KF.l'OKT OF Tin-: SI'ATl:: l!( JlAX IST KjlO 83 



Hypholoma rugocephalum Atk. 



RUGUSE nVPIlOLO.MA 

 Musliroonis, ICdihle and Poisonous, 2d cd., p. 30, pi. 8, lig.29 



Pileiis fleshy in the center, convex becoming" expanded, broadly 

 umbonate, glabrous, irregularl}- wrinkled or rugose, tawny, the thin 

 margin often curved upward, flesh tinged with yellow ; la- 

 mellae thin, slightly sinuate, adnate. easily seceding from the 

 stem, spotted, purplish black when mature ; stem even, irregular, 

 fleshy, hollow, glal)rous, subbulbous, colored like the pileus, paler 

 above the slight filamentous often six)re-blackened remnants of 

 the annnlus ; spores oval or broadl)- ellipsoid, inequilateral, pointed 

 at each end, echinulate or minutely tubcrculate, 8—1 1 >i long, 

 C)-8 /^- broad, black; cystidia c}iindric, slightly enlarged at the top, 

 hyaline, clustered. 



I'ileus 6-10 cm broad; stem 7-10 cm long, d-io mm thick. 



Single or ccsjiitose. Damp places in woods. July and August. 

 Tompkins and Suffolk (.-ounlies. 



This is related to the ])rcccding s])ecies from which it may be 

 sei)arated by its wholly glabrous tawny pileus and its rugoscly 

 wrinkled continuous cuticle. lloth arc allied to llypholoma 

 velutinum (I'ers.) I'r., but may be distinguished from it by 

 the absence of the hygroiihanous character and by their broader 

 spores. 



Hypholoma delineatum n. sp. 



DELINEATED, HYPIl()L(Wff.\ 



rilcus fleshy, thin, convex or nearly plane, often slightl\- de- 

 pressed in the center, glabrous, rugose or radiately wrinkled, com- 

 monly marked toward and on the margin even when dry with 

 irregular radiaj:ing Jines or ridges, occasionally wavy or irregular 

 on the margin, brown, tawny-brown or reddish-brawn, often darker 

 in the center^, flesh whitish; lamellae t,hin,,cl?ser adnate, brown 

 becoming blackish .-brown ; stem equal, glabrous, hollow, pallid or 

 colored like the pileus; spores ^en, ellipsoid, not apTcuIate, 8-10 />• 

 long, 4-6 ,". broad ; cystidia scarce, _40-6o //. long, 16-20 ,"■ broad. 



Pileus 2.5-5 cm, broad; stem 3-^ cm long, 3-6 mm. thick. 



(Jregarious. Ciround and decayed wood. Port Jefiferson, Suf- 

 folk CO. August. T\are. 



This species is likely to be easily mistaken for the i)receding 

 one, H y p h o 1 o m a r u g o c e p h a I u m Atk., which it re- 



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