.\//C7{OSC( )/'/(■ (II Ml V I I RS 



Fig. 4. Gill trania — interwoven type, as found in //. prati nsis. 



Fig. 5. Gill trama — parallel type, hyphal cells long and broad, as found in //. ami- 

 cus; lactifer represented in the tenter. See also Fig. 6, 



