92 



THE LOWER FUNGI— PHYCOMYCETES 



2. Obelidium Nowakowski (1876: 86). 



Erected on the single species, 0. mucronatum Nowak., occurring 

 in Europe on larvae and nymphs lying in the water (Fig. 22). 





FiG. 21. — Rhizophidium globosum (A. Braun) Schrotcr. A. Young plant 

 developed from encysted swarmspore, the penetration tube forming rhizoids. 

 B. Mature plant. C. Plant funetifjning as a swarmsporangium and freeing 

 ewarmspores. {After Atkiiison 1909.) 



Via. 22. — Obdidiitm mucronatum Nowakowski. SporMiitriiiiu with a solid 

 apical spine; swarinspcjres escajjing through a suhapical lateral pore. {After 

 Nowakowski 1876.) 



3. Podochytrium Pfitzer (Sitzungsber. Nicder-rhein. Ges. Natur. 



und Heilkunde. pp. 62, Bonn. 1870). 



Erected on the single species, P. davatum Pfitzer, occurring 



in Pinnularia. The same thing was described and well figured by 



Zopf (1888) under the name, Septocarpus corynephoriis (Fig. 23). 



