

193 



Desmarestia aculeata (L.) Lamour. 



Nom. Jap. : Toge-urvshigusa. 

 PL. CXCIX, Fig. 5-9. 



Desmarestia aculeata (L.) Lam. Essai p. 25 ; Harv. Phyc. 

 Brit., t. 49 ; Kg. Sp. p. 571 ; Kg. Tab. Phyc. IX, t. 94; De Toni 

 Syll. Alg. Ill, p. 459. Fuciis aculcatus Turn. Fuel t. 187. 



Root a small scutate disc. Frond high, linear, filiform, with 

 subcylindrical stem, compressed, coriaceous, percursed with im- 

 mersed midrib, densely decompound-pinnate in a distichous alter- 

 nate manner, with ultimate pinnulae spinulose or subulate. Margin 

 of main branches often armed with small blunt dot-like protuber- 

 ances after decaying of marginal spinules. Colour dark brown. 

 Substance coriaceous and the plant does not adhere to paper in 







drying. 



Hab. : Kabafuto. 



PI. CXCIX, fig. 5-9. Fig. 5 : frond of Desmarestia aculeata 

 (L.) Lam., -y-. Fig. 6-7 : , branch ; b, part of a, magcl. -y-. Fig. 

 8 : branch with broader segments, -J-. fig. 9 : portion of older 

 branch, magd. 



Caulerpa Freycinetii C. Ag. var. pectinata Web. v. Bos. 



Nom. Jap. = Yore-dzuta. 



PL CC, Fig i. 



Caul. Freycinetii C. Ag. var. pectinata Web. v. Bos. Monog. 

 Caul, p. 316, pi. xxvi, fig. 3-6. 



Stolon generally robust, cylindrical, creeping and naked. 

 Fronds cylindrical or somewhat compressed at basal portion, soon 



