305 
Localities. NS: ZQ, jyske Rev, 24,5 met, SO +"; aF, 31m. 4 O +; Klitmøller (Hornemann); 
XR, off Orhage and within Orhage, on stony bottom with Mytilus edulis, sterile (fixed to the pebbles 
or loose ?). — Sk: YT and YU at Hanstholm, 2—13 m, 4 © —+; eY, 18 miles E.N.E.*/,E. of Hanstholm 
light-house, 15 miles N. of Bragerne 16 m; YN’, S.E. of Bragerne, 10,5 m 4 © +; Bulbjerg (J. P. Jacobsen); 
SZ and SY, N. of Løkken, 13 m +; washed ashore at Løkken, $ © +; ZK off Lønstrup, several places, 
1—19 m, SO, or only +; XO and VJ and several other places near Hirshals, 1—15 m, gO +, or 
only +; Tannisbugt, washed ashore (V. Schmidt); Højen, between first and second shoal. — Lf: LZ, 
Nissum Bredning; Oddesund, 6,5 met.; MH, Thisted Bredning; I, Veno Bugt; in all places sterile. — 
Kn: Harbour of Skagen; Krageskov Rev; Hirsholmene, 4 © +; Frederikshavn, harbour and several 
places in the neighbourhood, e. g. Deget; YP and UD, 30 +; VT, +, ZP, UC, TL, +, near Nordre 
Ronner; Vesterø Havn; GM, near Engelskmands Banke, +; Tonneberg Banke, 15,5 m, +; FE, Trin- 
delen, 10 m, +. — Ke: FD, E. of Læsø; VY and ZE?, Fladen 15—18 m; XA, S.E. of Kobbergrund; E. 
end of Anholt; 14/; miles S.S.E. of Anholt Knob lightsh. 10 m (C. A. J.); HZ, Store Middelgrund; GI, 
Ostindiefarer Grund; off Gilleleje, +; Nakkehoved (Lyngbye), +.— Km: 6 miles S.S.W.1/; W. of Læsø 
Rende light-ship, 8 m; 51/2 miles N. to E. ?/, E. of Østre Flak light-ship, 9 m (C. A. J); BO, Stensnæs; BN, 
W. of Asaa; YY, ZC! and ZD Kobbergrund; XD, S. of Læsø; XB, S. of Kobbergrund; VN,S.E. of mouth 
of Randers Fjord; Gjerrild (Lyngbye); BJ, Gjerrild Flak; BH, off Gjerrild Klint. — Ks: EP, Pakhusbugt 
Anholt; OP, EM and EJ, Lysegrund; HP, S. of Lysegrund; Hesselo (Lyngbye); OS', Hastens Grund; 
FP, Jessens Grund, 4m, +; GG and GF, Sjællands Rev; D, N. of Grønne Revle, 11,5 m, +; EH, W. of 
Lynæs. — Sa: Begtrup Rev, +; FT, N. of Samsø; FX, off Dyngby Hage; MP, Falske Bolsax; MQ, S. of 
Paludans Flak; AJ’, N. of Æbelø, +; AH’, N. of Fyns Hoved; Hofmansgave (Lyngbye, Hofm. Bang., C. 
Rosenberg). — Lb: AX, Bjornsknude; Linderum; DB, Lillegrund (Reinke, !); CD, Helnæs Hoved Flak; 
DA, off Bojgden; CC, Hornenæs, +; LG, off Vidso, Æro; DX, Vodrups Flak. Does not occur in the 
middlemost part of the Belt between AX and Linderum. — Sf: UV, N of Ærø. — Sb: AG, W of Romsø; 
AF, Mollegrund off Kerteminde; harbour and bay of Kerteminde; NU, off the Strandskov by Bogense, 
11,5 m; reef at Korsor; Lohals, harbour, +; UU, Snede Rev. — Sm: CQ, N.N.E. of Kogrund: Q off 
Vesterskovs Flak. — Su: BQ, oft Ellekilde, 5,5 m; Hellebæk; near Helsingør (Liebman), $ © +; Kronborg 
(Lyngbye). — Bw: cF, south of Kegnæs, Als, 8,5 m; dK, Pols Rev; DU, off Dimes Odde; LC, off Gulstav, 
11,5 m; KZ, of Kramnisse. 
Trailliella Batters. 
1. Trailliella intricata Batters. 
E. A. L. Barrers, Some new Brit. mar. Algæ. Journ. of Bot. Vol. 34, 1896, p. 10; id. in Journ. of Botany, 
Vol. 38, 1900, Tab. 414, fig. 14. H. Kyrın, Uber Spermothamnion roseolum (Ag.) Pringsh. und 
Trailliella intricata Batters. Botan. Notiser, Lund, 1916, p. 87. KoLperup ROSENVINGE, Om nogle 
i nyere Tid indvandrede Havalger. Bot. Tids. 37, 1920, p. 127. Kylin, Bot. Notiser 1922 p. 346. 
Spermothamnion Turneri f. intricata Holmes et Batters, Annals of Botany, Vol. 5, 1890, p. 96. 
Spermothamnion roseolum Kylin, 1915, p. 4. 
non Callithamnion intricata Ag. Syst. Alg. 1824, p. 132, id. 1828, p. 182, Kützing, Tab. phyc. Vol. 11 pl. 62. 
It is remarkable that this species which now occurs abundantly in several 
places has not been observed, as it seems, before 1890 and has been described for 
the first time in 1896. In mode of growth, it somewhat resembles Spermothamnion 
Turneri, but differs by smaller dimensions, by the want of opposite branches, by the 
presence of gland cells and by the structure of the hapters. 
There is no essential difference between the horizontal and the vertical fila- 
ments. The cells contain a single nucleus, which is easily pointed out by fixing and 
1 S designates antheridia, © cystocarps, + tetrasporangia. 
