,150 FIELD COLUMBIAN MUSEUM BOTANY, VOL. i. 



CYATHICULA De Not. 



C. quisquiliaris E. & E., Proc. Phila. Acad., 451 (1893). 



TYPE HABITAT: On dead racemes of Quercus Prinus, on dead 

 leaves, on rock in woods, April 2, 1893 (Nuttall, discov. 941). 



Gregarious, sessile, i to 1.5 mm. diameter, cup-shaped, disk 

 pale with a tinge of brick color when dry, dull, dirty-white and 

 purpuraceo-squammulose outside, margin distinctly cleft-toothed 

 and incurved when dry. Asci cylindrical, subsessile, 55 to 65 x 

 6 to 7 fjL, with filiform paraphyses scarcely thickened above. 

 Sporidia uniseriate, or sub-biseriate above, elliptical, hyaline, con- 

 tinuous, 6^to 8 x 3 to 4 [j.. 



CHLOROSPLENIUM Fr. 



C. seruginosum (CEder) De N. 



On loose core inside dead tree, Nov. 6, 1893. Disk more bril- 

 liant than margin in light and when young, in shadow varying to 

 pure white. Asci over 105 x 7.5 /j. total length, spores guttate 

 12.5 x 3 // (Nuttall, 1235). 



C. versiforme (Pers.) Karst. 



On rotten mossy log, Short Creek, Oct. 28, 1893 (Nuttall, 1238). 



C. Schweinitzii Fr. 



Top of oak log, Dec. 10, 1893. Yellow in spring, green in. 

 autumn and winter (Nuttall, 1276). 



MOLLISIA Fr. 

 M. Dehnii (Rabenh) Karst. 



On Potentilla Monspeliensis, July 21, 1894 (Ntittall, 1618). 



M. pinastri (C. & P.) Sacc. 



On Pinus Virginiana, Dec. 3, 1894 {Nuttall, 1763). 



M. CINEREA (Batsch.) Karst. 



Peziza cinerea Batsch. On decayed log, Monongalia Co., near 

 Morgantown (Millspangh}. 



PYRENOPEZIZA Fuckel. 



P. lacerata (C. & P.) Sacc. 



On Rubus odoratus, May 31, 1894. Asci 45 to 50 x 5 to 6 //. 

 Spores 8 to 12.5 x 2 to 2.5 // (Nuttall, 1529). 



TAPESIA Pers. 



Ti sanguinea (Pers.) Fckl. 



On dead log, and on Magnolia Fraseri and Juglans cinerea, June 

 10, 1894 (N'uttall, 1546). 



T. fusca(Pers.) Fckl. 



On rotten burned log Tsuga Canadensis; on dead rotting log 

 Juglans cinerea, alt. 1,300 ft. Asci 45 to 92 x 495 //.. Spores 8 to 

 10 x 2 //.. Short Creek, Feb. 2, 1894 (Nuttall, 1365). 



