How to prepare dried specimens of cultures |
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Dried specimens of living cultures can be made easily using a single or double cardboard slide mailer, any water-soluble glue such as Elmer's, and silica gel in a tight-fitting box.
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Other techniques for making dried cultures exist. Cultures in plastic petri plates may simply dry up if the lid is left unsealed. The flat circle of media and fungus should be placed in a glassine envelope, labeled, and mailed to the herbarium. However, such cultures may stick to the plate and be difficult to remove without breaking. In addition, they are very fragile and delicate aerial structures may be crushed in the packets.