G. AGLAOPHENIA. 
75 
much branching ; branches opposite, and diverging ; 
colour, a bright fawn ; height from one to two deci- 
metres. 
Seas of Australasia. 
PLUMED. 
11. Aglaophenia pluma. Cells slightly gibbous 
and toothed ; ovaria denticulated at the edges with 
transverse and oblique rings, on the side of the 
stem. 
European seas. 
MARINE. 
12. Aglaophenia pelagica . Stem simple; cells 
oval, with a small opening ; ovaria oval, smooth, and 
shining on the surface ; height about a centimetre. 
On the fucus natans. 
BEAUTIFUL. 
13. Aglaophenia speciosa . Cells only on one 
side, campanulated, toothed, and with stipulas ; 
branches pinnated and curved. 
Coasts of Ceylon. 
GLUTINOUS. 
14. Aglaophenia glutinosa. Root in fibrous 
branches; stem simple, and pinnated; pinules ap- 
proximate, and alternate ; cells without visible appen- 
dage ; colour, a bright and brilliant red ; height from 
six to eight centimetres. 
Indian and Australasian seas. 
DELICATE. 
15= Aglaophenia gracilis . Stem simple, and pin 
