THE MARINE ALGAE 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. G.
Varenne.
E. clathrata, Ag., "Icon. Alg. eur.," No. xvii. Wivenhoe and
Maldon, E. G. Varenne; Walton Ferry, G. 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.," pl. ccclii. Maldon, Wiven-
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. Varenne 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. Vide 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 = U. 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 flustrae, 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.