CORALLINE VER^ JAPONIC^. ]9 



Conceptacles one to three in each articulas ; in the middle or at the 

 tops of the lobes, or the both cases taking places at the same time. 

 At low side mark : Hakodate. 



var. modesta, nov. var. 



PI. II. fig. 9 : PL VI. fig. a. 



Fronde tenui ; articulis obcordatis vel sagittatis, longitudine inter 

 genicula distantiam loboriini sabirquante vel sesquibreviori, ultimis 

 rotundatis vel ovatis. 



The form of the articuli in this variety is nearly constant ; the 

 extraordinary prominent lobes of the sagittate articuli or the linearly 

 prolonged ones are not found in this plant. 



At low tide mark. Hakodate : Kaifu (Pro v. of Echigo). 



2. Cheilosporum yessoense, sp. nov. 



I'l. II. fig. 12-18 : PI. VI. fig. 5. 



Fronde robusta, multicipiti, basi subtereti, mox compresso- 

 <îomplanata nudiusculo-stipitata, irregulariter dichotoma vel proliféra, 

 basibus articulorum prominentibus ; articulis inferioribus scutiformibus 

 «trinque compressis, superioribus approximatis obcordatis vel obreni- 

 formibus lobis patentibus rotundis adpressis, apicalibus flabellatis ; 

 geniculis brevissimis ; conceptaculis in margine loborum superiori 

 articulorum immersis vel in mediis loborum tumescentibus. 



f. angusta. PI. II. fig. 14-15 : PI. VI. fig. 6. 

 Fronde angustiore, articulis obcordatis vel sagittatis, conceptaculis 

 in mediis loborum tumescentibus. 



