CRYPTOGAMS 



195 



layer Qiymenium) lies. Figure 325 shows part of the cross 

 section of a gill. The spores (s) are borne, usually in fours, 



on enlarged hy- 

 pha tips called 

 b a s i d i a (B) . 

 This character 

 namely, bear- 

 ing spores on 

 basidia has 

 given the group 

 (Basidiomycetes) 

 its name. 



460. Other types 

 of fructification. 

 The Basidiomyce- 

 tes furnish the col- 324 - 

 lector a great vari- 

 ety of curious and 

 interesting forms. A little search 

 in almost any woods will bring 

 some of them to light. The hy me- 

 nial layer is variously disposed. 

 In some incrusting forms men- 

 tioned above (Corlicium) it is sim- 

 ple (not folded) ; in Clavaria (Fig. 

 326) it covers the coral-like branches ; in Hydnum (Fig. 327) the hy- 



A part of 

 the myce- 

 lium. 



323. Fructification of a toadstool 



(Amanita phalloides) : p, 

 pileus, or cap ; I, lamellae, or 

 gills. 



325. Section of a gill, highly magnified : B, basidia; S, spores. 



