384 



RESEARCHES ON FUNGI 



The persistent ftseudorhizal strands of fruit-body clusters 

 attached to the roots of a number of trees other than the Beech 

 above described were also examined. Some of them were several 

 inches long, narrowly cylindrical in shape, and scarcely or not at 

 all swollen at their tops (Fig. 190, to the left ; also Fig. 191) ; and, 

 when thus constructed, they usually bore only one, two, or at most 



Fif!. 1!)2. — Colh/hiii fusipes. A black, massivo, spongy, compound pseudorhiza 

 broken into five pieces. It doubtless took several yoais to form. A new 

 crop of fruit-bodies is springing from its to|i. Found almost at the surface 

 of the ground above a buttress-root of a Beech in Queen's Cottage (j rounds, 

 Kew. Natural size. 



very few fruit-bodies. These particular strands resembled thin 

 rotten roots in their form, blackness, and consistence to such a 

 degree that they might easily have been taken for them. Indeed, 

 I myself was deceived by the first one I found, but soon discovered 

 my error. 



The Supposed Sclerotium. — Certain other pseudorhizal strands, 

 instead of being obconic or cylindrical, were massive and irregularly 

 rounded ; and they were usually seated upon buttress-roots just 

 below the surface of the ground. One of them, which was seated 



