57 



EUROTIUM, Lk. 



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



Perithecia superficial, globose, astomous, membranaceo-coriaceous. 

 Asci subspherical or pear-shaped, scattered. Sporidia lens-shaped or 

 spherical, subhyaline. 



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



Mucor herbariorum, Wigg. Prim. Flor. Hols. p. in. 

 Eurotiunt epixylon, Schra. & Kze. Deutschl. Sehwamme. 83. 

 Eurotiuvi Aspergillus glaucus, de Bary Beitr. Ill, p. 19. 

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



Mycelium superficial, loose, at first white, then red or reddish- 

 yellow. Perithecia globose, sulphur yellow, 75-100 p diain. Asci 

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

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

 briefly radiate-striate, 8-10 // diam. 



On poorly preserved herbarium specimens <fcc, in damp places. 



MYRIOCOCCUM, Fr. 



Systema Myeologicum II, p. 304 



Perithecia globose, membranaceous, subastomous, firm, gregarious, 

 seated on an interwoven, mucedinous subiculum. 



M. Everhartii, Sacc. & Ell. Syll. 1, p. 760. (Plate 9) 



Exsicc. EH. N. A. F. 766. 



Perithecia densely gregarious, subglobose, obtuse, astomous. 

 150-200 n diam. densely clothed with a very thin, 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. prwcox, 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 Sri. Phila.. 

 July, 1890. 



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

 membranaceous, 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. 4-4^ x 1 \ u 

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

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

 8 



