389 



Superficial, nestling in a black, conidiiferous subiculum. Peri- 

 thecia very small, l:)lack, opake, hemispherical. Asci lanceolate, with 

 an acute, horn-shaped apicuhis above. Sporidia lanceolate, 3-septate, 

 hyaline, 25x5 fj.. Conidia pluriseptate, muriform, brown, 45-50 fi 

 long. 



On culms oY Zea Mays, Aiken, South Carolina. 



M. borealis, Rostr. 1. c. 



Perithecia gregarious, above the medium size, sphseroid, with a 

 conoid papilla. Asci cylindric-clavate, 70-75x14-16 fi. Sporidia 

 biseriate, cuneate-oblong, 1-3-septate, hyaline, obtuse at both ends, 

 22-26 X 5-6 ju. 



On dry stems of Tofielda borealis, Umanarsuk, Greenland. 



M. Panicorura, (Cke.) 



Spharella Panicum, Cke. Grev. V, p. 153. 



Metaspharia Panicorum, Sacc. Syll. 3483, and Cke. Syn. 4479, 



Perithecia epiphyllous, scattered, covered, on purple spots. Asci 

 clavate. Sporidia biseriate, fusiform, hyaline, triseptate, 25 x 5 fi. 

 C)n fading leaves of Panicum, South Carolina. 

 M. carectoruni, (B. & C.) 



Sphnria carectorum, B. & C. Grev. IV, p. 153. 



Metaspharia carectorum, Sacc. Syll. 3487, and Cke. Syn. 4482. 



Minute, punctiform, scattered, subprominent. Asci clavate. Spo- 

 ridia short-fusiform, 4-nucleate. No measurements given. 

 On leaves of Garexfolliculata, United States. 



M. recutita, (Pr.) 



Sphcsria recutita, Fr. S. M. II, p. 524. 

 Spharella recutita, Fckl. Syrab. Nachtr. II, p. 21. 

 Metasphceria recutita, Sacc. Syll. 3484, and Cke. Syn. 4480. 

 Exsicc. Fckl. F. Rh. 2434. 



Perithecia very small, spherical, perforated above, black, innate- 

 erumpent, crowded in long, parallel lines, so that often the whole leaf 

 appears gray. Asci pyriform or ovate-elliptical, sessile, 8-spored, 

 27-30 X 1 2 u. Sporidia conglomerated, elongated-clavate, somewhat 

 narrowed below, uniseptate, slightly constricted at the septum, hyaline, 



12-14x3i//. 



On dead leaves of Carices, Troy, N. Y. (sec. Peck). 

 ** Sporidia 4r-8-septate. 



M. defodiens, (Ell.) 



Sphceria {Uptospharia) defodiens, EU. Bull. Torr. Bot. Club, VIII, p. 90. 

 Metasphceria defodiens, Sacc. Syll. 3505, Cke. Syn. 4503. 

 Exsicc. Ell. N. A. F. 889. 



