OF THE FUNGI. 
131 
The following re-agents may be used with advantage m 
the examination of the spores — sugar, sulphuric acid, 
iodine, and caustic potash, in solution. [As to the method 
of employing re-agents, I must refer the student to the 
works of Dr. L. Beale and others, bearing more directly 
upon the subject than this little work pretends to do. — Ed.] 
