Selected Papers, 1821–38

Professor of botany from 1825 until his death, John Stevens Henslow (1796–1861) revived and greatly advanced the study of plants at Cambridge. His influence helped to make the University Botanic Garden an important centre for teaching and research. Originally published over a period of seventeen years, and now reissued here together, these thirteen papers reveal the impressive breadth of Henslow's scientific knowledge. The first two items, from 1821, address the geology of the Isle of Man and Anglesey respectively, preceding his five-year tenure as chair of mineralogy at Cambridge from 1822. The rest of the papers, dating from 1829 to 1838, address botanical topics. Professor John Parker, Director of Cambridge University Botanic Garden, has provided a new introduction that traces Henslow's developing interests and contextualises the items in this collection. Several of Henslow's other publications, including his Catalogue of British Plants (1829), are reissued separately in this series.

Introduction John Parker; 1. Supplementary observations to Dr Berger's account of the Isle of Man; 2. Geological description of Anglesey; 3. On the leaves of Malaxis paludosa; 4. On the specific identity of the primrose, oxlip, cowslip, and polyanthus; 5. On the specific identity of Anagallis arvensis and A. coerulea; 6. On the examination of a hybrid digitalis; 7. On the varieties of Paris quadrifolia, considered with respect to the ordinary characteristics of monocotyledonous plants; 8. Review of De Candolle's Physiologie Vegetale; 9. On a monstrosity of the common mignonette; 10. Observations concerning the indigenousness and distinctness of certain species plants included in the British flora; 11. On the structure of the flowers of Adoxa moschatellina; 12. Description of two new species of Opuntia (O. Darwinii and O. Galapageia); with remarks on the structure of fruit of Rhipsalis; 13. Florula Keelingensis. An account of the native plants of the Keeling Islands.