190 
NATURE NOTES. 
of the guide which is named at the foot of this paper ; with 
the aid of its figures and descriptions look out for the species 
contained in it ; and for the present disregard the others. 
The advantages of such a course are these : The species are 
all easily studied without the aid of any magnifying power, 
Stixkhorn. 
Phallus impudicus. 
(One-quarter natural size.) 
Peziza vesiculosa. (Natural size.) 
though a common pocket lens is useful ; next, they are fairly 
illustrative of all the groups that furnish large specimens, the 
Hymcuomycetes, Gasteromycetes, Discomycetes, Pyrcnomycetcs, T uberacee, 
and Myxomycetcs. Farther, nearly all the common fungi are 
included, and with the help of the generic and sectional figures 
Ilypoxylon concentricum and section showing the perithecir. (Natural size.) 
ASCUS X 200. 
and the plain descriptions, their recognition does not present any 
grave difficulty. If this advice be taken and the beginner 
succeed in making the acquaintance of a fair proportion <of the 
species, he will have done much towards laying a foundation 
of a knowledge of fungi. If, on the other hand, he sets out 
