Physiologie. — Palaeontologie. — Algae. 265 



Haas, A. R. C, Effect of anesthetics upon respiration. 

 (Bot. Gaz. LXVII. p. 377-404. f. 1—7. May 1919.) 



The initial effect of anesthetics on Laminaria is to increase — 

 not to decrease, respiration. Trelease. 



Harris, J. A., On the osmotic concentration ofthetissue 

 fluids of the phanerogamic epiphytes. (Amer. Journ. Bot. 

 V. p. 490—506. Nov. 1918.) 



The osmotic concentration of the tissue fluids of epiphytic 

 Bromeliaceae , Orchidaceae, Piperaceae, and Gesneriaceae is far lower 

 than that of the terrestrial Vegetation. W. B. McDougall. 



Johnston, E. S,, A simple non-absorbing atmometer 

 mounting. (Plant World. XXI. p. 257—260. [Oct. 1918]. 1919.) 

 A non-absorbing atmometer mounting with a Single mercury 

 valve is described. W. B. McDougall. 



Hollick, A., A fossil fern monstrosi ty. (Mem. N. Y. Bot. Gard. 

 VI. p. 473—4. pl. 31 — 32. Aug. 31, 1916.) 



Anomalofilicites n. gen., with A. monstrosus n. sp. 



Trelease. 



Howe, M. A., On some fossil and recent Lithothamniae of 

 the Panama Canal Zone. (Bull. N° 103, U. S. Nat. Mus. p. 

 1 — 13. pl. 1-11. Feb. 19, 1919.) 



Contains as new: Archaeolithothamnium episporum, Lithotham- 

 nium Vaughanii, and L. isthmi. Trelease. 



Jackson, T. F., The description and s tr atigraphic rela- 

 tionships of fossil plants from the Lower Pennsylva- 

 nian rocks of Indiana. (Proc. Ind. Acad. Sei. p. 405—428. pl. 

 1—10. 1916, issued 1917.) 



Contains as new: Lepidodendron yohoense, Trigonocarpum ova- 

 tum, T. hexagonale, T. hexaeostatum, Cardiocarpon acuminatum, C. 

 irreguläre, C. euneatum, S C. gracile, C. cordalum, C. commune, C. 

 subeirculare, C. rugosum, C. ovoideum, and C. obtusum. 



Trelease. 



Collins. F. S. and A. B. Harvey. The Algae of Bermuda. 

 (Proc. Amer. Acad. Arts & Sc. LIII. p. 3—195. pl. 1—6. Aug. 1917.) 



A total of 342 marine and 68 freshwater species; representing 

 185 genera, of which 43 are Myxophyceae, 56 Chlorophyceae, 24 

 Phaeophyceae and 62 Rhodophyceae. 



The following new names appear: Dermocarpa solitaria, Hör- 

 mothamnion convolutum, Enteromorpha ßexuosa submarina, Oedo- 

 gonium consociatum, E)idoderma filiforme, Chaetomorpha minima, 

 Cladophora Piscinae, C. rigidula, C. frascatii, Codium intertextum, C. 

 decorticatum clavatum, Bryopsis pennata seeunda (B. plumosa se- 

 eunda Harv.), B. pennata Leprieurii (B. Leprieurii Kuetz.), B Du 

 chassaingii filicina, Sargassum Filipendula Montagnei (S. Montagnei 



