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Hab. On rocks, shells, &c， extending from low tide to the 

 depth of 1 5-18 fathoms. Cape Nomo (Pro v. Hizen, Kjellm.), 

 Chikuzen, Hiuga, Osima Harbour (Mosely), Shima, Shimoda (Prov. 

 Izu), Boshu, Kazusa. 



In form and colour after drying, the present plant much 

 resembles Apjohnia rugulosa G. Murv , ; but it differs from that 

 plant in its having septa at nodes. 



Plate XXIV. Fig. 1 : Cladophora Wrightiana Haw. in 

 nat. state and size. — Fig. 2, 3, and 4 : portions of a branch, 

 slwwing the terminal, the middle and the lower, and the mode 

 of branching, や, and Y, respectively. ― Fig. 5 ： basal portion 

 of stem, showing annulate constrictions and root-fibres, や. 



