j|J C II [H )gt, 1-2 ID- 1 : Plocamium abnorme f. uncinatum Okam., 

 *9> *> !) ' - ' ^ fig, 1- 2 : ti ' ~ SB, f 



Plocamium recurvatum Okam. n. sp. 



Mom. Japi ! JUaki-YiiJcari. 

 PL CI1, Fig. 3-4. 



Plants only known in fragmentary states of the size of a few 

 cm. Fronds filiform and compressed, irregularly branched in an 

 alternate and patent manner, all furnished with geminate branch- 

 lets, of which the lower one simple and subulate, the upper decom. 

 pound, and the simple one strongly recurved. By these recurved 

 ramtili the plant seems to entangle to each other. Fruits unknown- 

 Colonr red. Substance thin and soft mernbranaceous. 



Hub.: Among algae at the shallow place in tide pools, at 

 Hirakata in Prov. Hitachi ; washed ashore at Kobama in Prov. 

 Kadzusa. 



PL. CII, Fig. 3-4. Fig. 3 : portion of the froond of Ploca- 

 mium recurvatum Okam. n. sp., \. Fig. 4- : portion of a branch, f. 



Plocamium recurvatum Okam. ff fit- 



ft en D IK, '& 3-4 m- 



fig * R m * ic cm. ; $ M- / i 7 tl 7 $$ 

 T Ji M, * ffl I'J = S & * # Hk 'y.^^? 

 * H %. -t r /h fe 7 ^f| v , 3t T ft^^^ 



K * _L fi ' * ^ - M - ^ Mf ^ M * f 3K % fit ' * ; ^ ft -y 

 3M ^ * to ^ ; Jft S (111 v * '" /h & ? ja r lib ffi ^ ^ a & 15 -v 



