85 



H. chroniosperma, C. & P. -29th. Rep. X. Y. State Mus. p. 57. 



"Fleshy, soft, convex, orbicular. 1-2 lines broad, flattened and 

 patellate when dry, whitish or watery tan-color. Ostiola slightly prom- 

 inent. Asci cylindrical. Sporidia quadrate-globose, brownish when 

 mature, 4-5 />." 



On decaying' wood, Buffalo and Greenbush, N. Y. 



H. ceramica, E, & E. (in Herb.) 



Stroma convex 1-2 mm. diam. round, pale brick-red, (white inside), 

 wrinkled when dry and finally dusted with the greenish sporidia as 

 in the preceding species. The first appearance is a speck of white 

 tomentum which soon shows the brick-red color in the center and re- 

 mains for some time around the base of the stromata and more or less 

 effused on the matrix. Asci cylindrical, p. sp. 55-60x4 //. Sporidia 

 two-celled, the upper cell subquadrate-globose, about 4 // diam.. the 

 lower mostly ovate 44| x 3-3 \IL, brownish. 



On bark of decaying limbs of Juniperus, Connecticut (Thaxter). 



//. rufa has the stroma of the same color but has hyaline sporidia. 

 H. yelat'utosa has about the same sporidia but the color of the stro- 

 ma is different as it also is in H. Morospora (black or at least 

 dark.) ff. scutellceforniis has the stroma of a deeper red and smooth. 

 with a thin, free margin. 



C. Stroma effused, sporidia hyaline. 



H. citrhia, (Pers.) 



SphcErm citrina, Pers. Syn. p. 18. 

 Hypocrea citrina, Fr. Summ. Veg. Sc. p. 185. 

 Exsicc, Rab. F. E. 629. Rehm Asc. 677. 



Stroma effused, thin, carnose, lemon -yellow, punctate from the 

 rather prominent ostiola, forming a thin crust overspreading decaying 

 wood and bark, or sometimes decaying leaves and mosses for several 

 inches or even a foot in extent. Perithecia entirely sunk in the stroma, 

 crowded, spherical, yellowish. Asci cylindrical, yellowish, 80-90x5- 

 6 (i. "Sporidia 8 in an ascus. two-celled, the cells soon separating, the 

 upper one spherical 4^ /j. diam., the lower one ovate, about 5 x4^ p. 



Common throughout the U. S. and Canada. 



H. tremellicola, E. & E. (in Herb.) 



Perithecia ovate, minute, 100-115 p diam., sunk in the thin, cin- 

 ereous-white, byssoid-crustaceous stroma which forms a continuous lay- 

 er on the matrix, the margin at first byssoid and loose but soon smooth 



