J()g 1,. Koi.Di HI !■ HosiAviNdic. 



occur. The spi'cimeu li^urccl had 4— (5 i)cricL'ntral cells; the luinibcr 

 was greatest in \\\v main axes. 



Loc. Aioii"' llu' lùist sidt' of Ivoldcwcv Island, ca. 15 meters; olV C.apc 

 liisniarek Peninsula. 



Fani. uclcsscridceœ. 

 Delesseria Lamour. 

 U. D. sinuosa (Good, et Woodw.) Lamour. 



K. Hosenvinge (1893) p. 8(»8. (1898 I) p. 27; .Jonsson (19Ü4) p. 11. 



The collection contains a considera})le number of well-developed 

 specimens of this species. They attain a length of 25—30 cm. or 

 even more and are also broad, and they belong to the f. iypica. 

 Some of them bear at the base a considerable number of narrow 

 shoots which had attached themselves on gravel or fragments of 

 shells. One specimen was attached to a barnacle. A number of 

 the specimens seem however to have been loose-lying on the bottom. 

 wSpecimens collected in July and August showed ripe letrasporangia, 

 in small marginal leaflets, or cystocarps. 



I.oc. Along the East side of Koldewey Island, 19—23 meters; alonj> Cape 

 Bismarck Peninsula; otf Cape Bismarck; Danmarks Havn; olf Baadskæret; the 

 baj' ofT Vesterdalen. 



Farn. Rhodymeniaceœ. 

 Halosacciou Kütz. 

 lô. H. ramentaceum (L.) J. Ag. 



K. Hosenvinge (1893) p. 823, (1898 I) p. 43; Jonsson il904) p. 12. 



Only 3 specimens have been met with in the collection. They 

 have a single set of unbranched branches, are provided with hyaline 

 hairs but are sterile. 



Loc. The bay off Vestei-dalen, in at most 4 meters depth. 



Fain. Rhodophyllidacece. 

 Eutliora J. Ag. 

 16. E. cristata (L.) J. Ag. 



K. Rosenvinge (1893) p. 813, (1898 I) p. 28; Jonsson (1904) p. 13. 



A number of specimens, all epiphytic, mostly on Chœtomorpha 

 Melagonium and Delesseria simwsa, further on Phyllophora Brodiœi 

 *interrupta and Turnerella Penmji, are contained in the collection. 

 They all belong to f. angustata. The largest specimens are 5 cm. 

 long. Ripe tetrasporangia and cystocarps occurred in specimens 

 collected in August and September. 



Loc. At Koldewey Island; Danmarks Havn. 



