René MAIRE (Lons-le-Saunier 1878 - Algiers 1949), botanist a - Lot 42

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Lot n° 42
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500 - 600 EUR
René MAIRE (Lons-le-Saunier 1878 - Algiers 1949), botanist a - Lot 42
René MAIRE (Lons-le-Saunier 1878 - Algiers 1949), botanist and mycologist, professor of botany in Nancy and then Algiers, where he lived for almost 40 years, herboring in Algeria and Morocco from 1902; His major work is a 16-volume Flore de l'Afrique du Nord (Flora of North Africa), published after his death; the herbarium he compiled, containing almost a million specimens and preserved at the Institut de Botanique in Montpellier, is the largest herbarium concerning the flora of North Africa. 20 autograph letters and cards to botanist and mycologist Paul Dumée (1849-1930). Gray, Nancy and Dijon, 1893-1903. 37 pp. in-8 and in-12, on the letterheads of the Laboratoire de Botanique de la Faculté des sciences de Nancy and the Société d'études des sciences naturelles de la Haute-Saône. Dense correspondence devoted entirely to botany and mushrooms. The first letter was written when he was only 15, and he was already passionate about botany (the Franc-Comtois herbarium he had compiled at the age of 18 is now kept at Gray's Natural History Museum). He described and determined species that Dumée had sent him (a letter with a sketch), or that he had discovered, sometimes in his Gray garden. "This Dematicea is not an Aerothecium; I can only relate it to the genus Stachylidium. From your drawing, it seems to me that you have considered the conidiophores as conidia: the latter are hyaline, ovoid, inserted on the warts you have figured, and extremely deciduous! If you examine with a small lens and reflected light, you'll still see some in place. By scraping the leaf with a scalpel dipped in acetic acid and examining in this medium, you can still obtain a few rare conidia in place. Here is a diagram of this Mucedinia [sketch]. The branches are almost always opposite, very rarely whorled by 3 and terminate in hyaline conidiophores bearing hyaline conidia. It is therefore a very impoverished Strachylidium, which is why I have provisionally named it Stachylidium depauperatim [...]". Enclosed: - 7 drafts of Paul Dumée's reply, 18 pp. in-8. - a folder containing plant samples - 4 sheets of pencil sketches
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