Anderson & Ickis: Massachusetts Species of Helvella 223 



Ground in woods. Bolton and Hague. August and Septem- 

 ber. Related to H. elastica, from which it is easily distinguished 

 by having the deflexed margin of the pileus attached to the stem. 

 When young and fresh the whole plant is whitish or dingy white, 

 but it us apt to become brownish with age or in drying. 



In 1879 Peck (Rpt. 31: 59) stated that he sometimes found 

 the margin of the pileus adnate to the stem in H. elastica. In 

 the present description he states that H. adhacrens differs from 

 H. elastica in that the pileus margin of the former is adnate. The 

 two statements in conjunction indicate that he had now decided 

 that those plants of H. elastica "m which the margins were at- 

 tached should be placed in a separate and new species which he 

 now describes. 



Four different collections of H. adhaerens in the Peck herba- 

 rium at Albany were examined. Apparently two species have 

 been confused there, one a tall species which looks very similar 

 to H. elastica except for the adnate pileus and a slightly darker 

 color ; the other a smaller, very dark form with densely hairy 

 stipe which has every character of H. atra. From Peck's de- 

 scription it seems likely that the first is the true H. adhaerens,. 



There is no record of the occurrence of this species in Massa- 

 chusetts and we can add nothing to Peck's description. 



9. Helvella atra Fr. Sys. Myc. 2: 19. 1823 



H. atra Oed. Fl. Dan. Fasc. 9: 7. 1770. 

 H. nigricans Pers. Obs. myc. 1: 72. 1796. 



Leptopodia atra (Konig) Boud. Hist. et. Class. Disc, p. 37. 

 1907. 



Fries' description. Fuligineo-nigra, pileo deflexo utrinque ad- 

 presso libero, subtus laevi, stipite farcto furfuraceo-villoso. 



Solitaria, minor, H. infulae analoga. Stipes 1-2 unc. longus, 

 1-2 lin. crassus, teretiusculus, laevis 1. irregulariter lacunosus, 

 nigricans, basi subolivaceo-cinerascens. Pileus iam ab initio de- 

 flexus, nec pezizoideus uti sequ., compressus, biloboemarginatus, 

 Yz unc. 1. parum ultra latus, laevis, demum leviter repandus, sub- 

 tus & exsiccatus cinerascens. 



Pileus firm, smooth, reflexed, compressed-saddle-shaped, with 

 the opposite drooping margins at first (in all our specimens) ad- 

 nate with the stipe, 1-2.5 cm - broad, smoke-gray to fuliginous 



