94 



Caulerpa anceps Harvey 



Nom. Jap^ ! Hera-iwazuta. 

 PL. CXXV, Fig. 1-8. 



Caulerpa anceps Harv. List of Friendly fsl. Alg. No. 6j; 

 }. Ag. Till Alg. Syst. I. p. 9 ; Weber v. Bos. Monogr. des Caul, 

 p. 281, pi. 22, f. 6-10.; Okam. Contr. to the Knowi. of the Mar. 

 Alg. of Jap. III. (Dot. Mag. Tokyo Vol. XIII, No. 145) p. 41, 

 PI I, f. 15-17; Yendo On Caul, anceps (Dot. Mag. Tokyo Vol. 

 XVII,) p. 153 (with figs.) C. brachypns Harv. Char, of new Alg. 

 fr. Jap. (Proc. Am. Ac. Vol. IV) p. 332; J. Ag. Till Alg. Syst. I. 

 p. ii ; Weber v. Bos. Caul. d. Monogr. p. 280, pi. 22, f. 2. 



Surculits thick, cylindrical, smooth, naked, repenting and branch- 

 ing. Fronds solitary or geminate, flat, broadly linear, strap-shaped, 

 elliptical, ligulate, cuneate, spathulate, etc, obtuse or subtruncate at 

 apex, more or less tapering or roundish at base and furnished 

 with orange-shaped or club-shaped pedicels which are sometimes 

 almost wanting, quite entire or unevenly serrated at margin, simple 

 or irregularly branching and on surfaces and margins furnished 

 with proliferated fronds, whose bases are also often bullated. 

 Frond varies from 2 to 7 cm. in length and from 5 to 8 mm. in 

 breadth and the thickness from 0.2 to 0.4 mm. according to sea- 

 sons (after Yendo). The cell wall at the spinous region is much 

 thicker than sinus. Colour beautiful herbaceous green. Substance 

 rather stiff when fresh, soon becoming soft, membranaceous ; plant 

 imperfectly adheres to paper in drying. 



Hab. : On rocks near low water-mark. Provs. Hizen and 



