Fig. 318. 
Ceramium cimbricum. A, young pseudodichotomy. B—D, adult cortical bands. Henn. E. Petersen del. 330 : 1. 
compositis, plerumque 2—3 cellulis altis, maximis 60 w altis, 100 w latis, aliis 1—2 
cellulis altis, c. 25 w altis, 50 w latis, cellulis inferioribus sæpe usque ad 32 w latis; 
internodiis maximis zonis 5—7-plo 
longioribus. — Color rubro-violaceus. 
— Pili, tetrasporangia et organa 
sexualia non observata (figs. 318, 319). 
Habitat in Limfjorden. 
Affine C. stricto sed differt zonis 
angustissimis et ramificatione. Apices 
juveniles sæpe curvatura characteristica 
supra nodos instructi sunt (fig. 318 A). 
(Henn. Petersen). 
This small Ceramium, which has 
only been met with in two localities 
in the Limfjord, was first referred to 
C. strictum. However, as it differs by 
the habit, the branches of the pseudo- 
dichotomies being often of unequal 
size, and by the very narrow cortical 
bands, Dr. PETERSEN has distinguished 
it later as a distinct species and given 
me the diagnosis above. C. cimbricum 
(LO | 
= 
Fig. 319. 
Ceramium cimbricum. A, end of shoot. B, branching. C, D, 
bands and internodial cells. 345 : 1. 
