402 



COMPARATIVE MORPHOLOGY OF FUNGI 



is still unknown. Apparently, several dicaryons are present in the cells 

 in question. 



Fig. 267/ — Corticium varians and Peniophora Sambuci. Development of clamps. (1, 2, 

 5 to 8 X 500; 3 X 670; 4 X 1,000; after Kniep, 1915.) 



With the first of the nuclei which are formed in the uninucleate hypha 

 is bound the first conjugate division and with it the first clamp formation 

 and true branching, in which the clamp cell develops laterally to a normal 



