MYCETOZOA 93 



diameter of a foot and more, and a thickness (»!' two inelies. 

 Cliondrioderma cliff asum, often utilised as a convenient " laboratory 

 type," is common on the decaying haulms of l)eans in tlie late 

 autumn. The interest of tliis group is entirely hiologicnl, save 

 for the " flowers of tan."' ^ 



' The group was nmnograplieil l\v Scliriiter in Engler ami Piaiitl's I'dnnun- 

 fainilkn, I. Teil, Al)t. 1, 1S97. See also A. Lister's Monograpli of the I\rycetozoa, 

 1894 ; Massee, JMonog. of the Myxogastres, 1893 ; Sir Edward and Agnes Fry, The 

 Jfycdozoa, 1899 ; and Massee MacBride, The North American Slime Moulds, 1899. 



