. The Canadian field-naturalist. Natural history. 74 The Canadian Field-Naturalist [Vol. XXXIV. DEADLY POISONOUS MUSHROOMS. By R E. Stone, , Department of Botany, Ontario Agricultural College. Nearly every year, especially in the late summer and early autumn our woods and fields bear a crop of mushrooms. Many people would enjoy collecting and eating them, but since some of these fungi are deadly poisonous, many are deterred from gathering them because they are unable to tell with absolute certainty the edible from the poison- ous forms. In Ontario there are at least two hundred (200)
. The Canadian field-naturalist. Natural history. 74 The Canadian Field-Naturalist [Vol. XXXIV. DEADLY POISONOUS MUSHROOMS. By R E. Stone, , Department of Botany, Ontario Agricultural College. Nearly every year, especially in the late summer and early autumn our woods and fields bear a crop of mushrooms. Many people would enjoy collecting and eating them, but since some of these fungi are deadly poisonous, many are deterred from gathering them because they are unable to tell with absolute certainty the edible from the poison- ous forms. In Ontario there are at least two hundred (200) kinds of fleshy fungi of which sixty (60) occur in abundance, and are large enough to collect for eating. Unfortunately a few of these are deadly poisonous and sometimes occur in quantity. Some of these are also very attractive and always clean. is edible. Unfortunately some of the deadly poison- ous kinds will peel beautifully. Others say, collect only those that are pink underneath; this although good advice, unfortunately limits one's choice to but a few of the edible kinds. Still others say, never collect mushrooms in the woods but only in the fields, yards and gardens. This is again, excel- lent advice but also limits our choice and eliminates many of the very best. There is no simple rule that can be applied; one must learn to know the poisonous forms the same as he knows other plants. In order to enable mushroom lovers to avoid the dangerous forms, the most dangerous forms are de- scribed and figured Kix- 1-—V\x AKaiif (.Amanita muscaria. Linn). I>t'ai]ly From Bulletin 26:i, Ontario Department of Agriculture, Ontario Agricultural College. The question is often asked—"How do you tell a mushroom from a toad stool" meaning by toad stool a form that is either inedible or poisonous. There is no simple rule. Occasionally one sees published the old silver test. This is an old idea and still prevalent in some places, especially Italy. In ol
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