One of the same images produced as heliogravures in a very rare and important book on French wild herbs titled "Herbier Forestier de la France". This print is apparently an uncut proof for the book which has irregular black borders and is executed in the collotype process. The book was published by De Gayffier in 1868 and was one of the first such books illustrated with photographs rather than lithographs or engravings and in which true forest foilage was depicted. In 1867 De Gayffier was appointed by the Minister of Agriculture to its "special photographic operations".
