650 NEW YORK STATE MUSEUM 



short, lateral, solid, often irregular, clothed like the pileus; spores fusi- 

 form, .0005 in. long, .00016 broad, usually containing a single large 

 nucleus. 



Pileus 2 to 3 in. broad; stem about i in. long, 4 to 6 lines thick. 



Roots of trees or decaying wood buried in the ground. North Elba 

 and Marcy trail. August. 



Vermicularia punctans Schiv. 



Dead leaves of Indian grass, Chryso^ogon avenaceiis. Karner. October. 



The spores in our specimens are subfusiform and slightly curved. 

 They are supported on slender sporophores from one fourth to one half 

 the length of the spores. 



Uromyces caryophyllinus (Schrafik) Schroet. 



Living leaves of carnation pink. Gouverneur. November. Mrs E. C. 

 Anthony. 



Peridermium Engelmanni Thwn. 



Cones of spruce trees. Fulton Chain and North Elba. June and 

 July. Apparently a rare species. Only a few cones on the tree were 

 affected by it. 



Gymnosporangium Nidus-avis Thaxter 



Living branches of red cedar, Jimiperus Vi^giniana. Staten Island. 

 April. L. M. Underwood. 



Peronospora australis Speg. 



Living leaves of star cucumber, Sicyos angulatus, Hoffman, 

 Schenectady co. July, 



Chlorosplenium aeruginascens {Nyl) Karst. 



Decaying wood of poplar, Populus tremuloides. Karner. October. 



This species is closely related to Chlorosplenium aerugiftosum, from 

 which it may be separated by its smaller spores. Both plants discolor 

 the wood on which they grow. 



Tympanis laricina {FckL) Sacc, 



Dead branches and bark of larch and balsam fir. North Elba. 

 August and September. 



