154 KJELLMAN, THE ALGiK OF THE AECTIC SEA. 



f. ramosa nob. 



Planta annotina solitaria, thalli parte cauloidea paroe vage ramosa, axi primario ramisque prolificatioues 

 simplices, raro furcatas, distaiites usque digitales et ultra, diametro 0,5 — 2 mm., tetrasporangiis maturis dcji- 

 ciendas emittentilnis. 



Fig. Halosacoioii ramentaceuin f. ramosa tab. iiostra 13, lig. 4. 



Cl. major nob. 



Prolifioationes digitales et ultra, diametro circa 2 mm. 

 Si/n. Fiicus tubulosus Lepech. Comment. Petrop. p. 476. 



Ä'. minor nob. 



Prolifioationes pollicares, diametro O, ii — 1 mm. 



f. subsimplex Rupr. 



Alg. Och. p. 270. 

 Descr. Halosaccion soboliferum var. subsimplex Rupr. 1. c. 

 Ftg. » ramentaceura f. subsimplex tab. nostra 13, fig. 3. 



f. densa nob. 



Descr. Scytosiplion ramentaceus Lyngb. Hydr. Dan. p. 61. 

 Fig. Fucus ramentaceus Turn. Hist. Fuc. t. 149. 

 Exsicc. Halosaccion raraentaceum Aresch. Alg. Scand. exsicc. N:o 205. 

 Syn. Dumontia Lepecbini Post et Rupr. 111. Alg. p. II. 

 " ramentacea Aresch. Pliyc. Scand. p. 313. 



>- Ny], et 8*1. Herb. Penn. p. 74. 



» sobolifera Dickie, Alg. Sutherl. 2, p. 191. 



Pucus barbatus Gunn. Fl. Nerv. 2. p. 129. 

 M ramentaceus GuNN. Fl. Norv. p. 79. 

 » » Wg. Fl. Lapp. p. 504. 



Gracilnria confervoides J. G. Ag. Spetsb. Alg. Bidr. p. 11, seo. spec. 



» » [} procerrima Post. et Rupr. 111. Alg. p. II — III sec. Ruph. Alg. Och. p. 274. 



Halosaccion fistulosum Rupr. Alg. Och. p. 273. 



« raraentaceum J. G. Ag. Spetsb. Alg. Progr. p. 3; Bidr. p. 11; Grönl. Alg. p. 111. 



» » Croall, Fl. Disc. p. 460. 



» » Dickie, Alg. Cumberl. p. 239; Alg. Sutherl. 1, p. 143. 



» » GoBi, Algenfl. Weiss. Meer. p. 38. 



" » Harv. Ner. Amer. 2, p. 194. 



» n Kjellm. Vinteralgv. p. 64; Spetsb. Thall. 1, p. 17; Algenv. Meer. p. 17. 



» » Kleen, Nordl. Alg. p. 18. 



» soboliferum Rupr. Alg. Och. p. 268. 



Halymenia ramentacea Lindbl. Bot. Not. p. 157. 

 Scytosiphon ramentaceus Lvngb. Hydr. Dan. p. 61. 

 Soliera chordalis Asiui. Alg. Hayes, p. 96(?) Cfr. F.A.RL. New Engl. Alg. p. 148. 



Remark on the definition of the form. Halosaccion ramentaceum is a very multiform 

 species in the Arctic Sea. The foims I have recorded and tried to characterize above 

 are far from being the only oiies that occur, but the others maj be grouped round 

 theui. Though it may certainly seem as if the form named by me f. robusta and the 



