278 
Mycologia 
Distribution: New York to Maine and Wisconsin. 
Illustration : Cooke, Mycographia, pi. 79, f. 306. 
Aleurina aquehongensis sp. nov. 
Plants gregarious or scattered, sessile, discoid to shallow cup- 
shaped, reaching a diameter of about 1 cm., externally slightly 
roughened, entirely brownish-black, with a slightly greenish tint 
to the hymenium which appears to be due to the spores which 
have dusted out of the asci ; asci cylindric above, tapering below 
into a rather irregular stem-like base, reaching a length of 300- 
350 [x and a diameter of 15-17 /x ; spores i-seriate or occasionally 
slightly crowded, ellipsoid to subfusoid with the ends narrowed 
and containing one or two oil-drops, at first smooth, becoming 
rough, roughenings taking the form of irregular reticulations, 
mature spore 22-25 X 10-12 fx, hyaline, becoming pale smoky- 
brown, color more or less evanescent; paraphyses rather strongly 
enlarged above, reaching a diameter of 6 jjl, pale-brown. 
On the ground in a damp place. 
Type collected by N. L. Britton and F. J. Seaver near Oak- 
wood Heights, Staten Island, September 5, 1914. 
Distribution : Known only from the type locality. 
Explanation of Plates CXLII-CXLIV 
Plate CXLII 
Upper figure, Aleuria rutilans (Fries) Gill. Photographed from material 
collected at Hudson Falls, New York, by Mr. Stewart H. Burnham. 
Lower figures, Aleuria rhenana Fuckel. Photographed from material col- 
lected at Mill City, Oregon, by Dr. W. A. Murrill. 
Plate CXLIII 
Upper figure, Aleuria aurantia (Pers.) Fuckel. Photographed from mate- 
rial collected in the New York Botanical Garden, by the writer. 
Lower figure, Aleurina retiderma (Cooke) Seaver. Photographed from ma- 
terial collected at Portland, Connecticut, by the writer. 
Plate CXLIV 
Spores and paraphyses drawn with the aid of the camera lucida to a com- 
mon scale. Where the base of the ascus is shown, it is doubled back to save 
space. 
1. Aleuria aurantia (Pers.) Fuckel. 
2. Aleuria rhenana Fuckel. This drawing shows the spirally coiled base 
of the ascus as it often occurs in this species. 
3. Aleuria bicucullata Boud. 
4. Aleuria rutilans (Fries) Gill. 
5. Aleurina aquehongensis Seaver. 
6 . Aleurina retiderma (Cooke) Sacc. 
