THE MARINE ALG^F. OF ESSEX. 1 9 



Greville, '' Alg. Brit," p. 105. " On the lower part of stems of 

 Spartina stricta, Wivenhoe, 1873," E. (i, Varenne. Cast ashore at 

 Felixstowe, G. P. Hope; Estuary of the Blackwater, 1888, E. M. 

 Holmes. 



RHODOMELA. 



Rhodomela subfusca, Ag., "Spec. Alg.," i., p. 378. Dover- 

 court, Harwich, and Felixstowe, G. P. Hope ; Clacton, E. A. B. 



LAURENCIA, Lamour. 



Laurencia caespitosa, Lamour, "Ess.," p. 43 = /. hybrida, 

 Lenor. Felixstowe and Landguard Pier, Harwich, G. P. Hope ; 

 Blackwater Estuary, E. M. Holmes. 



CHONDRIA, Harv. 



Chondria dasyphylla, Ag., "Spec. Alg.," p. 350. Black- 

 water Estuary, E. M. Holmes ; Harwich, G. P. Hope ; Felixstowe, 

 E. A. B. 



POLYSIPHONIA, Grev. 



Polysiphonia urceolata, Grev., " Fl. Edin.," p. 309. 

 Harwich Pier, G. P. Hope; Felixstowe, G. Massee. 



P. elongata, Harv., in Hook., " Brit. Fl.," ii., p. -i^n. Black- 

 water Estuary, E. M. Holmes. 



P. atro-rubescens, Grev., " Fl. Edin.," p. 308. "Essex 

 Coast," E. G. Varenne. 



P. nigrescens, Grev., Harv. in Hook., "Brit. Fl.," ii., p. 332. 

 Felixstowe, Harwich, River Deben, Fort Breakwater, G. P. Hope. 



P. afHnis, Moore, in " Ord. Surv., Londonderry," Appendix, 

 p. II., sec. Harvey. River Deben, (i. P. Hope. 



BRONGNLA.RTELLA (Bory.), Schmitz. 



Brongniartella byssoides, Bory. = Po/ysip/ionia dyssoiJes, 

 " Phyc. Brit.," pi. 2S4. Walton, 1845, ^^^- ^'- ^'-'^renne ; Felixstowe, 

 G. P. Hope. 



DASYA, Ag. 



Dasya coccinea, Ag., "Spec. Algar.," ii., p. 119. Felixstowe 

 and Harwich, G. P. Hope ; Clacton, E. A. B. . 



