970 



XIV. 



o 



Chcelophora tleganx. 

 Zooepore with four haira 



(Edogonivm veticatum. 



Zoospores furnished with 



a crown of hairs. (Thuret.) 



Ctitrlojihora elegant. 



Brnnulu-s producing a zooppor 



n each joint 



(Edogonivm r Hi til urn. 

 Two cells or sporangia, in 

 each of which is formed a 



zoospore (mag. 200). 

 (Pringsheim.) 



s>, two sporangia, on which 

 are fixed the antheridia, <! ; 

 a, antheridium, of which the 



lid is removed ; it, terminal 

 bristle. 



Oklogonium rericatum. 



Filament of which each 



joint presents annnlar 



striae near the septa 



before the exit of the 



spore. (Thurct.) 



T..J 



(Edognnium. 

 Joint opening U> pive 

 pnssoKe to a zoospovc. 



Cladophora glomerata. 



a, end of young filament ; 6, older, before 



the exit of the zoospores ; c, the same 



empty j d, zoospores. (Thuret.) 



Fucut reiiculosui. 



fr, frond ; T, fructiferous tubercle ; 

 V, ac'ria vesicle. 



