400 Algae. 



present five plates: Botryocarpa japonica Okam. n. sp., Delesseria 

 fimbriata De la Pylaie, D. Middendorfii Rupr., and Chordaria abietina 

 Rupr. Of D. Middendorfii Rupr., carpogonial branches and cj^stocarps 

 are illustrated. Okamura. 



Okamura, K., Icones ofjapanese Algae. IL 8. p. 127 — 141. 



pl. 86-90. (June, 1912.) 



These plates are colour-printed. The following four plants are 

 illustrated: Callymenia cribrosa Harv., Dasyphila Tagoi Okam. n. sp., 

 Cladosiphon decipiens (Suring.) Okam. and Chordaria ßagelliformis 

 (Muell ) Ag. Of Callymenia cribrosa Harv., two plates are given and 

 development of the cystocarp is fully illustrated. Okamura. 



Okamura, K., Icones ofjapanese Algae. II. 9. p. 14 2 — 16 5. 



pl. 9 1 — 95. (Sept., 1912.) 



The following five species are enumerated in this number: 

 Odonthalia corymbifera (Gmel.) J. Ag., Leveillea Jungermannioides 

 (Mart. et Hering.) Harv., Symphyocladia marchantioides (Harv.) 

 Fkbg., Gloiopeltis cervicornis (Sur.) Schm., and Chaetomorpha spiralis 

 Okam. Of G. cervicornis development of C3^stocarps is studied. 



Okamura. 



Okamura, K., Icones ofjapanese Algae. II. 10. p. 167 — 18 6. 



pl. 96-100. (Nov., 1912.) 



With this number the volume II is complete and the general 

 index and the contents of the present volume are annexed. Gelidium 

 rigidinn (Vahl) Grev. illustrated in pl. 59 is corrected as Gelidiopsis 

 rigidum (Vahl) Weber-van Bosse in this number. The following 

 eight species are illustrated: Symphyocladia linearis (Okam.) Falkenb., 

 5. gracilis (Mart.) Falkenb., Pterosiphonia fibrillosa Okam. n. sp., 

 Acetabularia caraibica Kuetz., Chondria intricata Okam. n. sp., Ulva 

 reticidata Forsk., Acetabularia miniitissima Okam. n. sp. and A. 

 Calycidus Quay et Gaimard. Pterosiphonia fibrillosa Okam. n. sp. 

 is noted among the plants of this genus for its having fibrillae i. e. 

 "Haarblätter." Okamura. 



Okamura, K., Some Littoral Diatoms of Japan. (Rep. Imp. 

 Fisheries Inst. VII. 4. p. 1 — 18. pl. 8-13. 1911.) 



The author illustrates, the following 57 already known species of 

 litteral diatoms and a few oceanic forms: Stephanopyxis Palmeriana 

 Grün. var. Japonica Grün., S. Campana Castr., Thalia ssissira gra- 

 vida Cleve?, T. Nordenskioldii C\., Sceletojiema costatum (Grev.) Cleve , 

 Arachnoidiscus .ornatns Ehrenb., Planktoniella Sol (Wallich) Schutt, 

 Asterolampra Marylandica Ehr., Asteromphalns heptactis (Breb.) Rolfs, 

 A fiabellatus (Breb.) Grev., A. Cle%)eanus Grün., Gossleriella tropica 

 Schutt., Aiiliscus caelatns Bail., Corethron criophilnm Castr., Giiinur- 

 dia fiaccida (Castr.) Perag., Rhisosolenia Stolterfothii H. Perag., R. 

 cylindrus Cleve, R. robiista Norman, R. ampiitata Ostf., R. Clevei 

 Östf., R. Shrnbsolei Cleve, R. retigera Brightw., R. styliformis Brightw., 

 R. styliformis Btw. var. latissima Btw., R. calcar avis Schultze, R. 

 Cochlea Brun, R. hebetata Bail. f. semi spi}ia[)rievi's>Qn)Qx\xn., R. alata 

 Btw., Bacteriastrum hyalinum Lander, B. varians Lander, B. varians 

 Lander var. hispide, Chaetoceras sociale Lander, C. Lorensianum 



