G. JANIA. 121 



DWARF. 



2. Jania pygma^a. Branches diverging ; articu- 

 lations unequal, flexuous, and wrinkled ; colour red- 

 dish violet ; height from two to three millemetres. 

 — Plate 9. fig. 1. 



On the Galaxaura lapidescens of the Cape of 

 Good Hope. 



DIMINUTIVE. 



3. Jania pumila. Branches awl-shaped; articu- 

 lations of the extremities two or three times as long 

 as those near the base ; whitish colour ; height from 

 five to six millemetres. — Plate 9. fig. 2. 



Within the hollow of the leaf of the Fucus turbi- 

 natus found in the lied Sea and Indian Ocean. 



ADHERENT. 



4. J AN I A adherens. Branches diverging, intertwined, 

 and brittle, of the thickness of hair, and adhering to 

 paper on desiccation ; colour greenish. 



Mediterranean. 



PEDUNCULATED. 



5. Jania pedunculata. Articulations short; ex- 

 tremities of the branches truncated ; ovaria pyriform, 

 and always on foot-stalks, never with an appendage ; 

 colour light rose ; height from one to two centime- 

 tres. — Plate 9. fig. 3. a. B. 



Australasia. 



WARTY. 



6. Jania verrucosa. Branches few and stiff; arti- 

 Cor. Q 



