312 



HALF-HOURS IN THE GREEN LANES. 



bo examine it under the microscope. The little sacks 

 (asci) then come out with remarkable distinctness. 

 This structure is peculiar to many of the micro- 

 Fig. 262. 



Sphnria herbarum. a. Perithecinm ; 6. Section of ditto, magnified 

 slightly ; c. Ascns, with uniseriate Spores ; d. Ascus, with biseriate 

 Spores and Paraphyses, X 320. 



scopic fungi, which a little patience will enable you 

 to find on the leaves of plants more frequently than 

 you had imagined. If you are short of objects for 

 the microscope you cannot do better than turn into 



