161 
too much infested with the larve of insects. When this 
latter is the case, some oil of turpentine poured over them 
will either drive them rapidly from their holes, or destroy 
them. Species with a clammy viscid pileus it is better to ex- 
pose to a dry air, or the heat of a fire, before being placed in 
the papers. 
The separate parts of the Genera Phallus and Clathrus I fill 
with cotton: I keep them for a time exposed to a dry atmos- 
phere, and then, after removing the cotton, subject them to 
pressure. The same may be done with the large tremelloid 
Pezize. 
F. J. Krorzscn. 
Tas. LXXXIII. Fig. A. represents a Boletus cut through 
according to the above method: a. a. the central portion 
or section: b. b. b. the two lateral portions or sections. 
B. an Agaric: a. a. the central section: 5b. b. b. the two 
lateral sections. 
I have witnessed, with great satisfaction, the whole of the 
above process for drying the fleshy Fungi, and have now 
many species preserved in my Herbarium according to this 
method. Not only is the outline of the Fungus thus retained, 
and, in most instances, the essential distinguishing character; 
but there is this further advantage, that, from the specimens 
containing a smaller quantity of fleshy matter, they are infinitely 
less liable to the depredations of insects, than if the whole 
Fungus were submitted to pressure. In order to protect my 
Herbarium in general, as much as possible, from these 
troublesome visitors, I wash (with a camel-hair pencil) or 
sprinkle such specimens as are most subject to them, with oil of 
turpentine, in which I put a small quantity of finely pounded . 
Corrosive sublimate. It is true that this substance is not 
dissolved in the oil, but by shaking the bottle before using 
it, it is diffused throughout: and by the penetrating and subtle 
hature of the fluid, it is widely spread over the specimen so 
treated, and remains to protect the plant after the oil has 
VOL. Ir. M 
