387 
Forma fasciculata H. Ptrsn. 1911 pp. 114, 116, pl. IV fig. 23. Habit of €. fruti- 
culosum f. penicillata. 
Localities. Ns: Thyborøn, groin. — Kn: Østerby harbour, Læsø. 
Forma modificata H. Ptrsn. 
Localities. Sk: Hirshals. — Lf: Common. — Kn: Common along the east coast of Jutland 
from Skagen to Sæby; Læsø Trindel. — Km: Asaa. 
Forma subtypica H. Ptrsn. 
New localities. Sk: Off Hojen. — Ke: Gilleleje. Km. Ks. Sa. Lb: Bogense, har- 
bour. — Sf. Sb: Lundeborg, harbour. — Sm: Nykøbing F. — Su: SB, Flinterenden, 8,5 m. 
Forma furcata H. Ptrsn. n. f., a vigorous f. irregularis with long straight ends 
of branches. The plant represented 1908 pl. 7 fig. 3 approaches to this form. (Henn. 
Petersen). 
Localities. Sk: Off Hirshals, 14 m. — Lf: Nykobing Mors. — Kn: Hirsholm, E. side of Tyskerens 
Rev (18 cm long). 
Forma irregularis H. Ptrsn. 
Localities. Lf: MD, off Doverodde. — Kn S. of Hirsholm. — Ke: Off Gilleleje. — Ks: RL, 
Isefjord. — Sa: Kyholm, Korshavn, Hofmansgave. — Lb: Off Stenderup; CC, Hornenæs. — Sf: Birkholm. 
— Sb: MN, N. of Asnæs; Lerchenborg (O. Smith), Kerteminde. — Sm: Guldborgsund; Petersværft. — Su: 
Hellebæk (Joh. Lange); RH, Knollen; SB, Flinterenden. — Bw: S. side of Als; cE, S. of Als, 13 m; UP, 
off Kramnisse Gab; Gedser. — Bm: Hesnæs; QZ, off Moens light-house; Stevns; QF, S. of Saltholm; RG. 
Forma irregularis subcorticata H. Ptrsn. 
Localities. Km: Boels Rev off Randers Fjord. — Su: BQ, off Ellekilde; PS, off Charlottenlund. 
— Bm: QG, off Bredegrund; QP, Kalkgrund; QR, Gyldenloves Flak; RB, within Hollænder Grund. — 
Bb: SQ, S. of Broens Rev, 9 m. 
Forma baltica H. Ptrsn. 
Localities. Bw: UL, Ojet, 20 m. — Bm: QY, Bjelkes Flak; RC, within Danneskiold; QG, off 
Bredgrund. — Bb: Rønne; SH, Rønne Banke; SK, Hojbratterne, 11m; YG, Arnager Rev; SQ, S. of 
Broens Rev, 9 m; off Allinge, off Gudhjem; Christianso; That. 
Forma radians H. Ptrsn. 
New localities. Lf. — Sa: Hofmansgave. — Lb: E. side of Aarosund. — Sf. — Bw: bv, 
N.E. of Kobbel Skov. 
Forma divaricata H. Ptrsn. 
New localities. Lb: Near Fæno Kalv; Augustenborg Fjord.' 
‘19. C. rescissum Kylin. The above (p. 386) named specimen collected by Mr. A. OTTERSTROM at 
Frederikshavn, earlier referred by me to C. fruliculosum f. dichotoma (1911 Tab. I fig. 1) must probably 
be referred to C. rescissum Kylin (1907, p. 182). This species is in my opinion nearly allied to C. seplen- 
trionale H. Ptrsn., but the latter differs from it by another habit, caused in particular by the straight 
or little branched apices. HENNING PETERSEN 
(Note added during printing). 
