Article: An Elementary Course of Botany, Structural, Physiological, and Systematic. By the late Professor Arthur Henfrey, F.R.S., F.L.S., &c. Fourth Edition. By Maxwell T. Masters, M.D., F.R.S., F.L.S., assisted by A. W. Bennett, M.A., B.Sc., F.L.S. Van Voorst, 18