354 



THE AMERICAN MONTHLY 



[Dec 



brown. In very old growths not a trace of green appears. 



The mycelium is a mass of fine, fleecy filaments, very 



much branched, and containing numerous septa. Wehmer 



states that the branching and septa were not easily seen, 



Fig. 4. Same as figure three, X 495. 



except with high magnification, but I had no difficulty in 

 seeing both features with low powers (Figs. 2, 3). These 

 were taken from gelatine-plates cultures. The magnifi- 

 cation is 75 diameters. In young growths the filaments 



■"■■ ■■ ~-'- : ' : ■■■■ 



Fig. 5. Filaments from Wort gelatine plate culture, x 95. 



are filled with a finely granular protoplasm, which be- 

 comes much vacuolated as growth proceeds. The fila- 

 ments vary much in diameter even in the same culture. 



