171 

 R. ovklis, (Ell.) {Plate 20) 



SphiEria ovulis, BH. Bull. ToTr. Bol. Club, VIII, p. 125. 

 Rosellinla ovalis, Sacc. Syll, 989. 

 Bxsicc. KIl- N. A, F. 895. 



Perithecia gregarious or subcespitose, ovate, rough, 250-300 /i 

 diam., with an obtusely papilliform ostiolum. Asci narrow, cylindrical, 

 75-85 (p. sp. 60-65) x 6 //. Sporidia uniseriate, continuoas, brown, va- 

 riable in size and shape, from short-elliptical to oblong, 8-12 x5-7 ft 

 (mostly 8-9 x 5-6 //). 



On "sage brush", (Artemisia,) Utah (S. J. Plarkness). 



Closely allied to H. pulveracea, differing principally in its peri- 

 thecia. 



R, mycophila, (Fr.) 



Sphnria mycophila, Fr. S. M. II, p. 462. 

 Rosellinia mycopkUa, Sacc. Syll. 958. 



Perithecia scattered, erumpent-superficial, black, fragile, subshin- 

 ing, smooth, hemispherical or irregular in shape, ostiolum papilliform, 

 finally deciduous, leaving the perithecia simply perforated. Asci cyl- 

 indrical. Sporidia uniseriate, elliptical, brown. Sometimes several 

 perithecia are confluent. 



On decaying Polypori, Pennsylvania and Carolina. 



R. deerkta, 0. & E. 



Sphizria deeraia, C. & B- Grev. V, p. 93, 

 Rosellinia deerata, Sacc. Syll. 961. 



Perithecia few, small, scattered, erumpent, globose, black. Asci 

 cylindrical. Sporidia uniseriate, elliptical, brown, 12x7 p.. Some of 

 the perithecia contain stylospores. 



On dead wood of Jnidperus Virginiaiia, Newfield, N. J. 



All the specimens of this species in our Herb, are stylosporous 

 (Shceropsis), and we suspect the specimens from which it was described 

 were B. abietina, Fckl. with denuded perithecia, 



R. urabrinella, (B. & C.) 



Spharia umiritiella, B. & C. Grev. IV, p. 152. 

 Rosellinia umbiinella, Sacc. Syll. 981. 



"Perithecia umber colored, with a black, papilliform ostiolum. 

 Asci linear. Sporidia uniseriate, brown, elliptical, binucleate." 

 On Eupatorium. coronopifolium, South Carolina. 



