112 AET. 12. K. YEXBO. 



Prov. (!) ; Hakodate (ii. s. a.) (h. n. f.) ( ! ), Fnsliikido (n. s. a.), 

 Kudo (h.ii.f.), Esashi (h. h.f.), (h.s. a.), To}3pu (h.s. a.), Oshima 

 Prov.; Bikuni (h.h.f.), Otaru (h.h.f.), Temiya (h.s. a.), Suku- 

 zushi (h.s. A.), Takashima (h.s. a.), Shiribeslii Prov.; Chikiibetsu 

 (h.h.f.), Yangeshiri (h.h.f.), Masliike (h.h.f.), Teshio Prov.; 

 Abashiri (h.h.f.), Hhiretoko (h.h.f.), Kitami Prov.; Shibetoro 

 (h.h.f.), (h.s. a.), Etorofii Isl. ; Sbiraniika, Mutsn Prov. (!); 

 Oshima, Rikuchfi Prov. (!); ? Nagasaki (Martens). 



/. validum: Korea (Ceouan, J. xIgaedh, under S. validum)', 

 Iwami Prov. (!); Hakodate (!) (Kjellman, J. Agaedh under S. 

 validum)', Tshikari Prov. (h. s.a.); Eebun Isl., Kitami Prov. 



(ft. S.A.). 



Sarfffissmn Ifiynhei s]>. no v. 



PLnto XIV. Fig. 13-14. 



Diagnosis. Ciuile commuai breve mox fasciculate ramosa, ramis cyliiulraceis 

 filiformilnis, in inferiore parte simplicis, foliosissimis, in superiore ramu- 

 losis; foliis auguste linearihus, deoi'sum attenuatis, integerrimis, parce 

 glandulosis; vesiculis in petiolo i})sas superaute, ellipticis vel fusiform- 

 ibus-, mucronatis, glandulosis; receptaculis cylindraceis breve stipitatis, 

 bracteolis in vesiculam transforinatis, in ranuilo racemosis. 



Description of the species. In the specimens in our hands 

 the root is incomplete and we are unable to determine its exact 

 character. The primary stem seems not to exceed an inch or 

 two in length, with several principal branches starting fasci- 

 culately near its apex, as in Sargassinn Tliunbergii. The stems 

 of the principal branches are slightly angulate, measuring 1.5- 

 2.0 mm. in diameter. A young branch is invariably covered 

 densely with naii'ow lanceolate leaves, disposed approximately 

 and spirally. Wlien a frond has becon;(> old these rich leaves 

 (hop oir, and the stems eventually become very rougli with tlie 



