Algae. 87 



many oiher authors who did not write on algae from Japan but 

 have no less important connection with the study of Japanese algae, 

 namely Turner, C. and A. Agardh, Postelo and Ruprecht, 

 R. K. Greville, Zanardini, J. E. Areschoug, F. Hauck, G. 

 Murray and L. Boodle, E Askenasy, E. S. Barton, H. Hey- 

 drich, Fr. Schmitz, G. B. de Toni, C. Gramer, H. Solms- 

 Laubach, Th. Reinbold, A. Saunders, Weber van Bosse, 

 M. Foslie, W. A. Setchell, A. D. Cotton, N. Svedelius etc.; 

 in all 48 authors and 174 articles are enumerated. Okamura. 



Okamura, K., Icones of Japanese Algae. III. 1. p. 1 — 24. PL 



101-105. (May, 1913.) 



This number contains: Plocamium nbtiorme Hook, et Harv., 

 PL reciirvatiun Okam. n. sp., Spyridia filamentosa (Wulf.) Harv., PI. 

 oviforme Okam., PL leptophylluni Kuetz. var. ßexuosum J. Ag., Dic- 

 tyota patens J. Ag., Caiilerpa Freycinetii var. typica f. lata Weber 

 van Bosse, var. de Boryana f. occidentalis Weber van Bosse and 

 Acetabidaria polyphysoides Crouan. The latter Acetahularia is the 

 correction of A. niUiiitissima Okam. n. sp. illustrated in the Vol. II, 

 nO. 10, p. 188, pl. C, fig. 7—11. Okamura. 



Okamura, K., Icones ofjapanese Algae. III. 2. p. 25 — 38. PL 



lOö— 110. (July, 1913.) 



The present number contains the illustrations of the following 

 six species: Gelidium Amajisn Lamour., Dictyota linealis (Ag.)Grev., 

 D. divaricata Lamour., D. marginata Okam., n. sp., Caiilerpa sertii- 

 larioides (Gmel.) Howe L longipes J. Ag. and C. taxifolia (Vahl) Ag. 

 L typica Sved. Okamura. 



Okamura, K., Icones ofjapanese Algae. III. 3. p. 39—54. PI. 

 111 — 115. (September, 1913.) 



The following three species and root of Chordavia abietina Rupr. 

 are illustrated in this number: Dictyota dichotorna (Huds.) Lamour.,* 

 Cystoseira articulata J. Ag., and Pterocladia capillacea (Gmel.) Born. 

 Thur. Three plates illustrate man}^ different forms of fronds of Dic- 

 tyota dichotorna. Root of Chordaria abietina Rupr. is illustrated as 

 the correction of that illustrated in Vol. II, n". 7, p. 122, pl. 85. 



Okamura. 



Okamura, K., Icones ofjapanese Algae. III. 4. p. 55 — 77. PI. 

 116—120. (December, 1913.) 



Five plates of the present number illustrate following eight 

 species viz. Grateloupia divaricata Okam., Gr. rarnosissima Okam. 

 n. sp., Gr. Cornea Okam. n. sp., Caulerpa racemosa var. clavifera 

 f. macrophysa Weber van Bosse, var. late-virens Weber van Bosse, 

 C. Webbiana f. tomeritella Weber van Bosse, Codiiun contractum 

 Kjellm. and C. intricatum Okam. n. sp. Of them Gr. ramosissiina 

 and Cornea are interesting. C. intricatum has some afiinities with 

 C. repens Crouan on account of the creeping and rooting habit. 



Okamura. 



