NATURAL HISTORY. 
1. F. Lumpsicatis. E, Bot. t.824. Turn. Hist. 
t.6and 6. Fastieiara. Frequent on the coast. 
SPONGIOCARPUS. 
The frond filiform, The Sructification naked 
spongy warts, composed of radiating filaments, 
amongst which are the sporules. 
1, S. Rotrunpus. E. Bot. t. 1738. Turn. 
Hist. Fuci, t.5. (Fucus Rotunpvus.) Ner. 
Brit. p. 89.t.14. (F. Rapiatus.) Torbay. 
SPOROCHNUS. 
The fronds filiform—the tubercles terminated by 
a tuft of jointed threads. 
I. S. Pepuncuratus. Turn. Hist. Fuci, t. 188. 
Ner. Brit. p. 110.t.16. (F. PEpUNCULATUS.) 
2. S. Acuxteatus. E. Bot. t. 2445, Turn. 
Hist. Fuci, t. 187. Frequent on the coast. 
CHORDARIA, 
The fronds filiform—the seeds immersed in jointed 
concentric filaments. 
1, C. fuacettirormis. E. Bot, t, 1222. Turn. 
Hist.t.85, (F. FLAGELLIFORMISs) Onthecoast. 
2. C. Fitum. E. Bot. t. 2487. Turn. Hist. t. 86. 
Ner, Brit. p. 49, t. 10. Common along the coast. 
