222 



Mycologia 



spores measured 18-20X10-12/* and were in every way like 

 those of H. elastica. Exsiccati specimens of H. elastica com- 

 pared with Ridgway's color standard plates, are light-ochraceous- 

 buff, warm-buff, ochraceous-tawny or ochraceous-buff on the 

 stipe and under surface of the pileus. The upper surface varies 

 widely, ochraceous-tawny, russet, Mars-brown, Rood's-brown, 

 sepia to fuscous-black. It seems probable that the shade which 

 the specimen finally assumes might be largely influenced by its 

 condition when collected and especially by the rapidity and con- 

 ditions under which it was dried. 



A variety having the lower surface of the pileus and the stipe 

 fuscous but otherwise like H. elastica has been reported from 

 Vermont by Burt (1899) as H. elastica var. fusca Bull. (Champ. 

 Fr. pi. 242, fig. D) . Fig. D of Bulliard's plate 242, however, 

 does not show the lower surfaces of pileus and stipe to be differ- 

 ent in color from other plants figured on the same plate and we 

 are at a loss to locate the authority for the variety. We have not 

 seen specimens of it in Massachusetts. 



Massachusetts Collections: Frost included this species in his 

 list of fungi within thirty miles of Amherst College but no lo- 

 cality was mentioned. Underwood also writes that he collected 

 it in this state. Manchester, Sept. 1890 (Sturgis) in Harv. 

 Herb.; Williamstown, Sept. 1901 (Farlow) in Harv. Herb; 

 Prides Crossing, Sept. 1901 (J. F. Conant), Bost. Myc. Herb; 

 Amherst and Sunderland, Sept. and Oct. 1919 and 1920, (Ander- 

 son & Ickis) M. A. C. Herb. 2716, 2732, 2813. Probably as 

 common as any species of Helvella in New England. 



8. Helvella adhaerens Peck. N. Y. State Mus. Bui. 54: 956. 

 pi. 50, figs,. 11-15. (Rpt. of Botanist for 1901.) 1902 



Peck's original description. Pileus thin, irregular, deflexed, 

 whitish or smoky white, becoming brownish with age or in dry- 

 ing, the lower margin attached to the stem, even and whitish be- 

 neath ; stem slender, even, solid, pruniosely downy, smoky white 

 or brownish, the upper part concealed by the deflexed pileus and 

 smaller than the lower exposed part ; asci cylindric, 8-spored ; 

 spores elliptic, often uninucleate, .0007-0008 of an inch long, 

 .0005 broad; paraphyses filiform, hyaline, thickened or subclavate 

 at the top. 



