POPULAR 



BRITISH SEA-WEEDS. 



A^vyN^>-" 



" The Sea ! the Sea ! the open Sea 1 

 The blue, the fresh, the ever free ! 

 Without a mark, without a bound. 

 It runneth the earth's wide regions round ; 

 It plays with the clouds, it mocks the skies, 

 Or like a cradled creature lies." — Barry Cornwall. 



Series I. IVZ E Li A N O S P B R M E .flQ. 



Family I. EUCE.E. 



Genus I. SAUGASSUM, JgardJt. 



Generic Character. Frond leaved. Leaves stalked, with a 

 midrib. Air-vessels simple, axillary, stalked. Eeceptacles small, 

 linear, tuberculated (mostly in axillary characters, or racemes). 

 Seeds in distinct cells. — The generic name is from Sai'gazo, the 



