178 



Proceedings of the Royal Physical Society. 



Myriotrichia filiformis, 



Sphacelaria scoparia, 

 „ cirrhosa, 



radicans, 



racemosa. 



cens, Lady's Tower, Elie 

 {M'Bain); common, and in fruit, 

 in July 1879, on Ptilota ele- 

 gans, at Lady's Tower {G. 



Parasitic on Asperococcus echi- 

 natiLS, in clear shallow pools, 

 near liigli water, W.S.W. of 

 M'Duff's Chapel, Earlsferry, 

 common in July 1879 {G. W. 

 T.); in shallow pools at the 

 west side of the Lady's Tower, 

 near high water, on Asperococ- 

 cus echinatus, but not common 

 {G-. W. T.) ; occasionally at 

 Joppa on Chorda lomentaria 

 {G. W. T.) ; first time recorded. 



Firth of Forth (Greville) ; not 

 frequent. 



Not uncommon in the Firth of 

 Forth (Greville)', Elie {M'Bain); 

 Kincraig pools, Earlsferry, 

 especially in a creek near 

 M'Duff's Cave, parasitic on 

 ChmtopterisplnmosaiG. W. T.). 



Black Eocks, Leith (Arnott and 

 Greville) ; at Caroline Park 

 Eocks and at Joppa, in some 

 abundance, at both places on 

 muddy sandstone, at low tides 

 (G. W. T). 



Found by Sir J. Richardson in 

 fruit in February 1821, on 

 rocks opposite Caroline Park, 

 but this species, though re- 

 peatedly searched for, has 

 eluded the vigilance of subse- 

 quent collectors of the Firth 

 of Forth Algse. 



