Many herbaria have initiatives to digitize specimens to produce a virtual herbarium. Most herbaria utilize a standard system of organizing their specimens into herbarium cases. His personally collected herbarium amounted to 25,000 specimens. Hume contacted W.H. Griffin in 1901 to help develop a herbarium of botanical specimens. Dried specimens were sent to the National Herbarium, now a part of the Smithsonian Institution. From 1945 Robert Anderson worked to reunify the Herbarium and Botanic Garden. A xylarium is a herbarium specialising in specimens of wood. It is especially well known for the Post Herbarium, which includes 63,000 specimens. It may include greenhouses, test grounds, an herbarium, an arboretum, and other departments. Both the Herbarium and the living collections languished. Herbarium Orchid Oakes Ames replaces Leslie A. Garay. The approx 20% of the Herbarium that has been databased is searchable here. The oldest traditions of making herbarium collections or "Horti sicci" have been traced to Italy. In 1958, Stanley Thatcher Blake of the Queensland Herbarium transferred the species to "Melaleuca". Roxburgh brought in plants from all over India and developed an extensive herbarium.