156 TIMBER AND SOME OF ITS DISEASES, [chap. 



series of dark shining strings, looking almost like the 

 purple-black leaf-stalks of the maidenhair fern, and 



Fig. 15.— a small group of Agaricus (Arfmllarz'a) melhus. The toad-stool is 

 taw ny-ycllow, and produces white spores ; the gills are decurrent, and the stem 

 bears a ring. The fine hair-like appendages on the pileus should be bolder, 



these strings branch and meander in the wood of the 

 tree, and in the soil, and may attain even great 



