THE MARINE BOTANIST. 165 



of tetraspores minute, abundantly distributed over 

 the fronds. The smell, when fresh, is said to be 

 extremely disag-reeable and peculiar. Grows on 

 rocks, &c. near low water-mark 5 rare. Annual. 

 July to October. First found by the late Miss 

 Hill at Plymouth. Torquay. Falmouth, Mr. 

 W. P. Cocks. Mount's Bay. Whitsand Bay. 

 Scilly Isles. Jersey. Bantry Bay. Valentia, 

 West of Ireland. Coast of Moray. 



NITOPHYLLUM BONNEMAISONL— 

 BONNEMAISON'S NITOPHYLLUM. 



Frond from two to four inches long, with a 

 short stem, either fan-shaped or palmate, divided 

 into wedge-shaped segments, marked at the base 

 with faint veins. In substance thin and delicate, 

 adhering firmly to paper. Colour a rose-red. 

 " Tubercles scattered over the frond ; spots 

 of tetraspores smaller than in iV. ptmctatum, 

 larger than in N. Hilliae, scattered over the 

 surface and segments." Grows on the stems of 



