G. TELESTO. 105 



Their colour varies from violet to fawn, orange, 

 and golden yellow, and presents the most beautiful 

 tints, which fade by desiccation. 



They rarely exceed a decimetre in height, and are 

 generally much smaller. 



They are found in the Australasian seas, and the 

 tropical regions of the Atlantic. 



YELLOW. 



1. Telesto lutea. ' Branches loose and straggling, 

 not much striated; colour, a brilliant gold. 



Australasia. 



ORANGE. 



2. Telesto aurantiaca. Slightly branching; orange 

 colour, with a tinge of violet at the base of some of 

 the branches; height from two to four centimetres. 

 —Plate 7. tig. 6. 



Australasia. 



MARINE. 



3. TELESTO^e/agzca. Stems very branching, cylin- 

 drical, and slightly striated ; colour green. 



Atlantic Ocean. 



LIAGORA. 



Poly PI DO MS branching and plant-like, fistular, 

 having the appearance of lichen, with a thin creta- 

 ceous incrustation. 



Cor, o 



