EXPLANATIONS AND REFERENCES, 



PLATE CXXVII. 



Figures magnified 166 diameters. 



PAGE. 

 Fig. 1-4. VADCHERIA PILUS, relative sizes of filaments and macrospores, 153 



" 5-8. VAUCHERIA AVERSA, with oogonia and antheridia, . 150 

 " 9-11. VAUCHERIA SESSILIS, three type-forms with oogonia and an- 

 theridia, .... 151 

 Figs. 12, 13, VAUCHERIA SERICEA, section of filament abundantly fruiting, 150 



