328 Algae. — Eumycetes. 



species: Dudresnaya japonica sp. nov. , Halicoryne Wrightii Harv., 

 Bovnetella capitata, (Harv.) J. Ag. , Udotea conglutinata (Soland.) 

 Lamour., and U. javensis (Mont.) Gepp. 



Dudresuaya japonica sp. nov. which has a close affinity with 

 D. crassa Howe has been fully studied for its development of c} r sto- 

 carp. It has the following diagnosis: 



Fronds very lubricous, almost cylindrical through the whole 

 length or the lower portions often decidedly compressed, gradually 

 or abruptly tapering below into a short stem, irregularly dichoto- 

 mous, here and there with tri-polychotomous segments, 15—30 cm. 

 high, 3 — 5 mm. broad in thicker part. Branches vermiform Standing 

 at some distances, rising from roundish or acute axils, gradually 

 tapering above into slender and roundish apices. Antheridia trans- 

 formed from the cells of articulations of the peripheral filaments. 

 Cystocarps globular, slightly reniform, being placed near the base 

 of peripheral filaments. Dioecious. Tetraspores unknown. Colour 

 red. Okamura. 



Okamura, K., Icones of Japanese Algae. (Vol. I. 10. p. 233— 

 251. PI. XL VI— L, with Index covering the Icones and the author's 

 "Illustrations of the Marine Algae of Japan". March 1909.) 

 The last number, with which Vol. I of the present "Icones" 

 completes, contains the illustrations of the following six algae: 



Gelidium subcostatum Okam., Ptilota pectinata (Gunn.) Kjellm., 

 and f. litoralis Kjellm., P. asplenioides (Turn.) Ag., P. californica 

 Rupr. , Calosiphonia vermicularis (J. Ag.) Schm., and Ceramium Boy- 

 denii Gepp. 



Of Calosiphonia vermicularis the author fully illustrates the 

 development of cystocarp. To Ceramium Boydenii Gepp. which has 

 been known from Wei-hai-Wei one füll plate is given with 18 

 figures. Okamura. 



Yendo, K., Notes on Algae new tojapan. j(Bot. Mag. Tokyo, 

 XXIII. 270. p. 117—133. 1909.) 



The following species, all known from other countries are now 

 reported as indigenous to Japan. 



Chlorophyceae: Monostroma ? groejilandicum J. Ag. , M. 

 fuscum f. splendens Rosenv. , M. arabicum Wittr. , M. Grevillei Wittr. , 

 Enteromorpha Lima var. crispata J. Ag., Ulothrix ßacca Thur., Ha- 

 limedatincrassatavar.ovataj. Ag., Phaeophyceae: Dictyota naevosa 

 J. Ag., Pylaiella litoralis var. opposita f. rupincola Kjellm. , Homolostroma 

 plantagineum J. Ag., Pnnctaria rubescens J. Ag., Coilodesme bullige ra 

 Stroempf., C. Cystoseirae Setch. et Gard., Phyllitis fascia Kütz., 

 Halothrix lumbricalis Reinke, Ralfsia deusta J. Ag. , Cymathere 

 triplicata J. Ag., Laminaria dentigera Kjellm., L. bullata f. subsim- 

 plex Setch. et Gard., L. bullata f. amplissima Setch. et Gard., L. 

 longipes Bory. 



Rhodophyceae: Porphyra miniata f. amplissima Rosenv., P. 

 laciniata Ag. , Caulacanthus rigidulus Kütz. ?, Gelidium linoides Kütz.?, 

 Halosaccion saccatum Kütz. nee. Kjellm., H. firmum Rupr., Rhodo- 

 mela lycopodioides Ag. f. tenuissima Kjellm., Dilsea edulis Stackh. 



Okamura. 



Buller, A. H. R., The rate of Fall of Fungus Spores in 

 Air. (Nature. LXXX. p. 186—187. 1909.) 

 A preliminary note giving the results of the author's experi- 



