70 JOURNAL OF THE 



of the diameter of perithocinm or sometimes very little longer, 

 dark l^rown for about half their length, sometimes the color 

 ceasing abruptly midway as if tlie appendage were septate, some- 

 times extending to near the tips, four to five times dichotomous. 

 Asci four to five, obovate, about 35x50, shortly pedicellate. 

 Spores three to four, mostly four, small, about 15. 



On Cephalanthus occidentalism Auburn, Ala., autumn, 1889, 

 1031. 



M. DIFFUSA C. & P. 



Amphigenous or mostly epiphyllous; mycelium thin, persist- 

 ent or evanescent. Perithecia numerous, scattered or subgrega- 

 rious, black, small, 100-120. Appendages ten to twenty-five, 

 long, two to five times the diameter of the perithecium, some- 

 times colored at the base, loosely several times dichotomous, 

 tips straight or flexuous. Asci five to ten, ovate or elliptical, 

 30-40x50-60, pedicellate. Spores six, small, 16-18. 



On Desmodium, Auburn, Ala., autumn, 1889, 1019; Lespe- 

 deza striata, November, 1889, 1014. 



On Desmodiwn the specimens were mostly epiphyllous, while 

 on Lespedeza they were common on both sides of the leaf. 



M. Vaccinii C. & p. 



Amphigenous; mycelium thin. Perithecia numerous, scat- 

 tered, black, 100-130, reticulations distinct. Appendages six to 

 fifteen, three to four times the diameter of the perithecium or 

 longer, hyaline, colored at base, rough, slender, three to four 

 times dichotomous, tips incurved when mature, branching usu- 

 ally compact, sometimes the first branches strongly divergent. 

 Asci six to eight, 25-30x50-60, oval or elliptical, pedicellate. 

 Spores four to six, 17-20. 



On ■ Vaccinium, Blowing Rock, Watauga county, N. C, 

 August, 1888, 616. 



M. EuPHORBLE B. & C. (see Figs. 1-4, PI. I). 



Amphigenous; mycelium dense, persistent. Perithecia numer- 

 ous, scattered, soft, 80-100, reticulations distinct. Appendages 

 five to fifteen, roughened, hyaline, two to six times the diameter 

 of the perithecium or longer, short ones usually not branched, 



