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help to dry the samples as quickly as possible, which prevents decay and improves colour retention. Layers of a sponge material can be used in order to prevent squashing parts of the specimens, such as fruit. Older plant presses and some modern flower presses have screws to supply the pressure, which often limits the thickness of the stack of samples that can be put into one press.
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A modern plant press consists of two strong outer boards with straps that can be tightened around them to exert pressure. Between the boards, fresh plant samples are placed, carefully labelled, between layers of paper. Further layers of absorbent paper and corrugated cardboard are usually added to
114:(1490—1556) Italian physician and botanist, created the first recorded herbarium, and is considered the first person to have used drying under pressure to prepare a plant collection.
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so that they can be easily stored. A professional plant press is made to the standard maximum size for
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86:. Labels are made with archival ink (or pencil) and paper, and attached with archival-quality glue.
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Filled plant presses arranged on a gas-fired heater, with air circulation upwards through the layers
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is a similar device of no standard size that is used to make flat dried flowers for
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131:) he brought it to the attention of amateur naturalists in Britain around 1771.
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English botanist, geologist, chemist and physician wrote popular books on
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Specimens prepared in a plant press are later glued to
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Specimens prepared in a plant press are later glued to
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23:Using a plant press on a collecting trip
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153:, Botanical Research Institute of Texas
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173:Iowa Native Plant Society Newsletter
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204:"New Voyage for Darwin's Plants"
202:Mary Gibby (18 November 2006),
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150:Collecting Herbarium Specimens
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288:. You can help Knowledge by
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59:to be filed in a particular
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51:to flatten and dry field
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166:"A Case for Collecting"
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164:Jane Mygatt (2001).
69:pressed flower craft
57:biological specimens
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181:. Retrieved
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90:Construction
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65:flower press
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183:30 December
45:plant press
340:Tool stubs
329:Categories
135:References
112:Luca Ghini
80:card stock
33:card stock
84:herbarium
78:-quality
61:herbarium
49:botanists
37:herbarium
179:(3): 5–6
129:vasculum
76:archival
122:British
107:History
53:samples
335:Botany
282:botany
125:botany
280:This
169:(PDF)
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185:2015
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
