242 ROMANCE OF LOW LIFE AMONGST PLANTS. 



and are at first produced in a mother-cell, cut off by 

 a septum from the apex of the conidia-bearer. It is 

 unnecessary to detail minutely the process of forma- 

 tion and development of the conidia, which would 



Fig. 45. — Conidia-bearers of Fly- 

 moulds. 



Fig. 46. — Secondary Conidia of Fly- 

 moulds. 



not affect the conclusions to which our remarks are 

 directed.^ 



When the mature conidium is discharged it may 

 come in contact at once with a suitable host, germi- 

 nate, and by means of the germinating thread pene- 

 trate and infect a new host ; or, if it falls upon an 

 unsuitable substance, then the germination results in 

 the production of a secondary conidium as a provision 

 for further dissemination (Fig. 46). This secondary 



> See also "Vegetable Wasps and Plant Worms," by M. C. Cooke, 

 pp. 8-12. (1892.) 



