THE MARINE AEG/E OF ESSEX. 7 



On posts near high-water mark. Clacton, Jan., 1893, E. A. B. 

 Not uncommon. 



E. erecta, J. Ag., '' Alg. Syst.," iii., p. 152. Wivenhoe, E. (i. 

 Varenne. 



E. clathrata, Ag., "Icon. Alg. eur.,'' No. xvii. Wivenhoe and 

 Maldon, E. G. Varenne ; Walton Ferry, (i. P. Hope : Clacton, 

 E. A. B. 



E. canaliculata, Batt., " List Mar. Alg. Ber.," p. 31. On posts. 

 Clacton, Jan., 1893, E. A. B. 



E. percursa, Harv., " Phyc. Brit.," pi. ccclii. Maldon, ^Viven- 

 hoe, and Mistley, E. G. Varenne ; Clacton, E. A. B. 



E. compressa, L., "Spec. Plant.," ii., p. 1,163. Walton, E. 

 G. Varenne ; estuary of the Orwell and Stour, E. M. Holmes ; 

 Walton Creek, G. P. Hope ; Clacton, E. A. B. 



E. intestinalis, L., "Spec. Plant.,' ii., p. 1,163. Blackwater 

 River and Maldon, E. G. ^\arenne and E. M. Holmes ; estuary of 

 the Orwell and Stour, E. M. Holmes ; Harwich and Felixstowe, 

 G. P. Hope. 



E. linza, J. Ag., "Till. Alg. Syst.," p. 134. Harwich, G. P. Hope. 



E. tubulosa, Kutz, "Tab. Phyc," vi., p. 11. Estuary of the 

 Orwell and Stour, E. M. Holmes. V/de Essex Naturalist, vol. iv., 

 p. 171. 



E. minima, Nag., in Kutz, " Spec. Alg.," p. 482. On posts 

 near high-water mark. Clacton, Jan., 1893, E. A. B. 



ULVA, L. 

 Ulva lactuca, L., "Spec. Plant.," ii., p. 1,163=6'. latissima, 

 Harv., " Phyc. Brit." Maldon and Harwich, E. G. Varenne ; 

 estuary of the Blackwater, E. M. Holmes ; Clacton, E. A. B. ; Felix- 

 stowe, Walton Ferry, and Harwich, G. P. Hope. 



Chsetophoraceae, Wittr. 

 EPICLADIA, Rke. 

 Epicladia flustrse, Rke., " Algenfl. der Westl. Ostsee," p. 86. 

 Felixstowe, June, 1885, and Clacton, Jan., 1893, E. A. B. 



Confervaceae, Lagerh. 

 UROSPORA, Aresch. 

 Urospora penicilliformis, Aresch., " Obs. Phyc.,' ii., p. 4. 

 Clacton, Jan., 1893, E. A. B. 



