1911 Encyclopædia Britannica/Saint-Hilaire, Augustin François César Prouvénçal de

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  SAINT-HILAIRE, AUGUSTIN FRANÇOIS CESAR PROUVENÇAL DE, commonly known as August de (1799–1853), French botanist and traveller, was born at Orleans on the 4th of October 1799. He began to publish memoirs on botanical subjects at an early age. In 1816–1822 and in 1830 he travelled in South America, especially in south and central Brazil, and the results of his study of the rich flora of the regions through which he passed appeared in several books and numerous articles in scientific journals. The works by which he is best known are the Flora Brasiliae Meridionalis (3 vols., folio, with 192 coloured plates, 1825–1832), published in conjunction with A. de Jussieu and J. Cambessèdes, Histoire des plantes les plus remarquables du Brésil et de Paraguay (1 vol. 4to, 30 plates, 1824), Plantes usuelles des Brésiliens (1 vol. 4to, 70 plates, 1827–1828), also in conjunction with De Jussieu and Cambessèdes, and Voyage dans le district des diamants et sur le littoral du Brésil (2 vols., 8vo, 1833). His Leçons de botanique, comprenant principalement la morphology végétale (1840), was a comprehensive exposition of botanical morphology and of its application to systematic botany. He died at Orleans on the 30th of September 1853.