POISONOUS FUNGI AND OTHER SPORE-BEARING PLANTS 33 



and death takes place in from two weeks to two months from the onset 

 of the disease. 



Description of Fungus. The fungus is characterized, as follows: 

 The uredosori are rounded, soon become powdery and scattered. The 

 uredospores are orange colored produced in short chains. They are 

 spherical, oblong or subcylindrical and spiny, 20-35 X 15-20/4. The 



FIG. ii. Amanita muscaria. (After Patterson, Flora W. and Charles, Vera K.: 

 Mushrooms and other common fungi. Bull. 175, U. S. Department of Agriculture, 

 1915. Fig. 3.) 



teliosori (teleutosori) are at first orange, later becoming red. They are 

 flat, often confluent and form frequently waxy crusts. The teliospores 

 (teleutospores) are cylindrical or somewhat clavate, generally four-celled, 

 60-70 X I5-25M- 



Fly Agaric, Fly Poison (Amanita muscaria = Venenarius muscarius). 

 This is a fleshy toadstool widely distributed in woods, the borders of 

 woods and thickets in temperate regions, being especially abundant under 

 and near pine trees. It is a striking plant and because of its showy char- 

 acter and beauty additionally dangerous. Its colors are paler in this 

 country than in Europe. The cap, or pileus, is convex-globose, flattening 

 out as it expands and from eight to twenty centimeters broad with a 



