94 Trans. Acad. Sci. of St. Louis. 



X. FLABELLirORMIS, ScllW. (P. 77). 



Forest park, July 14, 1899. On wood. Rare. 



X. coRNiFORMis, Isavia flahelUformis, (conidial) (Undw. — 

 701). 

 Forest park. June 8, 1899. Rare. 



USTULINA. 



U. VULGARIS, Tul. (Undw. — 293). 



" Conidial Stage." May. Rare. 

 Sporidia, 4-6 X 3 P--> white, subspindle shape. 



HYPOXYLON. 



H. coNCENTRicuM Grev. Daldinia concentrica, (Bolt.) C. 

 &D. (P. — 50). 



On dead wood. Occasionally. 



MISCELLANEOUS. 



Hypomyces lactifluorum, (Schw.) Tul. (Undw. — 604). 

 The host is Lactarius piperaia, which becomes de- 

 formed. Mus. Rep. 53, p. 858. 1899. 



OzoNiUM AURicoMUM, LiNK. (Pammel, — 47). 



Common on bark. Sec. Myc. Notes, 257, — Lloyd 

 for interesting comments. 



Sepidonium chrysospermum (Bull.) Fr. (P. — 112). 



On Boleti, especially, B. rubinelhis, which is often 

 clothed white all over. 



DiATRYBE STIGMA (Hoffm.) Fr. (von Schrenk, — 1165). 



On dead stick. See N. A. Pyrenomycetes, p. 565, 

 Ellis & E. 



Rhizomorphs, (1166). 



Forest park, Apr. 18, 1900. These are an extraordi- 

 nary development, of anastomosing hj^phae, under the 

 bark of a decaying elm trunk. 



Issued June 14, 1906. 



