Jean-Louis POIRET (Saint-Quentin 1755-1834), botanist and ex - Lot 92

Lot n° 92
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Jean-Louis POIRET (Saint-Quentin 1755-1834), botanist and ex - Lot 92
Jean-Louis POIRET (Saint-Quentin 1755-1834), botanist and explorer, sent by Louis XVI to Algeria to inventory the Barbary flora, then worked with Lamarck on the Dictionnaire de Botanique. Autograph manuscript, with erasures and corrections, 3 pp. in-4. Late 18th century. Botanical manuscript devoted to the description of the genus Brize; after a general description of the genus, he gives a detailed description of 4 sub-branches (brize à gros épillets, brize tremblante amourette, brize à petite panicule and brize éragroste): "Brize (bot.) (briza). A genus of plants, in the grass family, characterized by having one or two concave, obtuse valves enclosing several flowers: the calyx valves of each are unequal, ventrally rounded at the apex. The flowers are arranged in a loose, open panicle, with thread-like, highly mobile peduncles supporting obtuse, compact spikelets. There are three stamens and two stiles in hermaphrodite flowers. This genus contains only a few species, almost all of which are found in Europe and even in France. It is becoming a very natural genus, by returning the briza eragrostris to the poa, and by not succeeding with the uniola [...]". Rare. Attached: a biographical note in the hand of botanist and mycologist Casimir Roumeguère (1828-1892), 1 p. ½ in-4, giving details of Poiret's herbarium which was recovered by Moquin-Tandon, and which he inherited in part. - a leaf from Poiret's herbarium containing a sample of "Lotus edulis L.".
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