398 



diam., nestling in a dirty-brown subiculum. Asci cylindric-clavate, 

 tapei'ing to a slender pedicel which terminates in a bulbous base, 170x 

 16 /-(, 8-sporod. Sporidia pale brown, tapering, obtuse at the ends, 

 20-30-septate, constricted, the upper cell, and 1-3 other cells, at irreg- 

 ular intervals, enlarged and globular, 120-140x4-6 /i. 



On decorticated branches of Sambucus glauca, California. 



0. collapsus, Sacc. & Ell. Mich. II, p. 374. 



Exsicc. Ell. N. A. F. 584. 



Perithecia gregarious, covered by the epidermis, then erumpent, 

 depressed-globose, \ mm. diam., collapsing to cup-shaped, becoming- 

 black, not seated on any spots. Asci cylindrical, short-stipitate, 80- 

 110 X 8-10 [1, 8-spored. Sporidia rod-shaped, slightly curved, nodulose- 

 thickened in the middle, 70 x 2 //, 12-15-guttulate, hyaline. 



On dead stems of Trifoliwm. pratense, Newfield, N. J. 



0. versisporus, E. & M, Journ. Mycol. I, p. 99. 



Exsicc. Ell. & Ev rht. N. A. F. 2d Ser. 1961. 



Perithecia scattered or gregarious, covered by the cuticle, lentic- 

 ular, \-\ mm. diam., covered by the blackened epidermis which is 

 whitened just around the short, obtuse, barely erumpent ostiolum, 

 Asci 70-80 X 8-9 (i. Paraphyses ? Spoi'idia filiform, curved, multi- 

 nucleate at first, but at length of a uniform pale yellow color, without 

 nuclei or septa, 60-70 x 2-2^ /i. 



Oa dead petioles of Sabal serrulata, Florida (Martin). 



Melanconium Sabal, Cke. is usually associated with this. 



Species imperfectly hnown. 

 ? glomus, (B.&C.) 



Spktsria glomus 1 B, & C. Grev. IV, p. 152. 

 Ophiobolus? glomus, Sacc. Syll- 4055. 

 Rap hidospora glomus, Cke. Syn. 4570, 



"Perithecia convex, perforated. Sporidia linear, sigmoid, 25- 

 50 fi long. Stylospores are produced within flat, dark specks seated 

 on forked threads, at first joined in pairs, so as to make an obovate 

 mass, then separating and still obovate, but narrow, 25 n long. On 

 Ambrosia, Alabama." 



0. SoMaginis, (Fr.)? 



SphcBria Solidaginis, 

 Ophiobolus Solidagin 



Perithecia scattered, depressed-globose, 300 /i diam., covered by 



Sphcsria Solidaginis. Fr. flench. II, p. io6. See also Grev. VI, p. 16, 

 ophiobolus SolidaginiSy Sacc. Syll. 4034, Cke. Syn. 4547. 



