30 NEW YORK STATE MUSEUM 



Pemcillium digitatuni (Fr.) Sacc. 



Decaying lemons. Albany. Sometimes the whole surface of 

 the lemon is covered with a dusty, bluish green coat of this mold. 



Penicillium pallidofulvum n. sp. 



Sterile hyphae creeping, forming a stratum of dense, tawny 

 tomentum; fertile hyphae erect, septate, simple or with one to 

 three short branches or protuberances at the top; spores caten- 

 ulate, elliptic, .00012--.00016 of an inch long, at first white, soon 

 pale tawny or ochraceous. 



Parasitic on L a c t a r i u s d e c e p t i v u s. Round Lake. 



July. 



Macrosporium lagenariae Thum. 



On fruit of gourds, L a g e u a r i a vulgaris. Albany. Jan 

 uary. W. L. Smith. 



Fusarium laxum n. sp. 



Tufts minute, loosely gregarious, white; sporophores slen- 

 der; spores narrowly fusiform, slightly curved, 3-5 septate, 

 hyaline, .001-.002 of an inch long. 



Dead stems of scouring rush, Equisetum hiemale. Del 

 mar. July. Apparently a peculiar species belonging to the 

 section Fusisporium but having tufted sporophores. 



Stilbum resinaria n. sp. 



Stem cylindric, about .25 of a line long, white; capitulum 

 globose or depressed globose, creamy yellow; spores minute. 

 subglobose, .00008-.00012 of an inch long, nearly as broad. 



Resinous spots on bark of balsam fir, Abies balsamea. 

 Adirondack mountains. Closely allied to S. r e h m i a n u m . 



Helvella ambigua Karst. 

 Decaying wood. Piseco. August. G. F. Atkinson. This 

 species may easily be confused with H. i n f u 1 a, from which it 

 scarcely differs except in its pileus having a reticulated sur- 

 face and in its longer, more fusiform spores. 



Detonia fulgens (Pers.) Rehm 

 Under spruce and balsam fir trees. North Elba. May. Near 

 Ithaca. April. E, J. Durand. 



