d where there is a draft of air. Some dry them in the sun. But
often the sun is not shining, and the weather may be rainy or the air
very humid, when it is impossible to dry the specimens properly except
by artificial heat. The latter method is better for the larger specimens
at all times. During the autumn when radiators are heated the fungi dry
well when placed on or over them. One of the best places which I have
utilized is the brick work around a boiler connected with a mountain
hotel. Two other methods are, however, capable of wider application.

1st.--A tin oven about 2 x 2 feet, and two or several feet high, with
one side hinged as a door, and with several movable shelves of
perforated tin, or of wire netting; a vent at the top, and perforations
around the sides at the bottom to admit air. The object being to provide
for a constant current of air from below upwards between the specimens.
This may be heated, if not too large, with a lamp, though an oil stove
or gas jet or heater is better. The specimens are placed on the shelves
with the accompanying notes or numbers. The height of this box can be
extended where the number of specimens is great.

2d.--A very successful method which I employed at a summer resort at
Blowing Rock, N. C., in the mountains of North Carolina, during
September, 1899, was as follows: An old cook stove was set up in an
unoccupied cottage, with two wire screens from 3 x 4 feet, one above the
other, the lower one about one foot above the top of the stove. Large
numbers can be dried on these frames. Care of course must be taken that
the plants are not burned. In all cases the plants must be so placed
that air will circulate under and around them, otherwise they are apt to
blacken.

When the plants are dry they are very brittle and must be handled
carefully. When removed from the drier many kinds soon absorb enough
moisture to become pliant so that they are not easily broken. Others
remain brittle. They may be put away in small boxes; or pressed out
nearly flat, _not so as to crush the gills_, and then put in paper
packets. The plants which do not absorb sufficient moisture from the
air, so that they are pliant enough to press, can be placed in small
boxes or on paper in a large box with peat moss in the bottom, and the
box then closed tightly until they absorb enough moisture to become
flexible. The plants must not get wet, and they should be examined every
half hour or so, for some become