. Fig. 109.—Armillaria incllea. 2, section of fungus, a, pileus ; b, gills ; c, ring ; </, black, cordlike strands of myceiiiini; 3, basidium, a, accompanied by paraphyses ; 4, portion of tree root with branching strands of niycehuni surrounding it; rt, a cluster of young fungi springing from the mycelium ; 5, section from outside to centre of rhizomoiph or biack strand of my- celium. Figs. 3 and 5 mag. Strands, which become blackish in colour and form a com- j)licated network. Such anastomosing black, cordlike strands, are very frequently seen on removing the loose bark from a dead trunk,


. Fig. 109.—Armillaria incllea. 2, section of fungus, a, pileus ; b, gills ; c, ring ; </, black, cordlike strands of myceiiiini; 3, basidium, a, accompanied by paraphyses ; 4, portion of tree root with branching strands of niycehuni surrounding it; rt, a cluster of young fungi springing from the mycelium ; 5, section from outside to centre of rhizomoiph or biack strand of my- celium. Figs. 3 and 5 mag. Strands, which become blackish in colour and form a com- j)licated network. Such anastomosing black, cordlike strands, are very frequently seen on removing the loose bark from a dead trunk, and clearly indicate the cause of death. The dark-


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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910