﻿PLATE XXK. 



Callophyllis japonica Okam. 



GIGARTINACE/E. 



Nom. JaDi ！ Hosoba~no-tosakamodoki. 



Callophyllis japonica Okam. in J. B. cle Toni u. Okam. Neue Meeres- 

 algen aus japan, p. 77， Taf. XVI, fig. 13-17 (Ber. d. deut. bot. Geselsch., 

 Jahrg. 1 894) ； De Toni Phyc. Jap. Nov., (1895), p. 25， no. 41 ； Id. Syll. 

 Alg. Vol. IV, p. 285 ； Okam. Alg. Jap. Exsic. no. 11. • 



Fronds csespitose, rising from a circular disc, stipitate, with 

 a short compressed stem which soon passes into cuneate base of 

 flat, linear,, clichotomo-flabellate frond, 5-17 cm. high. Segments 

 irregularly dichotomous, with upper ones sometimes somewhat 

 alternate, erectopatent, linear or linear-cuneate, 2-5 cm. broad, 

 s.liprhtly wideninp- towards forked portions, rounded at axils. 

 Margin furnished with interrupted laciniae which are simple or com- 

 pound ； simple ones subulate and teeth-like ； compound ones lobed 

 15 and lacinulatecl. In some specimens, almost all margin is lacinulat- 



ed leaving no gulf entire, as it is illustrated in fip". 2. Cys to carps 

 are immersed in the substance of laciniae, prominent above either 

 surface of frond and crowned with three to live or more blunt 

 horns in which orifices are formed from within outward. They 

 are produced single or three to four or more aggregated. 1 etra- 

 sporangia are scattered over the whole surface of frond, oblong, 

 cruciate, disposed among cortical cells. Colour beautiful rosy-red. 

 Substance thin and membranaceous and often becomes rather 

 cartilaginous when old. Plant does not adhere to paper in drying. 



Hab、 On rocks and other substances between tide marks 



