956 NEW YORK STATE MUSEUM 



spots on the leaves have not the violaceous margin attributed 

 to the typical form of the species and they are generally marked 

 by a few elevated lines or ridges. Their color is usually reddish 

 brown rather than ochroleucous. The difference in the host 

 plants is probably the cause of the difference in the spots. 



Chalara paradoxa (Seynes) Sacc. 



Decaying pineapple. Menands. June. The inner flesh of 

 the affected fruit is blackened by the fungus. 



Colletotrichum antirrhini Stewart 



Living stems and leaves of great snapdragon, Antirrhi- 

 num ma jus. Geneva. September. F. C. Stewart. 



Colletotrichum rudbeckiae n. sp. 



Pustules minute, numerous, closely gregarious, round or 

 hysteriiform, black, at first covered by the epidermis, then 

 erumpent; setae few, black; spores straight or slightly curved^ 

 acute, hyaline, .0005-.0006 of an inch long, .00016 broad. Dead 

 stems of cultivated cone flower, Rudbeckia laciniata. 

 Geneva. July. F. C. Stewart. 



Helyella adhaerens n. sp. 



PLATE L, FIG. 11-15 



Pileus thin, irregular, deflexed, whitish or smoky white, be- 

 coming brownish with age or in drying, the lower margin at- 

 tached to the stem, even and whitish beneath; stem slender, 

 even, solid, pruinosely downy, smoky white or brownish, the 

 upper part concealed by the deflexed pileus and smaller than the 

 lower exposed part; asci cylindric, 8 spored; spores elliptic, 

 often uninucleate, .0007-0008 of an inch long, .0005 broad; 

 paraphyses filiform, hyaline, thickened or subclavate at the top. 



Ground in woods. Bolton and Hague. August and September. 

 Related to H. e 1 a s t i c a , from which it is easily distinguished 

 by having the deflexed margin of the pileus attached to the 

 stem. When young and fresh the whole plant is whitish or 

 dingy white, but it is apt to become brownish with age or in 

 drying. 



