How should I make herbarium file when I have to use 12-15 parts
Answers
Answer:
NOTES ON MAKING AN HERBARIUM
Let it be said at the outset that the best (but far from the most convenient) way to preserve plant material for study is to place the material in jars of preserving
fluid. Such a collection, however, is not an herbarium. Liquid preservation has
several disadvantages: 1) It is bulky; 2) the liquid tends to evaporate through the
best-sealed lid, and in time must be replaced with fresh liquid; 3) to use the speci- mens for comparison, they must be removed from the jars and spread out in a pan
of the liquid; 4) because of the fragility of glass containers it is not easy to trans-
port specimens so preserved or to send them through the mails for identification
or study. For special purposes, such as class teaching or preserving material in
its natural shape for illustration, liquid preservation can scarcely be improved
upon. But for most purposes of reference and identification, drying the plant material under pressure and mounting it on sheets of paper is more convenient
and economical.
Herbaria and Their Use
An herbarium specimen is a pressed and dried plant or portion of a plant, ac-
companied by notes stating at the very least where it grew, when it was collected,
and by whom. It is evidence that a particular plant, exhibiting particular charac