SLIME FUNGI (MYXOMYCETES) 



251 



substratum. Small, often rounded sporangia, containing 

 numerous spores, are formed, especially in the autumn, and are 

 sometimes very conspicuous owing to their brilliant colouration 

 {e.g. the yellow-coloured Flowers of Tan, common on tanner's 



Fig. 134. — Various Basidiomycetes. A, Cantharellus. B, Clavaria cinerea. 

 C, Lycoperdon. D, Scleroderma vulgare (on the left entire fructifica- 

 tion, on the right the latter in vertical section, showing the wall and 

 the dark mass of contained spores). E, Surface-view of small part 

 of hymenium of Boletus. F, Hydniim repandum. G, Usiilago longis- 

 sima (on leaf of Glyceria aqiiatica). 



bark). The group also includes some parasites, one of the most 

 noteworthy [Plasmodiopliora hrassicce) being that responsible for 

 the disease known as " Finger and Toe " in Cabbages, etc. 

 (Fig. 135)- 



