THE MARINE ALGAE OF ESSEX.
15
P. vulgaris, Ag., "Aufz." p. 18. Southend, 1844, E. G.
Varenne.
P. leucosticta, Thur., in Le Jol., "Liste des Alg. Mar. de
Cherbourg," p. 100. Near Harwich, E. M. Holmes.
BANGIA, Lyngb.
Bangia fusco purpurea, Lyngb., "Hydr. Dan.," p. 63. Har-
wich, May, 1883 : on posts, Felixstowe, June, 1893, G. Massee.
II. FLORIDEAE.
Chaetangiaceae, Schmitz.
SCINAIA, Bivona.
Scinaia furcellata, Bivona, in "l'Iride," 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.
Gelidiaceae, Schmitz.
HARVEYELLA, Schmitz and Rke.
Harveyella mirabilis, Rke., "Algenfl. der Westlichen Ostsee,"
p. 28. Parasitic on Rhodomela sufusca at Clacton, January, 1893,
E. A. B.
Gigartinaceae, Schmitz.
CHONDRUS, Stackh.
Chondrus crispus, Stackh., "Ner. Brit," p. xxiv, Southend,
1864, E. G. 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.
PHYLLOPHORA, 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.