Scottish physician and botanist. Professor of botany, Glasgow University, 1841–5. Professor of botany, University of Edinburgh, and regius keeper of the Royal Botanic Garden, Edinburgh, 1845–79. Founding member of the Botanical Society of Edinburgh, 1836. Founder of the Edinburgh Botanical Club, 1838. Co-editor of the Edinburgh New Philosophical Journal. FRS 1856.
Sources: DSB ODNB. (See the bibliography for full references to sources)