57 



EUROTIUM, Lk. 



Spec. Plant. VI, i, p. 79. 



Peritliecia superficial, globose, astomous, meiiibranaceo-coiiaeo(jus. 

 Asci subsjihei'ical or pear-shaped, scattered. Sporidia lens-shaped or 

 spherical, suljhyaline. 



E. herbariorum, (Wigg.) (Plate 8) 



Mucor herbariorum^ Wigg. Prim. Flor. Hols. p. Iii. 

 Eurotium epixylon, Schm. & Kze. Deutschl. Schwanime. 83. 

 Eurotium Aspergillus glaiicus, de Bary Eeitr. Ill, p. 19. 

 Exsicc. Rab. Herb. Mycol. 488.— Thum. F. Austr. 656, 848.— BU. N. A. F. 383. 



Mycelium superficial, loose, at fii'st white, then red or i-eddish- 

 yellow. Perithecia globose, sulphur yellow, 75-100 /i diam. Asci 

 spherical or pear-shaped, 12-15 fi diam., 8-spored. Sporidia lens- 

 shaped, with a groove around the edge and the margin on each side 

 briefly radiate-striate, 8-10 [i diam. 



On poorly preserved herbarium specimens &c., in damp places. 



MYRIOCdcCUM, Fr. 



Systema Mycologicum II, p. 304 



Perithecia globose, membranaceous, subastomous, firm, gregarious, 

 seated on an interwoven, mucedinous subiculum. 



M. Everhartii, Sacc. & Ell. Syll. I, p. 760. (Plate 9) 



Exsicc. Ell. N. A. F. 766. 



Perithecia densely gregarious, subglobose, obtuse, astomous, 

 150-200 fi diam. densely clothed with a very thiu, pale cinereous, 

 cottony coat. Texture of the perithecia areolate, thin, membran- 

 aceous, subrufous. Asci? Spores? conglutinate,' globose or angular, 

 and of various shapes, 8-12 // diam., granular-nucleate, hyaline. Dif- 

 fers from M. proBCOx, Fr. principally in the cottony layer enveloping 

 the. perithecia. 



On rotten wood, New Jersey — inside a hollow willow log, Penn- 

 sylvania (Everhart). 



M. consimile, E. & E. Proc. of the Acad, of Arts and Sci. Phila., 



July, 1890. 

 Perithecia gregarious, globose, 80-100 pt diam., carbonaceo- 

 niembranaceous, nearly black, collapsing, pierced with a small round 

 opening above, the upper half finely radiate-striate, texture close, 

 finely radiate-cellular, filled with olivaceous, oblong, 4-4JxlJ ft. 

 spores, without any evident asci or basidia. The perithecia are en- 

 veloped in a loose, glauco-cinereous mycelium of the same color and 

 8 



