184 Botanisches Centralblat. 



Warnstorf, C. 1907. Riccia bavarica n. sp. (Hedwigia. XLVI. 5, 

 p. 299. 1 Abb.) 



XIV. Pteridophyten. 



Queva, C. 1907. Histogenese et Structure du Stipe et de la Fronde 



des Equisetum. (Soc. Hist. nat. Autun XX. 41 pp.) 

 Robertson, G. R. 1907. Southern Station for Botrychium simplex. 



(Fern Bull. XV. p. 17.) [Botrychium simplex is reported from the 



San Bernardino mountains of southern California, at an altitude 



of nearly 8000 feet. — Maxon.] 

 Spring, Ä. B. von 1907. Beiträge zur Entwicklungsgeschichte der 



Makrosporangien von Selaginella spinulosa (Hörn 1907. 8°. 16 pp.) 

 Strong, M. A. 1907. Further information regarding the occurence 



of Dryopteris filix-mas in Vermont. (Rhodora. IX. p. 27 — 28.) 

 Tansley, A. G. 1907. Lectures on the evolution of the Filicinean 



vascular system. III. The Hymenophj'llaceae. (N. Phytologist VI. 



5. p. 109-120. figs. 23—33.) 

 Toole, W. 1907. Cultivation of native ferns. (Annual Rept. Wisconsin 



hört. Soc. XXXVII. p. 9-13. 8 pl.) 

 Underwood, L. M. 1907. Concerning Woodwardia paradoxa, a 



supposedly new Fern from British Columbia. (Torreya. VII. p. 73 — 76.) 



XV. Floristik, Geographie, Horticultur und Systematik 



der Phanerogamen. 



Cf. VII. Solms-Laubaeh. 



Abrams, Le Roy 1907. Studies on the flora of Southern California. 



IL (Bull. Torrey bot. Club. XXXIV. p. 263-265.) 

 Arnold, F. H. 1907. Flora of Sussex, or a List of the Flowering 



Plants and Ferns found in the County of Sussex, with Loca- 



lities of the less cummon Species. New edition, with numerous 



additions. (London 1907. 8°. 176 pp. 111.) 

 Courehet, L. 1906. Contribution ä l'etude du genre Cinnamoma, 



H. Baillon. (Ann. Inst, colon. Marseille. 2. IV. p. 119—174. ill.) 

 Krause, E. A. L. 1906. Anmerkungen zum elsass-lothringischen 



Kräuterbuche [„Florenklein"]. (Mitt. philomat. Ges. III. p. 391—409.) 

 Petitmengin. 1907. Nouveaux Lvsimachia de Chine. (Monde des 



Plantes. 2. IX. 46. p. 30—31.) 

 Petrak, F. 1907. Ueber die systematische Bedeutung überwinterter 



Blätter bei der Gattung Viola. (Allg. bot. Zschr. XIII. 7/8. p. 118—119.) 

 Pohle, R. 1907. Vegetationsbilder aus Nordrussland. (Karsten und 



Schenck, Vegetationsbilder. V. Reihe. 3-5. 18 Taf. mit IL, 34 pp. Text.) 

 Preager, R. L. 1907. On recent extensions of the ränge of some 



rare western plants. (Irish Nat. XVI. 8. p. 241—243.) 

 Preaubert, E. 1907. Resultats d'herborisations en Anjou de 1902 ä 



1905 [Flore vasculaire]. (Bull. Soc. Etudes sc. Angers. N. S. XXXV. 



p. 63-79.) 

 Purpus, J. A. 1907. Cereus Thurberi Engelm. (Mschr. Kakteenk. 



XVII. 7. p. 107.) 

 Quehl, L. 1907. Varietäten der Mamillaria strobiliformis Scheer. 



(Mschr. f. Kakteenk. XVII. 6. p. 86-87.) 

 Ramaley, F. 1907. Scientific expedition to northeastern Colorado. 



8. Botany. Account of collections made. (Univ. Colorado Studies. 



IV. p. 161-165.) 

 Ramaley, F. 1907. The Silva of Colorado. IL The poplars, aspens 



and cottonwoods. (Univ. Colorado Studies. IV. p. 187—197. 6 fig.) 



