EXPLANATION OF PLATE XXII 



Brefeldia jnaxima Rost., p. 15+. 

 Fig. L Plasmodium active; climbing the stump. 

 Fig. 2. Same plasmodiiim urgent; moving at the rate of 2 cm. per minute. 



From photo-prints by Mr. W. A. Seaman and Mr. John F. Reeder, Mich. 

 The figures are about one-sixth the natural size of the object. See piate 

 preceding for the mature phase of this species, natural size. 



34+ 



