8o Bristol.— On the Alga-Flora of so?ne Desiccated Soils. 
DESCRIPTION OF PLATE II. 
Illustrating Miss B. M. Bristol’s paper on the Alga-Flora of some Desiccated Soils. 
All figures x 825. 
A. Part of pseudo-parenchymatous base of thallus, with a single^ upstanding filament and 
numerous basal zoogonidangia (b.z.). 
B. Part of upstanding filament, showing tufted branching. 
c. Ditto, showing intercalary zoogonidangia (£«.). ' ^ . t <;<•?,* 1 
D-F. Tapering apical branches, showing false dichotomous branching and irregular chloro- 
plasts. 
G. Part of thallus, showing tufted branching and intercalary zoogonidangia opening by a 
lateral pore. 
H. Creeping filaments with basal zoogonidangia. 
I. Early stage in formation of zoogonidia. 
