EXPLANATIONS AND REFERENCES, 

 PLATE LXIX. 



PAGE. 

 Fig. 1-7. CHANTRANSIA MACROSPORA, three filaments, . . 59 



" '2-4. Carpospores fertilized, ..... 59 



" 5-7. Carpogons with trichogyne, . . . . .59 



<l 8. Natural size, ....... 59 



" 9. Section of old stem corticulated, . . . . .59 



u 10-12. Matured carpospores in early stage of development, . 59 



" 13. CHANTRANSIA HERMANNI, natural size, . . .60 



" 14. " " two filaments, ... 60 



Figs. 15, 16. " clusters of carpogons, . . 60 



Fig. 17. HILDEBRANDTIA RivuLARis, thallus peeled from river-stone, 



highly magnified, . . 62 



Fig. 18 small transverse section under 



higher magnification, showing 

 the spore receptacles, . 62 



