Arthur Henfrey 1819-1859. By F. W. Oliver 192 William Henry Harvey 1811-1866. By R. Lloyd Praeger 204 Miles Joseph Berkeley 1803-1889. By George Massee 225 Sir Joseph Henry Gilbert 1817-1901. By W. B. Bottomley 233 William Crawford Williamson 1816-1895. By Dukinfield H. Scott 243 Harry Marshall Ward 1854-1906. By Sir William Thiselton-Dyer 261 A sketch of the Professors of Botany in Edinburgh from 1670 until 1887. By Isaac Bayley Balfour 280 Sir Joseph Dalton Hooker 1817-1911. By F. O. Bower 302 INDEX 324 LIST OF ILLUSTRATIONS PLATE _To face p_. _Frontispiece_. John Hutton Balfour (1878). I. Robert Morison 8 II. Great Gate of the Physic Garden, Oxford 18 III. John Ray 28 IV. Nehemiah Grew (1701) 44 V. Plate from _Anatomy of Vegetables Begun_, 1672 48 VI. Facsimile of a page from _The Comparative Anatomy of Trunks_, Nehemiah Grew, 1675 52 VII. From Grew's _Anatomy_. Sheweth the Parts of a Goosberry. Part of a Vine Branch cut transversly, and splitt half way downe y^e midle 56 VIII. Stephen Hales (1759) 65 IX. Plate 18 from Hales's _Vegetable Staticks_ 82 X. John Hill 84 XI. Robert Brown (_circa 1856_) 108 XII. Sir William Jackson Hooker (1834) 126 XIII. John Stevens Henslow (1851) 151 XIV. John Lindley (1848) 164 XV. William Griffith (1843) 178 XVI. From Griffith's _Notulae_. Median section of the ovule of Cycas. Nucellar apex of Cycas with pollen chamber and pollen grains 188 XVII. William Henry Harvey 204 XVIII. Miles Joseph Berkeley 225 XIX. Joseph Henry Gilbert 233 XX. Henry Witham of Lartington. 243 XXI. William Crawford Williamson (1876) 246 XXII. Vascular system of stem of _Lepidodendron selaginoides_ in transverse section 250