593 

 D. deiista, Ell. & Martin. Am. Nat. Oct. 1882, p. 809. 



Exsicc. EH. N. A. F. 1184. 



Pustules oblong or elliptical, 1-3 mm. diam., covered by the 

 blackened and raised epidermis, scattered irregularly or often longi- 

 tudinally-subconfluent. forming blackened strips several centimeter? 

 long and 1-2 mm. wide, uneven on the surface, and with the appear- 

 ance of elongated swellings or flat ridges roughened by the seriately- 

 erumpent, obtuse, imperfectly quadrisulcate, black ostiola. Perithecia 

 in clusters of 6-15, buried in the somewhat blackened substance of the 

 matrix but without any distinct, circumscribing line, flask-shaped, 

 brown, about J mm. diam. or rather less, necks short. Asci clavate, 







75-85 (p. sp. 60-65) x 5J-7 //, polysporous, stipe comparatively short. 

 Sporidia allantoid, yellowish, moderately curved, 5J-7 x \\ [JL, 

 On petioles of Sabal serrvlata, Florida (Martin). 



I). Liriodendri, (Schw.) 



Sphcsria Liriodendri, Schw. Syn. Car. No. 60. 



Brumpent, prominent, subconfluent, 46 mm. diam., seated on the 

 bark (which is blackened to the wood) and at first surrounded by it: 

 surface pulverulent, roughened by the indistinct ostiola, which finally 

 become more prominent, at length black inside. Perithecia 3-5, suit- 

 globose, with short necks. Sporidia allantoid, hyaline, curved, 6 x \\ p. 



On dead limbs of Liriodendron, Salem, N. C. (Schw.). 



The spec, in Herb. Schw. has the stroma smaller than stated 

 above, only 1J-2 mm. 



I). Frostii, Pk. Bot. Gaz. Ill, p. 35, 



Exsicc. EH. & Evrht. N. A. F. 2d Ser. 2529. 



Stromata wart-like, 1-2 mm. diam., seated on the inner bark which 

 is blackened and marked around each stroma with a circumscribing 

 line penetrating to the wood, erumpent, surrounded and parti} 7 covered, 

 except the apex, by the ruptured epidermis, black outside, greenish 

 within, forming a white spot on the wood beneath. Perithecia ovate- 

 globose, 10-15 in a stroma. J-J mm. diam. Asci polysporous, cylin- 

 dric-clavate. stipitate. paraphysate, p. sp. To SO x 12-15 //. Sporidia 

 yellowish, allantoid, moderately curved. 7-8 x 2 p. with a nucleus in 

 each end. 



On dead maple limbs. Vermont (Frost), Connecticut (Thaxter). 

 California (Harkness), lown ( Holway). 



The ostiola vary from obtuse-conical to subelongated, conic-cylin- 

 drical, entire, often obscure. 

 75 



