1894.] NATURAL SCIKNCES OF PHILADKLIMII A. 331 



uniseriate, clavate or narrow obovate, 8-10-septate and muriform, 

 brown, 30-35 x 10-12//,, narrowed almost to a point below. 

 Teichospora rliypodes E. & E 



On decorticated Bhus, Ann Arbor, Mich., Apr., 1893 (L. N. 

 Johnson, No. 1,545). 



Perithecia gregarious, enimpeut-superficial, conic- hemispheiical, 

 ^ mm. diatn., with a papilliform or conic-papilliform ostiolum. Asci 

 cylindrical, 100-110x12//, paraphysate, 8-spored. Sporidia uni- 

 seriate, obloug-elliptical, yellow- brown, 6-7-septate, with a more or 

 less perfect longitudinal septum running through several of the cells, 

 15-18 X 7-8//-, slightly constricted in the middle, ends obtusely 

 pointed. Accompanied by pycnidial perithecia {Macrophovia rhoina 

 E, & E.), smaller and depressed, with fusoid-oblong, hyaline 

 sporules 18-22x6-7//. 



The ascigerous perithecia are more or less covered below with the 

 remains of the decomposing fibers of the wood and have a dirty 

 look. 



Teichospora crossota E. & E. 



On the weathered inner surface of elm bark, Rockport, Kansas, 

 Apr., 1894 (Bartholomew, No. 1,437). 



Perithecia gregarious, erumpent-superficial, ovate-globose, rough, 

 black, 150-200//, diam., fringed around the base with short, creep- 

 ing, brown hyphse, not collapsing. Ostiolum papilliform. Asci cylin- 

 drical or clavate-cylindrical, about 75 x 10-12//, abruptly contracted 

 below into a short, crooked stipe, paraphysate, 8-spored. Sporidia 

 sub-biseriate, obovate-elliptical, yellow-brown, 3-septate and more or 

 less constricted in the middle, 12-15 x 8-9//, ends obtuse. 



Allied to T. pygmcea E. & E., but perithecia gregarious and 

 fringed, and sporidia longer and acute below. 



Teichospora piriospora E. & E. 



On outer bark of living Fraxinus viridis, Rockport, Ks. , March, 

 1894 (Bartholomew, No. 1,233). 



Perithecia erumpent-superficial, subglobose, I mm. diam., with a 

 papilliform ostiolum. Asci cylindrical, 100-110 x 15-18//, sub-sessile, 

 paraphysate, 8-spore4. Sporidia overlapping- uniseriate, piriform, 

 6-11-septate and muriform, yellow'-brown, 35-45 x 12-15//, the 

 terminal cells a little paler. 



