Plate I. Figure 1.—Hydnum Erinaceum.
Original Specimen 20 × 16. Found on Mt. Logan near Chillicothe, Ohio.
THE MUSHROOM
EDIBLE AND OTHERWISE
ITS HABITAT AND ITS TIME OF GROWTH
WITH
PHOTOGRAPHIC ILLUSTRATIONS
OF
NEARLY ALL THE COMMON SPECIES
A GUIDE TO THE STUDY OF MUSHROOMS, WITH SPECIAL REFERENCE TO THE
EDIBLE AND POISONOUS VARIETIES, WITH A VIEW OF OPENING UP
TO THE STUDENT OF NATURE A WIDE FIELD OF USEFUL
AND INTERESTING KNOWLEDGE
BY
M. E. HARD, M. A.
Superintendent of Public Instruction
Kirkwood, Mo.