308 
frequent collection of these plants, however, would suggest the 
possibility that they may be found in quantity if the search is 
persisted in long enough to discover those localities which hav 
i h. 
that they are in some way associated with the roots of these tree. 
This knowledge of their habitat is a valuable aid in locating them. 
Attem 
oe so that, for the present at least, we must depend upon 
e to furnish the supply, the only problem being to locate 
tee natural haunts. Those who are familiar with these plants 
in Europe can see no reason why they should not occur in this 
country in the same abundance as in Europe. 
The truffles are roundish, rather solid, and have very much 
the appearance of der potatoes, their ce! surface being 
either smooth or rough eae to the species. When cut 
Th 
age, often reaching the size of a walnut or occasionally even 
arger. 
The truffles belong to the genus Tuber. Three species have 
be Pp ted in the eastern United States, in addition to the 
Thirteen species hae collected in California, none of which 
have been found in sufficient quantity to be of economic import- 
ce. 
Kn nowing that the truffle industry is one of considerable im- 
u 
are taken to the general locality a hich appears to be favorable 
