Choose perfect plants with long stems, removing the leaves. Put the Flowers in small bunches, fastening them together with an elastic band; then open each bunch into a fan shape. Hang the Flowers head down from nails in a dry, dark place for one to three weeks until they are completely ...
As used herein, a thymol refers to 2-isopropyl-5-methylphenol, and is a natural monoterpenoid phenol derivative of cymene, C10H14O, isomeric with carvacrol, found in oil of thyme, and extracted from Thymus vulgaris (common thyme) and various other kinds of plants as a white crystalline subst...
Fluid preservation refers to specimens and objects that are preserved in fluids, most commonly alcohol and formaldehyde, but also glycerin, mineral oil, acids, glycols, and a host of other chemicals that protect the specimen from deterioration. Some of the oldest natural history specimens ...