206 CYSTOSPERMEiE. 



25. Vesiculifera flavescens Hass. 

 Plate LIII. Fig. 9. 



Char. Filaments about equal in size to those of V. crispa. 

 Cells four or Jive times as long as broad. Sporangia cir- 

 ^^. cular, lodged in cells of the same form. 



^'' l^^/ Hab. Penzance: Mr. Ralfs. 



This species I have only received from Mr. Palfs and Mr. 

 Jenner. 





26. Vesiculifera affinis Hass. 



Plate LIII. Fig. 1. 



Char. Filaments about equal in size to those of V. vernalis. 

 Cells j^?;e or six times as long as broad. Sporangia cir- 

 cular, lodged in cells zvhich are slightly ovate and protube- 

 rant at the sides. 



Hab. Cheshunt : A. H. H. 



Not an uncommon species, perhaps, but a variety of V. 

 vernalis. 



27. Vesiculifera hexagona Hass. 

 Plate LIII. Figs. 11, 12. 



Char. Filaments somewhat stouter than those of V. cequalis. 

 f h -f r Cells three or four times as long as broad. Sporangia cir- 



'"^ cular, contained in inflated cells of an hexagonal form. 

 ^/s'r/-. n^i^ Cheshunt: A. H. H. 



^, This is a very distinct little species, and not uncommon : 



v^^-. a variety occurs with filaments considerably finer. This may 

 ' also be distinct. 



28. Vesiculifera dubia Hass. 



Plate LIII. Fig. 14. 



Char. Filaments of the same size as those of V. hexagona, 



