"Marine Herbarium XIX"19th century marine herbarium or Alguier in 2 volumes. The first volume has 316 pages, the first samples dating from 1804. The second volume has 288 pages and dates from 1858. On each page are 1 or more specimens. The name of each "hydrophyte" (semi-aquatic plant) is written in Latin as is customary, accompanied by the sampling place and the year. There is often the name of the botanist such as LAMOUROUX, ROTH ... The first levies begin in 1804 and come from all the French coasts: Channel, Atlantic and Mediterranean.