/l/ Dox's modification of Czapek's medium. /2/ Minimal medium for shake culture. /5/Medlum for wild-type strains. 

 /U/ Variation in strains and cultural conditions require variation in composition of solution. See bibliographic 

 reference. /5/ May be substituted for constituent 8D. /6/ May be substituted for constituent i8d. /7/ Certain 

 strains of Saccharomyces cerevisiae require also nicotinamide and para-amlnobenzolc acid. /8/ Same amount of 

 asparagine may be used In place of glutamic acid. /9/ Thiamine required by most, but not all, wood-rotting basid- 

 iomycetes. Some require biotin and/or riboflavlne. 



qp 



