THE MARINE ALG.-E OF ESSEX. 1 5 



P. vulgaris, Ag., "Aufz." p. i8. Southend, 1844, E. G. 

 Varenne. 



P. leucosticta, Thur., in Le JoL, " Liste des Alg. Mar. de 

 Cherbourg," p. joo. Near Harwich, E. M. Holmes. 



BANGIA, Lyngh. 



Bangia fusco-purpurea, Lyngb., " Hydr. Dan.," p. 63. Har- 

 wich, May, 1883 ; on posts, FeHxstowe, June, 1893, G. Massee. 



//. FLORIDE.-F.. 



Chsetangiaceae, Schmitz. 



SCINAIA, Bivona. 



Scinaia furcellata, Bivona, in "I'lridc," Palermo, 1822. Cast 

 ashore at Felixstowe after a gale, G. P. Hope. The specimens of 

 this rare British alga in Mr. Hope's collection are in good condition, 

 and do not appear to be the least water-worn ; they are attached to 

 fragments of shells, and it is most probable that they were cast 

 ashore from deep water near the place where they were picked up. 



Gelidiacese, Schmitz. 



HARVEYELLA, Schmitz and Rke. 



Harveyella mirabilis, Rke., "Algenfl. der Wesdichen Ostsee," 

 p. 28. Parasitic on Rhodomela siifiisca at Clacton, January, 1893, 

 E. A. B. 



Gigartinaceae, Schmitz. 



CHONDRUS, Stackh. 



Chondrus crispus, Stackh., "Ner, Brit.," p. xxiv. Southend, 

 1864, E. Vi. Varenne (and W. H. Grattann, vide " Brit. Mar. Alg.," 

 p. 21). Blackwater Estuary, Harwich, Felixstowe, Dovercourt, 

 Clacton, and elsewhere on the Essex coast : Hope, Holmes, Massee. 



PHVLLOPHORA. Grev. 



Phyllophora rubens, Grev., "Alg. Brit.," p. 135. Felixstowe, 

 Jan.. 1883, G. P. Hope ; Clacton, Jan., 1893, E. A. B, 



P. membranifolia, J. Ag., " Alg. Medit.," p. 93. Harwich, 

 Felixstowe, Dovercourt (9/3 84), G. P. Hope; Clacton, E. A. B. 



