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RESEARCHES ON FUNGI 



applanatus or Ganoderma colossus is strictly comparable with the 

 basidiospore of many chromosporous Agaricineae, e.g. Coprinus 



FIG. 44. Forties applanatus. A, upper surface of a large fruit-body three years 

 old (same fruit-body as that shown in Fig. 48) : w, wood of a Sycamore tree 

 (Acer pseudoplatanus) ; c, centre of origin of fruit-body ; the numbers 1, 2, 

 and 3 show the limits of growth in the first, second, and third years respectively. 

 B, a fruit-body resting on a block of Spruce wood, two years old, seen from 

 below, showing the white under surface of the hymenial tube-layer. The 

 pores are so minute that they cannot be distinguished. C, a vertical section 

 through a piece of pileus-flesh and six successive annual tube-layers, the last 

 in an early stage of development. Collected in Bavaria and photographed 

 at the Forst-botanisches Institut, Munich, by Robert Hartig and the author. 

 natural size. 



stercorarius and C. sterquilinus. 1 As I see no reason for regarding 



the spores of Coprini, Panaeoli, etc., as involving chlamydospore 



1 Of. Chap. II, p. 52. 



