304 GENERAL MORPHOLOGY OF PLANTS 



Litmus paper is made from the litmus dye prepared by treating 

 orchil with soda or potash. 



455. The life history of the sac fungi which produce the fruit 

 bodies (perithecia, or ascocarps, a more general term) as a result 

 of a sexual act can be represented as follows, starting with the 

 mycelium as the plant. Plant asexual spores Plant asexual 



spores Plant- '/ ' \ascocarp ascospore Plant, 



\egg gamete / 



etc., abbreviated as follows: P asp P asp P/ >a s c 



\eg' 



sp P, etc. Where the asexual spores are not formed in the life 

 history they would be omitted from the formula. 



