261 



dry. Mack. Asci oblong-clavate. Sporidia simple, oblong-elliptical 

 or snbfusiform, hyaline, 12-15 /i long 1 . 



On dead stem? of Mulyedium, Center. X. Y. 



The perithecia are slightly papillate and are so much depressed 

 that thev resemble a minute Peziza. 



*. 



L. Coptis, (Schw.). 



Sphcetia Coptis, Schw. Syn. N. Am. 1783. 



Sph&i-tlla Coptis. Farlow Cryp. Fl. of the White Mts. p. 247. 

 Exsicc. EH. & Evrht. N. A. F. 2d Ser. 2358. 



Perithecia scattered, covered by the epidermis, never denuded, 

 'onvex, depressed, black, rugose, umbilicate by collapsion, often Ibrm- 

 in<>' rather distinct whitish or yellowish spots on the leaves. Asci 



. v 1 



38-53 x7J-8| fJL. Sporidia inordinate, hyaline or with numerous 

 granules, navicular. sometimes curved, 15-20xl|-2J a. 



On leaves of Copti* trtfrj'm. Xew Hampshire, Massachusetts and 

 New York. 



L". Epilobii. (Wallr.) 



SphcD-iu Epilobii, Wallr. Fl. Crypt. Germ. II, p. 771. 

 Sphczrclla Epilobii, Awd. Mycol. Eur. Pyr. p. 14, fig. 59. 

 LcEstadia Epilobii, Sacc. Syll. 1645, Cke. S\ - n. 5265. 



Perithecia thickly scattered, adnate with the epidermis, lens- 

 shaped, when dry collapsing to concave, perforated above, black. 130- 

 140 // diam. Asci fasciculate, clavate. short-stijitatc. *-spnred. 45-50 

 x 10 11. Spoi'idia imperfectly biseriate. elliptic-oblong, attenuated 

 toward each end but not acute, inequilateral, one-celled, hyaline. 13- 

 17x3-4//. 



On dead stems of Epilohium angustifolium, Greenland. 



L. circumtegens, Rostr. Fungi Grr>nl. p. 547. 



Perithecia densely gregarious, lens-shaped, perforated above. 

 Asci cylindric-clavate, curved, 40-42 x 10 /JL, 8-spored. Sporidia fusoid- 

 oblong. guttulate. 12-14x 3-5 u. 



On dry stems of Draba Irirta und Erigeron uniflorus, which 

 are thickly covered their whole length, by the perithecia. Greenland 

 (Rostrup.) 



L. arctica, Rostr. 1. c. 



Perithecia minute, scattered, depressed-sphaeroid, Asci obliquely 

 oblong-ovate, 45-65x14-16 /*. Sporidia fusoid-oblong, hyaline, 

 mostly 2-nucleate. 20-25 x 5-6 ft. 



On leaves of ffeliantkus peploides, Godhavn. Greenland. 



