179 



In Grev. XVI, p. 89, this is placed by Cooke in Amphisphceria as 

 having brown sporidia, but Avhat we have taken for this species (on 

 white oak bark, Newfield), has hyaline sporidia. Berkeley, in Grev, 

 IV, p. 144, gives the sporidia as "shortly fusiform, oblique, uniseptate, 

 33 fi long." 



M. latericollis, (Fr.) 



Sphczria latericollis. Fr. S. M. II, p. 464. 

 Melanopsamma latericollis, Sacc. Syll. 2259. 



Perithecia scattered or subgregarious, rarely 2-3-confluent, of 

 medium size, at first immersed, then nearly free, obliquely ovate or 

 irregular, very black. Ostiolum generally lateral, straight or curved, 

 cylindrical, about as long as the perithecium. Asci oblong, stipitate, 

 8-spored, 80 x 14 p. Sporidia biseriate, oblong-fusoid, obtuse at the 

 ends, straight or curved, uniseptate, sharply constricted at the septum, 

 cells 1-2-nucleate, slightly brownish, 24 x 7-8 fi. 



On rotten wood, Bethlehem, Pa, 



M. recessa, (C. & P. 



Sphceria, recessa, C. & P. 29th. Rep. N. Y. State Mus. p. 61. 

 Melanopsamma recessa, Sacc. Syll. 2265. 



Perithecia gregarious, at first semiimmersed, smooth, flattened, 

 dark brown or black, 300 p. diam. Asci subclavate. Sporidia 1-2- 

 seriate, elliptical, uniseptate, deeply constricted at the septum, hyaline, 

 13-20x7-10 p.. The perithecia have something of a discoid appear- 

 ance. 



On rotten wood, New York State. 



M. cupressina, E. & E. Journ. Mycol. II, p. 103. 



Perithecia gregarious or scattered, emergent-superficial, subhys- 

 teriiform-elongated, \-\ mm. diam., rough, carbonaceo-membranaceous, 

 with a broad and rather depressed opening above, (probably with a 

 prominent ostiolum at first). Asci clavate-cylindrical, 55-70 x 10-12 /i, 

 with filiform paraphyses, and 8 biseriate, yellowish-hyaline, clavate-ob* 

 long, uniseptate, about 12 x4 /z sporidia. 



On bleached wood of cypress and red cedar, Louisiana (Langlois.) 



M. psecilostoma, (B. & Br.) 



Sphczria pcecilostoma, B. & Br. Brit. Fungi, No. 876, tab. io, fig. 23. 

 Zignoella pcBcilostoma, Sacc. Syll. 3652. 

 Conisphcsria pcecilostoma, Cke. Syn. 3334. 



Perithecia partly free, subglobose, opake. Ostiola variable, obso- 

 lete, conic-cylindrical, frequently somewhat compressed. Asci short. 



