m W * * b * ; jfc^H = S$H 



CII H IS - -^ ^ -< a? 7 flft -y ^ ix ^ ^ .; . 



ra # J& -F % $c /h & ' if} |$ / jsj u * r ^ $ $fl li 3 

 fi -t ? t- IP] - ii * Jt - - IB ^F 7 M -^. ffi '14 *HI M - ^ H.fc /h - 

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 -> JI ? ^ *. S * -^ ijc JK - -> r fa * jfi ^ ^ i T- J - 



CLII gjig, 1-3 jg. 1: T J,' Jf < 5, Spyridia filair.enlosa (Wulf.; Harv., 



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a V ), ^ * 



Homoeostroma latifolium (Born.) j. 



Norn. Jap, ! Haba-modoki. 

 PL. CLIII. 



Homoeostroma latifolium (Born.) J. Ag. Anal. Alg. Cont. III., p. 1 1 ; 

 Saunders Phycol. Mem. p. 159, PI. XXX. Pnnctaria latifolia Bornet Etud. 

 p. 13, P!. V. P. latifolia Grev. Hauck Meeresalg. p. 371, f. 158. 



Fronds caespitose, thin (172 // thick) and leaf-like, 10-16 cm. 

 l n .?' 3~7 cm - broad, simple, narrow or broadly lanceolate, some- 

 times tapering toward apex, mostly blunt, much undulated, some- 

 times undulato-lobed, cuneate, ovate or cordate at base with very 

 short stipe, densely scattered over surfaces with minute dark 

 brownish dots. Frond is constructed of one sort of cells, rectan- 

 gular in shape, that is the outer and inner cells are of equal size 

 and shape and they are superposed one upon another mostly in 4, 

 sometimes 5-6 layers. The lower portion of frond is thickened 

 (360 M thick) and consists of many more layers of cells. In 

 fructified portion I have seen cortical and infracortical cells original- 



