226 



PLANT LIFE. 



The other mode of development produces enclosed spo- 

 rangia. One or more internal cells differentiate and become 

 the mother cells of the spores. The spores, when mature, 



Fir.. 227, — X fructiticatii>n (.if thii morel {Morchdhi fxi uL' uta^. Tlie bvmenium occu- 

 pies the surface of tiie depressed areas. Natural size. — .\fter Kerner. 



Fig. 228. — A small bit of a section through tlie fructification of tlie ergot iCia--!.\/'s 

 //Kr/i/7-^<i), showing one of the deep, narrow-mouthed pits. /' (and p.^rt of anothen. 

 enclosing the asci. From the broken ascus at the riglit thread-like spores are escap- 

 ing. Highly magnified. — After Tulasne. 



will therefore be enclosed b\' the adjacent cells of the plant, 

 which may became altered so as to firm a sort of special wall 

 more or less different from the tissue which lies farther off. 



