16 
K. MI Y ABE 
it is named “Bon-me”. Mature plants harvested in summer are 
used for food, the broader ones of them being packed in the style 
of “Hanaori-kombu.' n ” The plants produced at the villages of 
Fukushima, Miyauta, and Yoshioka, all in Matsumae district, are 
known to be of superior quality. As compared with L. japonica 
and L. ochotensis, the present species is so poor in both sugar and 
salt contents, that it stands far behind those species in the quality 
needed for giving flavor to food. 
Addenda. The present species finds its most closely resembling 
allies in L. japonica and L. ochotensis. Their adjacency in distri- 
bution range as well as their resemblance in histological characters 
seems apparently to suggest their specific identity. But the author 
recognizes the plant in question as a new species, because its 
characteristic shape of the blade, verticillate hapteres, and spo- 
rangial sori formed always on both surfaces of the blade are con- 
sidered to be sufficient to make the plant deserving specific rank. 
7. Laminaria cichorioides Miyabe, sp. nov. 
(Plates 7 & 8) 
Japanese name. Chijimi-kombu. 
Arame-kombu (Wakkanai), Tororo-kombu (Shiribeshi, Teshio, 
Kitami Provinces), Koise (Aino name at Abashiri), Gaggara-kombu 
or Chijimi-kombu (Nemuro Harbor). 
Holdfast composed of delicate filamentous hapteres branching 
6-9 times, arising in whorls from the basal part of the stipe, the 
uppermost whorl being sometimes composed of as many as fifteen 
hapteres. Stipe solid, smooth on surface, cylindrical or rarely 
complanato-cylindrical below, compressed above, 3. 5-6.5 cm in length, 
6. 5-8.5 mm in diameter near the base. Blade, while young, lance- 
olate, tapering toward each end, thin, markedly crispate on the 
margins, with a row of bullations along both sides of the median 
fascia ; becoming with the advance of growth more or less thicker 
at the lower or newly-formed portion which is destitute of cris- 
pations on the margin and of bullations along the median fascia, 
and is round or even cordate at the base ; on maturity becoming 
sometimes again finely crispate on the margins; usually 1-2 m in 
length, 10-20 cm in breadth. Sporangial sori formed on both sur- 
17) Cf. MlYAEE, 1902, pi. 33, figs. 11-12, pi. 35, fig. 4. 
