68 



Mycologia 



cologists, both in Europe and America (See Mycologia 7: 116. 

 191 5). The spores are distinctive, being apiculate and plainly 

 tuberculose. D. echiniceps, with which it has been confused by 

 some, has smooth spores and larger, more persistent squamules. 

 Types of Hypholoma rugocephalum and H. Boughtoni have been 

 carefully compared and prove to be only forms of Bulliard's orig- 

 inal plant, which ranges through Europe as far northward as 

 Sweden and through the northern United States westward to 

 Minnesota. This species, which certainly is very distinct, was 

 used as the type of three different genera proposed between 1886 

 and 1889 by Patouillard, Schroeter, and Fayod. 



7. Drosophila delineata (Peck) comb. nov. 



Hypholoma deiineatum Peck, Bull. N. Y. State Mus. 150: 83. 

 1911. 



Pileus fleshy, thin, convex to subumbonate, or nearly plane, often 

 slightly depressed in the center, 2.5-5 cm - broad; surface moist, 

 glabrous, rugose or radiately wrinkled, commonly marked toward 

 and on the margin even when dry with irregular radiating lines or 

 ridges, occasionally wavy or irregular on the margin and not 

 striate, brown, tawny-brown, or reddish-brown, often darker on 

 the disk; context whitish; lamellae thin, crowded, adnate, flesh- 

 colored to brown, becoming blackish-brown with age or when 

 bruised; spores smooth, ellipsoid, not apiculate, 8-10 x 4-6 fx\ 

 cystidia scarce, flask-shaped or broadly fusiform, 40-60 x 16-20 fx; 

 stipe equal, glabrous or subfibrillose, hollow, pallid or colored like 

 the pileus, 3-7 cm. long, 3-8 mm. thick. 



Type locality : Port Jefferson, Suffolk County, New York. 

 Habitat : On the ground or on decayed wood. 

 Distribution : Massachusetts, New York, West Virginia, Indi- 

 ana, and Missouri. 



Illustration : Trans. Wise. Acad. Sci. 18 : pi. 21, f. D. 



8. Drosophila Peckiana (Kauffm.) comb. nov. 



Hypholoma Peckianum Kauffm. Agar. Mich. 1 : 258. 1918. 



Pileus 1-2 cm. broad, convex, obtuse, subexpanded, margin bor- 

 dered by white, silky fibrils from the remains of the veil, even; 

 surface viscid, glabrous, bay-brown, blackish on the disk, paler on 



