30 ART. 3,— K. YEN DO: 



The form o is ;i comparatively large plant. Its ramiferoiis axial 

 articuli are s ubcom pressed and clavate ; and those of pinnae much 

 more flattened and eda'ed : pinnules are mostly delicate and cvlind- 

 rical. Xo conceptacle yet f(3und. Tiiis form is somewhat uncertain 

 of its position, as it wants the propagating organ. Yet, the general 

 appearance shows to have a close relation to the present species. 



a, common along the whole coast of Japan : ß. Hakodate ; 

 Otaru ; Matsushima : y, Hakodate : J, Hakfxlate ; Prov. of Wakasu 

 (Mr. H. Tsuge). 



10, Corallina pilulifera, Post, et Rupr. 



PL in. fig. 14-1(5 : PI. Yll. fig. 14-16. 



Corallina pilulifera, Post, et Rupr. Illustr. Alg. p. '20. t. 

 XL. fi"-. 101. 

 Ruprecht : Tange d. Och. Meer. j). 844. 

 Kiitz : Tab. Phyc. Taf. G4. fig. 1. 

 Aresch : in J. Ag. Spec. Alg. II. p. 563. 

 f. Sororia, Rupr. PL III. fig. 15 : pi. \'H. tig. 15. 



Corallina pilulifera, Post, et Rupr. f. Sororia, Rupr. 

 Tange d. Och. Meer. p. 844. 

 f. filifonnis, Rupr. PL III. tig. 14 : pi. \'II. tig 14. 



Corallina pilulifera. Post, et Rupr. f. tiliformis, Rupr. 

 Tange, d. Och. Meer. p. 844. 

 ? Kiitz : Tab. Phyc. YIIT. Taf. ST. tig. I[. 

 f. intermedia, f. nov. PL III. tig. 16 : PL \U. tig. 16. 



Articulis ramorum truncatis vel deltoideo-obcordatis angulis non 

 projectis, j)innarum brevissimis, subcylindraceis vel clavatis, ultimis 

 obovatis compressis. 



