net. Cambridge Nature Study Series. =Weeds. Simple Lessons for Children.= By ROBERT LLOYD PRAEGER. With 45 figures and 3 plates. Large crown 8vo. 1s 6d net. Cambridge Nature Study Series. * * * * * Cambridge University Press Fetter Lane, London: C. F. Clay, Manager ------------------------------------------------------------------------ TRANSCRIBER’S NOTES 1. Silently corrected typographical errors and variations in spelling. 2. Archaic, non-standard, and uncertain spellings retained as printed. 3. Enclosed italics font in _underscores_. 4. Enclosed bold font in =equals=. 5. Superscripts are denoted by a caret before a single superscript character or a series of superscripted characters enclosed in curly braces, e.g. M^r. or M^{ister}. 6. Subscripts are denoted by an underscore before a series of subscripted characters enclosed in curly braces, e.g. H_{2}O. End of Project Gutenberg's Plants Poisonous to Live Stock, by Harold C. Long