10 THE MARINE ALGAE OF ESSEX.
E. crouani, Thur., in Le Jol., "Liste," p. 75. Between Har-
wich and Dovercourt, E. M. Holmes.
E. confervoides, Le Jol., "Alg. Mar. Cherb.," p. 75. Walton
Creek, June, 1883, G.Hope; between Harwich and Dovercourt,
E. M. Holmes ; Clacton, E. A. B.
E. confervoides, Le Jol, B, subulatus, Hauck., "Meeres-alg.,"
p. 331. Harwich, E. M. Holmes.
E. siliculosus, Lyngb., "Hydr. Dan.," p. 131. Harwich, G.
P. Hope ; Felixstowe, E. A. B.
E. granulosus, Ag., "Spec. Alg.," ii., p. 45. Harwich and
Dovercourt, 9/3/1884, G. P. Hope.
E. tomentosus, Lyngb., "Hydr. Dan.," p. 132, tab. 44A.
Harwich and Walton Creek, G. P. Hope.
PYLAIELLA, Bory.
Pylaiella litoralis, Kjellm., "Ectoc," p. 99 =Ectocarpus
litoralis, "Phyc. Brit." Walton, 1845, E. Varenne; Fort Pier,
Harwich, G. P. Hope; between Harwich and Dovercourt, E. M.
Holmes; Clacton and Felixstowe, E. A. B.
Elachistaceae, Rke.
ELACHISTA, Duby.
Elachista fucicola, Aresch., "Alg. Pugill.," p. 235. Maldon,
1867, Varenne; Clacton, Jan., 1893, E. A. B.
Sphacelariaceae, J. Ag.
SPHACELARIA, Lyngb.
Sphacelaria plumigera, Holmes, "Grevillea," vol. xi., p. 145.
Felixstowe, Harwich, Dovercourt, and elsewhere on the Essex coast,
G. P. Hope.
STYPOCAULON, Kutz.
Stypocaulon scoparium, Kutz, "Phyc. Gen.," p. 293.
Walton, 1845, E. Varenne.
CLADOSTEPHUS, Ag.
Cladostephus verticillatus, Ag., "Syn. Alg. Scan.," p. xxvi.
Walton, 1845, Varenne ; Felixstowe, Hope.
C. spongiosus, Ag.. "Syst. Alg.," p. 168. Felixstowe, G. P.
Hope ; Harwich, E. M. Holmes.