Bui. 36, Bureau of Plant Industiy, U. S. Dept. of Agriculture. 



Plate VII. 



Mycelium and Fruiting Bodies of ■Blue" and "Red-rot" Fungi. 



1, Tangential section of "bine" wood; 2, cross section of "bine" wood; 3, cro.ss section of a medullary ray; 

 4, vonng perithecinm of the " blue " fungus ( CeratostomeUa piUfera); 5, mature perithecia of the " blue' 

 fungus; 6, two perithecia of the "blue" fungus; 7, two asci with spores of the "blue" fungus; 8, spores 

 of the "blue" fungus; 9, top of beak of perithecinm of Cinitostniiit'Ua pUifcra just after the discharge of 

 the spore mass; 10 and 11. median sections of .sporophores of the "red-rot" iungux Pulypdriis jxmder- 

 (i,mii, n. sp.). 



