284 



Mycologia 



vernicosa and D. concentrica, when mounted in dilute alkaline 

 solutions. 



Office of Investigations in Forest Pathology, 

 Bureau of Plant Industry, 

 Washington, D. C. 



Bibliography 



1. Seaver, Fred J. Studies in pyrophilous fungi — I. The occurrence and 



cultivation of Pyronema. Mycologia I : 131-139. pis. 9-12. 1909. 



2. Seaver, Fred J., and Clark, Ernest D. Studies in pyrophilous fungi — II. 



Changes brought about by the heating of soils and their relation to the 

 growth of Pyronema and other fungi. Mycologia 2: 109-124. pis. 

 24-26. 19 10. 



3. Lloyd, C. G. Daldinia vernicosa. In Mycological notes. No. 43, p. 604. 



1916. 



4. Lloyd, C. G. Hypoxylon cerebrinum. In Mycological notes. No. 42, p. 



579- 1916. 



5. Peck, C. H. Plants of North Elba, Essex Co., N. Y. New York State 



Museum Bui. 6: 67-266. 1899. (See p. 229.) 



6. Ellis, J. B., and Everhart, B. M. Daldinia vernicosa. In The North 



American Pyrenomycetes, p. 661. 1892. 



7. Lindau, G. Daldinia DeNot. In Engler and Prantl's Die natiirlichen 



Pflanzenfamilien. Teil I, Abteilung I, p. 487. 1897. 



8. Saccardo, P. A. Daldinia vernicosa. In Sylloge. Vol. 1, p. 394. 1882. 



Explanation of Plate 14 



A. Trunk of white oak (Quercus alba L.) one year and three months after 

 it was killed by a light surface fire, showing the abundance of Dalidinia verni- 

 cosa. The trunk bears a 6-inch rule. 



B. Sporophores of Daldinia vernicosa, showing both external and sectional 

 views, natural size. 



