Fig. 2. Structure of Fungi. 



a. Fruiting branch of Penicillium, showing 

 conidiophores and conidia, b. mycelium 

 of Penicillium, c. an individual conidiophore 

 and chain of conidia of Penicillium, d. two 

 conidia of Penicillium, showing attachment 

 of spores in the chain, e. fertilization of 

 female oogonium by male antheridium, /. 

 mature oospore, g. fruiting stalks of Rhizo- 

 pus, h. individual fruiting head of_ Rhizo- 

 pus showing spores, i. sexual fertilization 

 and k. zygospore of Rhizopus showing spores, 

 I. perithecium, showing asci and ascospores, 

 or winter spores, m. Pycnidium or sac in 

 which the summer spores are borne. 



