329 



DITOPELLA, De Not. (Plate 32) 



Sferiacei Ital. p. 42. 



Perithecia corticolous, covered. Ostiolum suberumpent. Asci 

 subclavate, polysporous, aparaphysate. Sporidia oblong or fusoid, 

 contiimous, subhyaline. 



D. Hosackiae, (Cke. & Hark.) 



Sphczrella? Hosackice, Cke. & Hark. Grev. IX, p. 86. 

 Ditopella Hosackice, Sacc. Syll. 1739, Cke. Syn. 4111. 



Scattered, covered, punctiform. Perithecia globose-depressed. 

 Asci clavate, sessile, containing about 16 sporidia, which are ellipsoid, 

 hyaline, about 6 x 2| /x. 



On twigs of Ffosackia, California. 



^^jDecc. sent by Harkness afford only subcuticular, flattish 



with elliptic-oblong, brown stylospores, 3-septate, 



divided by a longitudinal septum (Dichomera 



K. in ibv: 



FAMILY 



Perithecia mem 

 form or short-conical ostiolum, or 

 in the matrix with only the ostiolum projecting, finally often eruni 

 and nearly free and superficial by the falling away of tm7epn?SB(| 

 Asci clavate-cylindrical, paraphysate. Sporidia 1- or more-septate, 

 (muriform in Pleospora), mostly colored, elliptical, oblong, fusoid or 

 filiform. 



DIDYMOSPHMlA, Fckl. 



Symbolae Mycol. p. 140. 



Perithecia covered by the epidermis, submembranaceous, with a 

 minute, papilliform ostiolum. Asci paraphysate, 4-8-spored. Spo- 

 ridia ovoid-oblong, uniseptate, colored (brown). 



D. palmacea, (Cke.) 



Sphceria palmacea, Cke. Grev. VII, p. 12. 

 Anthostomella palmacea, Sacc. Syll. 1085. 

 Didymosphczrella palmacea, Cke. Syn. 4675. 



Immersed, covered. Perithecia very small, subglobose, about 

 100 p. diam. Ostiolum punctiform, barely erumpent. Asci cylin- 

 42 



