indefinitely until some cause intervenes to destroy it. The peculiarity
of growth first arises from a tendency of certain fungi to assume a
circular form.”

The perplexing mushroom, Hypholoma perplexum, often grows in clusters,
and so does the inky Coprinus, C. atramentarius, also the glistening
Coprinus, C. micaceus. The honey-colored mushroom, Armillaria melloea,
is often found in crowded clusters, and this growth is common to many
fungi.


ODOR.

Many mushrooms have distinct odors and are distinguished by this
feature. The genus Marasmius may be known by the garlic-like smell
peculiar to it, but it never has a mealy perfume. There is one species,
the disgusting mushroom, M. impudicus, that Stevenson says has a strong,
unpleasant odor; this is also the case in two other species, the
ill-odored mushroom, M. fœtidus, and the penetrating mushroom,
M. perfurans.

The Chantarelle, Cantharellus cibarius, has the smell of a ripe apricot,
a delicious odor and easily detected. One of the Lepiotas, the tufted
Lepiota, L. cristata, has a powerful smell of radishes. Some Tricholomas
have a strong odor of new meal. The fragrant Clitocybe, C. odora, has
the smell of anise.

[Illustration: Coprinus atramentarius.
Photographed by C. G. Lloyd.]