68 Botanisches Centralblatt. 



Robinson, W. J, 1909. Experiments upon Drosera rotundifolia as 

 to its protein-digesting power. (Torreya. IX. p. 109—114.) 



Shreve, F. 1908. Transpiration and water storage in Stelis ophio- 

 glossoides. (Plant World. XI. p. 165-172.) 



Skinner, J. J. 1908. Water eulture method for experimenting with 

 potatoes. (Plant World. XII. p. 249—254. fig. 10—12). [Description 

 of germinating apparatus and method of growing potatoes in 

 water eultures, with brief account of results obtained from certain 

 soil Solutions. — Trelease.] 



Thornber, J. J. 1908. The viability of seeds. (Plant World. XL p. 

 158—159). [Record of the percentage of germination of various 

 seeds which were sown in soil and flooded to a depth of twelve 

 inches for thirty-eight days, — conditions to correspond with those 

 obtaining in the lower flood-plain of the Colorado River. — 

 Trelease.] 



VII. Palaeontologie. 



Berry, E. W. 1910. A new cretaceous Bauhinia from Alabama. 



(Amer. Journ. Sc. 4. XXIX. 171. p. 256-258. 1 fig.) 

 Cockerell, T. A. D. 1909. Eocene fossils from Green Rivers, 



Wyoming. (Amer. Journ. Sc. XXVIII. p. 447-448.) 

 Cockerell, T. D. A. 1909. Two new fossil plants from Florissant, 



Colorado. (Torreya. IX. p. 184—185.) 

 Gothan, W. 1909. Ueber Braunkohlenhölzer des rheinischen Ter- 

 tiärs. (Jahrb. kgl. preuss. geol. Landesanst. XXX. 1/3. p. 516—532. 



5 Fig. 2 Taf.) 

 Jeffrey, B. C. 1909. On the nature of the so-called algal or bog- 



head coals. (Rhodora. XI. p. 61 — 63.) 

 Langenhan, A. 1909. Fauna und Flora des Rotliegenden in der 



Umgebung von Friedrichroda. Nachtrag. (Friedrichroda, 1909. 4°. 



mit 3 Taf.) 

 Laurent, L. 1909. Deux gisements de plantes fossiles dans les 



formations lacustres tertiaires du Tonkin. (Ass. fr. Avanc. Sc. 



Congr. Lille. 1909. I. p. 107.) 

 Laurent, L. et P. Marty. 1909. Le Castanea arvernensis Sap. au 



gisement de Menat. (Ass. fr. Avanc. Sc. Congr. Lille. 1909. 1. p. 109.) 

 Lignier, O. 1909. Sur une Calamodendree liasique. (Ass. fr. Avanc. 



Sc. Congres Lille. 1909. I. p. 115.) 

 Menzel, P. 1909. Fossile Pflanzenreste aus den Mungoschichten 



bei Kamerun in: Beiträge zur Geologie von Kamerun. XL Teil. 



(Abh. kgl. preuss geol. Landesanst. N. F. LXII. p. 399—404. 1 Taf.) 

 Nathorst, A. G. 1909. Paläobotanische Mitteilungen, VIII. (Kgl. 



svenska Vet. Ak. Handl. 1909. 38 pp. 5 Fig. 3 Taf.) 

 Potonie, H. 1909. Vorschläge zur Regelung der paläobotanischen 



Nomenklatur. (Jahrb. kgl. preuss. geol. Landesanst. XXX. 1. 3. 



p. 533—537.) 

 Ruedeman, R. 1909. Some marine algae from the Trenton lime- 

 stone of New York. (Bull. N. Y. State Mus. 1909. 133. p. 194-216. 3 pl.) 

 Sinnott, E. W. 1909. Paracedrox}don, a new Araucarian wood. 



(Rhodora. XL p. 165-173. 2 pl.) 

 Stopes, M. C. and K. Fujii. 1909. Studies on the structure and 



affinities of Cretaceous Plants. (Phil. Trans, roy. Soc. London. B. 



CCI. p. 1-90. 9 pl.) 



VIII. Microscopie. 



Bailey, J. W. 1910. Microtechnique for woody structures. (Bot. 

 Gaz. IL. 1. p. 57-58.) 



