230 Botanisches Centralblatt. 



Renier, A. 1907. Le grisou. (Rev. Questions sc. 1907. 90 pp.) [Dans 



un chapitre de son travail, l'auteur s'occupe notamment de la 



relation qui existe entre le degagement du grisou et la presence 



de v^getaux fossiles. — Henri Micheels.] 

 Renier, A. 1907. Trois especes nouvelles (Sphenopteris Dumonti, 



Sphenopteris Corneti et Dicranophyllum Richeri) du houiller sans 



houille de Baudour, Hainaut. (Ann. Soc. geol. Belgique. XXXIV. 



p. 181 — 196. 1 pl.) 

 Scott, D. H. 1907. Some aspects of the present position ofPalaeozoic 



Botany. (Rept. british Ass. York [1906]. p. 745—746.) 

 Scott, D. H. 1907. The flowering plants of the Mesozoic age in the 



light of recent discoveries. (Nature. LXXVI. 1961. p. 113— li 7. 3 figs.) 

 Seward, A. C. 1907. Fossil plants from Egypt. (Geol. Mag. IV. 



516. p. 253—257. 3 figs.) 

 Solörzano, M. M. and B. Hobson. 1907. Plant-remains in Basalt, 



Mexico. (Geol. Mag. IV. 515. p. 217—219. 1 pl.) 

 Stopes, M. C. 1907. On the 'coal-balls' found in coal zones. (Rept. 



british Ass. York [1906]. p. 747—748.) 

 Stopes, M. C. 1907. The flora of the Inferior Oolite of Brora 



(Sutherland). (Quart. Journ. geol. Soc. LXIII. 251. p. 375-382. 1 pl.) 

 Weiss, F. E. 1907. A Stigmaria of unusual type. (Rept. british Ass. 



York [1906]. p. 752.) 

 Weiss, F. E. 1907. On the occurrence, distribution, and mode of 



formation of the calcareous nodules found in coal seams of the 



Lower Coal Measures. (Rept. british Ass. York [1906]. p. 746—747.) 



VIII. Cryptogainen im Allgemeinen. 



Chatton, E. 1907. Un protiste nouveau, Pansporella perplexa nov. 

 gen. nov. sp., parasite des Daphnies. (C. R. Soc. Biol. Paris. LXII. 

 p. 42—43.) 



IX. Algae. 

 Cf. IV. Escoyez. 



Cotton, A. D. 1907. Some british species of Phaeophyceae. (Journ. 



of Bot. XLV. 538. p. 368—373.) 

 Hardy, A. D. 1907. Notes on a peculiar habitat of a Chlorophyte, 



Myxonema tenue. (Journ. roy. microscop. Soc. 1907. 3. p. 279—281.) 

 Heydrieh. 1907. Ueber Sphaeranthera lichenoides. (Ell. et Sol.) 



Heydr. mscr. (Beih. bot. Cbl. 2. XXII. 3. p. 222—230.) 

 Kniep, H. 1907. Beiträge zur Keimungs-Physiologie und -Biologie 



von Fucus. (Jahrb. wiss. Bot. XLIV. 4. p. 635—724. 12 Textfig.) 

 Penard. E. 1907. Sur la locomotion des Diatomees. (Bull. Herb. 



Boiss. 2. VII. 1. p. 75.) 

 Rieh, F. 1907, Algal ecology and biology. (Rept. british Ass. York 



[1906]. p. 758.) 

 Sauvageau, C. 1907. Le verdissement des huitres par la diatomee 



bleue. (Bull. Soc. sc. Arcachon. Stat. biol. X. 128 pp.) 

 Sauvageau, C. 1907. Sur une nouvelle complication dans l'alte- 



rance des generations des Cutleria. (C. R. Soc. Biol. Paris. LXIII. 



p. 139.) 

 Vilhelm, J. 1907. Ein Beitrag zur Kenntnis der Charophyten flora 



von Bulgarien, Montenegro und der Athos-Halbinsel. (Hedwigia. 



XLVII. 1/2. p. 66—70.) 

 Walker, N. 1907. The algal Vegetation of ponds. (Rept. british 



Ass. York [1906]. p. 758—759.) 



