448 



fusoid-oblong, 4-nucleate, hyaline, subacute, slightly constricted in the 

 middle, straight, 11-14x3-4 fi. 



On dead stems of Corylus Americana, Newfield, N. J. 



D. recondita, (Schw.) 



SphcEria recondita, Schw. Syn. N. Am. 1300. 



Perithecia sunk in the wood, depressed-globose, with very long, 

 rough ostiola protruding here and there through- the epidermis which 

 is finally thrown off, revealing the black, indefinitely effused, crus- 

 taceous stroma. 



On dead stems oi Ribesjloridum, Bethlehem, Pa. (Schw.). 



The specimen in Herb. Schw. has fusoid-oblong, hyaline sporidia 

 5-7xl|/i. 



D. subpyramidkta, (B. & C.) 



Euiypa subpyramidaia, B. & C. Grev. IV, p. 97. 

 Diaporthe subpyramidaia, Sacc. Syll. 2456, Cke. Syn. 2227. 



" Effused; perithecia of a somewhat pyramidal shape, forming a 

 rasp-like stratum. Asci lanceolate, much attenuated below. Sporidia 

 biconical, each division much attenuated." 



On oak, North Carolina. 



No measurements of asci and sporidia given. 



D. griseo-tingens, (B. & C.) 



Sphceria griseO'tingens, B. & C. Grev. IV, p. T48. 

 Diaporthe griseo-iingtns, Sacc. Syll. 2490, Cke. Syu. 2262. 



" Gregarious, forming little detatched or continuous, short, linear 

 prominences, marked with the ostiola. Asci clavate. Sporidia ol)- 

 liquely fusiform, 20 fi long." 



On Juniperus Virginiana, Pennsylvania. 



** On dicotyledonous, herbaceous plants. 

 D. apiculosa, Ell. Bull. Torr. Bot. Club. IX, p. 19. 



Exsicc. Ell. N. A. F. 787. 



Perithecia scattered, small, buried in the substance of the stem, 

 which is uniformly blackened on the surface. Ostiola rather stout, 

 slightly projecting. Asci oblong-clavate, 40-50 x 7 /i, 8-spored. Spo- 

 ridia biseriate, elliptical, 2-3-nucleate, with a faint apiculus at each 

 end, 81-10 x 3| ^. 



On the lower part of the stems and the thick part of the roots of 

 old Erigevon Canadensis, dccajang on the ground, Newfield, N. J. 



D. discrepans, Sacc. Mich. II, p. 568. 



Perithecia gregarious, immersed in the more or less blackened 



