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omycefes Systemattk. 

 RosTAFiNSKi, Dr. Josef, Monografia Slnzozvce. 

 Saccardo, p. a., Sylloge Fnngorum; Alyxomycetece^ Anctore Doct. A. 



N. Berlese. 

 Sachs, Dr. Julius, Vegetable Physiology. 



Schrceter, Dr. J., Kryptogamen-Flora von Schlesien; die Pilze. 

 Schrceter, Dr. J., Die Natuerlichen PJianzenfaviilien, Engler and 



Prantl; Myxogasteres. 

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Special thanks are due to Mr. J. B. Ellis, whose unwearied 

 patience has sufficed to meet all drafts upon his kindness dur- 

 ing a course of years; to Dr. Geo. Rex, whose letters and 

 specimens have been most helpful; to Prof. A. P. Morgan, 

 for constant similar assistance; to Mr. E. W. D. Holway, Mr. 

 B. Shimek, Prof. G. W. Newton, Prof. L. H. Pammel, Miss 

 Mary Linder, for material collected; to Prof T. J. Burrill and 

 Prof. C. E. Bessey, for literature; and finally to Miss Mary 

 McBride, to whose artistic skill is owing whatsoever advant- 

 age our present effort may possess by reason of the accom- 

 panying illustrations. 



