Sept., ms] s. XAIiri'A.-ESUMEUATIO SPECIERUM NEMALI0N1S etc. 191 



S5rui Meii, Ed. I., p. 14, Eel. II, p. 12 ; Id., Icon. Jap. Alg., I. p. 39, t. 

 IX. figs. 2-9 ; Yendo, I.e., p. 529, f. 151. 



Exsicc. : Okamuka, Algae Japaonicae Exsiccatae, No. 1. 



Nom. Jap. Kamokashira-nori. 



Hab. Misaki, Prov. Sagami (Herb. Imperial Museum, 

 Tokyo, No. 85 ; Herb. K. Yendo); Prov. B5shu (K. 

 Okamura ; F. Sugiyama, Herb. K. Yendo); Yenoshima, 

 Prov. Sagami (K. Okamura ; Herb. K. Yendo); Ham- 

 jima, Prov. Shima (Herb. S. Narita); Kushimoto, Prov. 

 Kii (K. Yendo); Gamoda, Prov. Awa (K. Yendo); Prov. 

 Tosa (K. Okamura); Nagasaki (K. Okamura). 



Nemalion japonicum Yendo et Narita mscr. N. fronde tereti, 

 parcissime subdichotomo-divisa, et insuper per totam longitudi- 

 nem ramulis obsita, ramulis aliis brevioribus tenuioribus 

 simplieibus gland ulacformibus vel capillacformibus, aliis caras- 

 sioribus longioribus subclavatis apice obtusis simplieibus vel 

 dichotomo-divisis ; substantia mollissima; colore purpureo-roseo ; 

 fructificatio (Plate fig. 1). 



Nom. Jap. Ycdauchi-umizohmen (nov. nom). 



Specimen only one. Frond about 7.5 em in length, solitary 

 on a disc-shaped root, attenuated toward the base, dilated 

 upwards, obtuse at the apex. Middle part of frond about 3.5 

 mm in diameter. Substance gelatinous, very soft, adhering firmly 

 to paper on drying. Colour purple red. Structure agreeing 

 well with characters of Nemalion. Type in Herb. K. Yendo. 



Hab. Shobuta, Prov. Rikuzen (Miss Wainwright). 



Helminthocladia J. Agardh. 



Helminthocladia Yendoana Nakita sp. nov. 53 Helminthocladia ;ms- 

 tmlis Okam. (non IIauv.), Nippon Sorui Meii, Bd. II, p. 12 (partim) ; 

 Id., Icon. Alg. Jap., Vol. IV, I'l. CLVI, fig. dexter. Nemalion attenuatum 



Hakiot non Ac..;, Alg. d. Yokoska, p. 2lN ; l)i; ToNI, Phyc, Jap. Nov., 

 p. 1!) | non alior). 



II. fronde tereti vel teretitisculo-compressa, pinnatim decom- 

 positoramosissima, ramnlia multo tenuioribus, basi constrictis 



