188 



Proceedings of the Eoyal Fhysical Society. 



Order Ehodymeniace^. 



EiitJwra cristata, 



Maugeria sanguinea, 



Plocamiuin coccineum, 



Rhodymenia palmata, 

 Bhodophyllis bifida, . 



Only one specimen among re- 

 jectamenta, July 1823 {Gre- 

 ville). 



Fine at Lady's Tower, Elie 

 (M'Bain) ; common at the 

 Fish Eock, Earlsferry, dry at 

 low tides, underneath shelv- 

 ing rocks {G. W. T.); Long- 

 niddry {G. TV. T) ; cast ashore 

 at Joppa. 



Common at Earlsferry, etc. ; 

 narrow variety at the Black 

 Eocks, Leith. 



Common. 



On alg^, Elie {M'Bain). 



Order Sph^rococcoide^. 



Delesseria sinuosa. 



alata, . 

 hypoglossum, 



Nitophyllum laceratum. 



„ pundatum, 



Elie ; Joppa, in one pool only, 

 annually, at half tide, under- 

 neath a boulder {G. W. T) ; 

 Black Eocks, Leith, etc. 



Common at many places on rocks 

 and algse, at low water. 



Near Caroline Park Eocks {Rich- 

 ardson) ; opposite Seafield 

 Baths, very rare {Gremlle) ; 

 occasionally parasitic on Odon- 

 thalia dentata, at Joppa {G. 

 W. T.) ; near Lady's Tower, 

 EHe {M'Bain). 



Firth of Forth {Lightfoot) ; rarely 

 in rejectamenta {Mrs Martin; 

 Greville) ; Elie, cast ashore 

 on Laminaria digitata, but 

 rare. 



Among rejectamenta. Firth of 

 Forth, very rare {Greville) \ on 



