56 



THE BOTANICAL MAGAZINE. 



[Vol. XXX. No. 350. 



On visiting St. Petersburg and Upsala I paid special atten- 

 tions to these questions and carefully studied the originals of 

 the species and varieties under the subject. As the result 

 I am now in no hesitation to mention the two varieties, 

 unalaskensis and ochotensis, as well-marked distinct species, 

 amalgamating G. paciUca Kjellman. with the former. 



Fig. 2. (Jigarlina'unalaskensU Run;. A well-grown cystocarpic sjwoimen from Otaru Bay. Nat. size. 



A well-grown typical form of the present species has the 

 frond multicipital from a small discoidal root. The frond is 

 complanated, narrowly cuneatc at the base, once or twice 

 dichotomousl^' divided with quickly expanding segments and 

 wide roundish sini, assuming fan-shaped or rcniform general 

 outline; segn:ient mav measure 13— 17 mm. in breadth, and 

 the total height of frond 6-8 cm. On the margins as well as 

 on the surface of segments there start numerous papillose 

 processes, in each of which one or two cj'stocarps are found 

 immersed. In some specimens, the processes get much longer, 

 complanated and diehotomously ramified. Those from the 

 upper margins of frond have especially the tendency, giving 



