MIRBEL, CHARLES-FRANOIS BRISSEAU DE

born March 27, 1776, Paris, France died Sept. 12, 1854, Champerret French botanist whose book Trait d'anatomie et de physiologie vgtale, 2 vol. (1802; Treatise on Plant Anatomy and Physiology), earned him recognition as a founder of plant cytology and plant physiology. His most notable contribution to plant cytology was his observation (1809) that each plant cell is contained in a continuous membrane. In 1798 Mirbel joined the staff of the National Museum of Natural History in Paris. Four years later the first volume of his Histoire naturelle des vgtaux classs par familles (Natural History of Plants Classified by Families) appeared. In 1803 he became director of the gardens of La Malmaison, where he studied the structure of plant tissue and the evolution of plant organs. The results were published in Elments de physiologie vgtale et de botanique (1815; Elements of Plant Physiology and Botany).