270 NATURAL HISTORY BULLETIN. 



Gregarious, stipitate, globose, then expanded, becoming 

 funnel-shaped, yellowish brown, 1 to 2 cm. in diameter: mar- 

 gin incurved; hymenium concave, same color as exterior; stem 

 1 to 10 mm. in length, tapering toward the base; asci cylin- 

 drical, sporidia fusiform, 25 to 35 by 6 microns, granular 

 within; paraphyses filiform, abundant. 



Habitat — In w 7 oods on rotten logs, summer; Iowa City. 



Plants found on wood which is generally very much de- 

 cayed. They are generally found in groups and may be quite 

 easily distinguished in the field by their short stems and 

 uniform dull, smoky, brown color. Upon microscopic exam- 

 ination, they may be distinguished by their long slender 

 spores. 



Genus IX— M ACROPODIA Fuckel 



Receptacle borne on a stem which is generally long and 

 slender, externally rough or clothed with minute hairs; hy- 

 menium dark colored, spores elliptical or fusiform. 



One species common in woods on naked soil near Iowa City. 



Macropodia pubida (B. & C.) Sacc. 

 Plate XX, fig. 1. 



1874 Peziza pubida Berkeley and Cooke, Grev. Ill, p. 153. 



1884 Peziza pubida Ellis and Everhart, N. A. Fung., No. 1269. 



1889 Macropodia pubida Saccardo, Sylloge Fung., VIII, p. 159. 



1902 Peziza pubida Masse, Morgan, Jour, of Myc. Vol. 8, No. 64, p. 190. 



Cups gregarious or scattered, hemispherical, shortly stipi- 

 tate below, .5 to 1 inch in diameter; hymenium dark brown, 

 often purplish when dry: externally covered with short, brown, 

 septate hairs, giving the plants a mealy appearance, hair longer 

 near the base; asci cylindrical; sporidia 8, fusiform, rough, 2 

 guttulate, granular within, 38 to 42 by 10; paraphyses slender 

 enlarged upward, brown. 



Habitat — On the ground in woods all summer, Iowa City. 



The stem is short and generally covered with long, brown 

 hairs, and immersed in the ground so that the cups seem to 



