54 LTLAC MTLDP.W. 



to which may yet be attached some fully formed 

 spores. 



3. Draw some conidiophores and conidia. 



C. THE PERITHECIA. Prepare a slide as before with 

 mature fruit, and notice 



1. The shape and color. 



2. The reticulations of the surface due to the cellular 

 structure. 



3. The appendages extending out from the sides. Note 



a. The number. 



b. The color. 



c. The length compared with the diameter of the 

 perithecium. 



d. The cross partitions, if any. 



e. The manner of branching, and the number of times 

 in each. 



4. Draw a perithecium with its appendages. 



Crush the perithecia while watching them through the 

 instrument, by pressing on the cover-glass with a dis- 

 secting needle, and notice 



5. The escape of sacs containing spores, asci. Note 



a. The number from each perithecium. 



b. The general shape. 



c. The short pedicel or beak by which they were 

 attached. 



d. The thin part of the wall at the apex, not to be 

 seen in every case. 



e. The number of spores (ascospores) in each ; their 

 shape. 



/. Draw an ascus with its spores. 



