Algae. — Eumycetes. 279 



Also at coasts bottom water is brought up; hence the resemblance 

 between neritic plankton and bank plankton. Ove Paulsen. 



Petersen, H. E., Algae (excl. Calcareous Algae). (Report Da- 

 nish Oceanographical Expeditions 1908 — 10 to the Mediterranean 

 and adjacent Seas, edited by Johs. Schmidt. II. Biology. K. 3. p. 

 1-20, with 11 textfigs. Copenhagen 1918.) 



A list of 123 species of Algae collected at 21 stations in the- 

 Mediterranean Sea. Only the few dredgings along the coasts 

 of Africa east of Tunis and in the Aegean Sea have given 

 any remarkable geographical Information. The paper contains cri- 

 tical remarks with figures to several species and one species: 

 Ceramium brevisonatum is described as new. About 35 species are 

 for the first time recorded from the Aegean Sea. 



Carl Christensen. 



Transeau, E. N., Notes on the Zygnemales. (Ohio Journ. Sei. 

 [Continuation of The Ohio Naturalist]. XVI. p. 17-31. Nov. 1915.) 



Contains as new: Debarya glyptosperma formosa, D. americana, 

 D. decussata, D. reticulata, D. reticulata '{Zygnema Hallas), Zygnema 

 cruciaüini caeruleum, Z. cylindricnm , Spirogyra Bargeana, S. sub- 

 marina (S. deeimina submarina Collins), 5. propria, S. brasiliensis 

 {S. lineata brasiliensis Nordst.), 5. novae angliae , S. micro-punetata , 

 S. reflexa, S. hydvodictya, S. Farlowii, and 5. floridana. 



Trelease. 



Transeau, E. N. and H. Tiffany. New Oedogoniaceae. (Ohio 

 Tourn. Sei. XIX. p. 240—242. pl. 14. Feb. 1919.) 



Oedogonium hystricinum , 0. pisanum gracilis, and Bulbochaete 

 Bullardi. Trelease. 



Murpill, W. A., The Agaricaceae oftropical North America. 

 (Mycologia. X. p. 62—85. Mar. 1918.) 



Contains as new: Dvosophüa castaneidisca , D. brevipes, D. cam- 

 pestris (Gymnochilus campestris Earle), D. pallidispora, D. flocculosa 

 (G. flocculosus Earle), D. tepeitensis, D. jalapensis, D. tenuis, D. 

 truncatispora, D. atricastanea, D. caespitosa (G. caespitosus Earle), 

 Hypholoma flavovirens, Gomphidius jamaicensis, Stropharia troyana, 

 S. caespitosa , S. bermudiensis {Hypholoma Mass.j, Agaricus angusti- 

 folius, A. subsilvicola, A. Johnsionii, A. cinchonensis , A. Venus, A. 

 subpratensis, A. herradurensis, A. Earlei, A. xuchilensis, A. praemag- 

 nus, A. ochraeeidiscus, A. Hörnet, A. Shaferi, Coprinus jalapensis, 

 C. mexicaniis, C. jamaicensis and C. cinchonensis. Trelease. 



Wilson, G. W., Studies in North American Peronosporales. 

 VIII. New and noteworthy species. (Mycologia. X. p. 168— 

 169. May 1918.) 



Contains as new: Rhysotheca Acalyphae and Plasmopara Aca- 

 lyphae — as alternative names for the one species. Trelease. 



