AGRICULTURE. Very important herbarium realized by the School of Agriculture of Grangeneuve in Fribourg (Switzerland), realized at the beginning of XXth century. Includes 10 folders with about 300 plates, corresponding to the different species of plants glued on sheets of paper. Set of format In-folio and gathered in a strong cardboard folder. Cyperaceae, 27 plates Grasses, 55 plates Caryophylae, 20 plates