Seaver: Photographs and Descriptions of Cup-fungi 71 



On the ground in woods. 



Type collected in the woods near Yonkers, New York, May 

 22, 1916, by F. J. Seaver. 



Distribution : Known only from the type locality. 



4. Discina leucoxantha Bres. Rev. Myc. 4: 212. 1882 



Peziza leucoxantha Bres. Fungi Trid. 42. 1881. 



Apothecia gregarious or substipitate, at first subglobose, ex- 

 panding and becoming hemispheric or nearly plane, externally 

 whitish, reaching a diameter of 4-7 cm., the margin regular or 

 lobed; hymenium concave or nearly plane, even or undulated, 

 bright-yellow or becoming yellowish-brown with age ; stem about 

 1 cm. in diameter and scarcely exceeding 5 mm - m length, ir- 

 regularly corrugated at the base, the flesh thick and brittle ; asci 

 cylindric or subcylindric, attenuated at the base, reaching a 

 length of 400 \h and a diameter of 20 /x, becoming twisted, 8-spored ; 

 spores ellipsoid, smooth, containing one large oil-drop and sev- 

 eral smaller ones, becoming minutely sculptured, 10-15 X 27—35 \x ; 

 spore-sculpturing consisting of minute warts or occasionally 

 minute ridges or indistinct reticulations ; spore appendages con- 

 sisting of truncate protuberances, one at either end of the spore ; 

 paraphyses slender, septate, branched, slightly enlarged above, 

 filled with orange granules. 



On the ground in coniferous woods. 

 Type locality: France. 

 Distribution : New York ; also in Europe. 

 Illustrations: Bres. Fungi Trid. pi. 44; Bull. Soc. Myc. Fr. 

 3: pi 12 \ Bond. Ic. Myc. pi. 253; Rab. Krypt.-Fl. I 3 : 922. /. 5. 

 New York Botanical Garden. 



Description of Plate 4 



1. Discina convoluta Seaver. Two plants about natural size with draw- 

 ings of a portion of an ascus with spores, paraphysis, and one spore isolated. 



2. Discina ancilis (Pers.) Sacc. One plant showing the hymenial surface 

 and one in profile both about natural size with drawing of a portion of an 

 ascus with spores and paraphysis. 



All drawings made with the aid of the camera lucida. 



