Vaclav MELZER. - Atlas holubinek (The Russells) 2 pl. of micro details. 56 pl. col. Kropac and Kucharsky in Prague, 1945. Joint Charles MENIER. Overview of the flora of the department of the Loire-inférieure. Part 2: cryptogamy. Paul Grimaud, Nantes, 1899. François Victor MERAT. - Nouvelle flore des environs de Paris, suivant la méthode naturelle, avec l'indication des vertus des plantes usitées en médecine. 2nd edition. First volume containing the cryptogamy. Second volume containing the phanerogamy. Méquignon-Parvis, 1821. The 4 volumes.

Composed of several subsidiaries, the Drouot Group is a major player in the art market. Hôtel Drouot, located in the heart of Paris, has been the world's largest public auction center since 1852. 15 salerooms are available to more than 70 auction houses. The emulation generated by an annual offer of 230,000 artworks from 21 major specialities - from Antiquity to street art - attracts some 3,000 visitors every day. The Group's digital platform, Drouot.com, offers digital sales - Live auctions (live broadcasting and participation in auctions), Online-only auctions (dematerialised auctions) and Buy Now sales (sales of lots at fixed prices). Nearly 2 million items are offered annually by 600 auction houses. Auction news is reported every week in La Gazette Drouot, the leading weekly magazine for the art market and culture published by Auctionspress.