February, 19U7J 



Mycological Bulletin No. 74 



299 



GROUP 5. 



TYLOSTOMA SIMULANS.— Peridium pale, castaneous color, with 

 mouth unicolorus. Cortex thin, separating imperfectly. Stem slender, pale, 

 slightly striate and sometimes slightly scaly. Capillitium rarely septate 

 with thickened nodes. Spores 5 mic, asperate. 



This is the nearest approach we have m America to Tylostoma mam- 

 mosum of Europe, and it is a rare plant. On comparison it differs in 

 it.s unicolorous and more deeply colored peridium, more adnata cortex 

 and paler stipe. 



V\i 



225. — Ty-los'-to-ma sim'-u-lans. (C. G. Lloyd). 



TYLOSTOMA RUFUM.— Peridium deeply colored, reddish brown, 

 with a circular, tubular, strongly protruding mouth. Cortex thin, adher- 

 ing, but separating perfectly from old specimens, leaving the peridium per- 

 fectly smooth. Stem deeply colored, covered with short scales, internally 



l-'ip. 220. Ty-LOS' TO-MA RV'-FUM. (C. G. Llovd). 



