The Columbia Encyclopedia, Sixth Edition. 2001-07.
Henslow, John Stevens
(hnz´l) (KEY) , 17961861, English botanist. He was professor of mineralogy (182227) and of botany (182761) at Cambridge Univ. Henslow was a teacher and friend of Charles Darwin, whom he recommended as naturalist to the Beagle expedition. He wrote on scientific farming and also A Catalogue of British Plants (1829) and Dictionary of Botanical Terms (1857).