237 

 L. vermisporum, (Ell.) (Plate 25) 



Lophiostoma vermisporum, EH- Bull. Torr. Bot. Club, IX, p. 19. 

 Lophionema vermisporum, Sacc. Syll. II, p. 717. 

 Exsicc. EH. N. A. F. 885. 



Perithecia scattered or subgregarious, depressed -spherical, 150- 

 !00 fi diam., seated under the epidermis which is pierced by the stout, 

 black, narrowly compressed ostiola. Asci clavate-cylindrical, 150- 

 200 x 12-15 fi. Sporidia vermiform, gradually tapering towards the 

 base, about 7-septate and slightly constricted at the septa, yellowish 

 or nearly hyaline, each of the cells with 1-2 large nuclei, 75-88 x 

 3-5 /i. 



On old stems of Oenothera biennis, Newfield, N. J. 



L. crenatum, (Schw.) 



Sphceria crenata, Pers. var. cristata, Schw. Syn. Car. 136. 

 Lophiostoma (Lophionema) crenatum, Cke. Syn. 3591. 



Perithecia scattered or gregarious, immersed in the wood or bark, 

 finally more or less emergent, subsphaeroid, black, minute. Ostiolum 

 compressed, very broad, subcrenate. 



North Carolina (Schw.) 



Cooke (1. c.) places this in his subgenus Lophionema. We have 

 no knowledge of it otherwise. 



Species to be rejected. 



L. roseotinctum, E. & E. Journ. Mycol. I, p. 149. 



This is only the diagnosis of Leptosphmria roseotinctum, E. & E., 

 repeated by mistake from the preceding page. 



L. minimum, E. & E. Journ. Mycol. IY, p. 75. 



The specimens are so poor and meager that we abandon this 

 species. 



L. pallidum, E. & E. Bull. Torr. Bot. Club, X, p. 52. 



See Melanomma pallidum. 



FAMILY. CUCURBITARIEJ]. 



Stroma imperfectly developed or none. Perithecia cespitose, 

 cnmipent-superficial, seated on the stroma, when that is present, some- 

 times superficial from the first. Substance of the perithecia hard, 

 woody or leathery, black or dark brown. Asci elongated, paraphysate, 

 Sporidia various, mostly brown. 



