202 Botanisches Centralblatt. 



rentiation between vegetative leaves and sporophyls in Lycopo- 



dium and Selaginella is briefly discussed. — Maxon.) 

 Clute, W. N. 1910. The fronds of Lygodium. (Fern Bull. XVIII. 



p. 7-9.) 

 Fernald, M. L. and C. H. Bissell. 1910. The North American va- 



riations of Lycopodium clavatum. (Rhodora. XII. p. 50 — 55.) 

 Green, F. C. 1910. Ferns of the Bad Lands. (Fern Bull. XVIII. 



p. 16—17.) 

 Holden, H. S. 1910. Preliminary note on periderm formation in 



filicinean petioles. (Ann. of Bot. XXIV. 95. p. 611.) 

 Kidston, R, and D. T. Gwynne-Vaughan. 1909. On the ancestry 



of the Osmundaceae. (Rept. british Ass. Adv. Sc. Winnipeg. Section 



K. p. 665.) 

 Lang, W. H. 1910. On a suspensor in Helminthostachys zeylanica. 



(Ann. of Bot. XXIV. 95. p. 611.) 

 Macoun, J. M. 1907. Asplenium Ruta-muraria L. (Ottawa Nat. XXI. 



p. 183.) [This species is reported from the vicinity of Banff, British 



Columbia, a notable extension of ränge to the north west. The 



specimens were gathered by Rev. W. A. Burman in July, 1893. — 



Maxon.] 

 Stone, G. E. 1909. The power of growth exhibited by ostrich ferns. 



(Bull. Torrey bot. Club. XXXVI. p. 221—225. 1 fig.) 



XVIII. Floristik, Geographie und Systematik der Phanerogamen. 



Arnes, O. 1910. Orchidaceae. Fase. 4. The genus Habenaria in 

 North America. (Boston, Merrymount Press. i~910. 8°. XIV, 288 pp. 

 20 etchings.) 



Anonymus. 1910. Cycas Micholitzii. (Kew Bull. 1910. 5. p. 163.) 



Anonymus. 1910. Flora of Southport. (Lancashire Nat. II. 18. 

 p. 174—175.) 



Anonymus. 1910. National museum of science and art, Dublin: 

 Hand List of Irish flowering Plants and Ferns. (Dublin 1^10. 26 pp.) 



Anonymus. 1910. New orchids: Decade 35. (Kew Bull. 1910. 5. p. 

 158—162.) 



Anonymus. 1909. The green Hellebore in Lancashire. (Lancashire 

 Nat. II. 19. p. 206.) 



Anonymus. 1910. Watson exchange club Report, 1908—1909. (Journ. 

 of Bot. XL VIII. 572. p. 201-203.) 



Ascherson, P. und P. Graebner. 1910. Synopsis der mitteleuro- 

 päischen Flora. 69/70. Lfrg. 4. Bd. Bgn. 21—25. (Leipzig, W. En- 

 gelmann. 1910. 8°. p. 321—400 und Hauptregister. 80 pp.) 



Backer, C. A. 1910. Plantes exotiques naturalisees dans Java. 

 (Ann. Jard. bot. Buitenzorg. Ser. 2. Suppl. 3. p. 392—420.) 



Baer, W. 1910. Ueber die Fichtengenerationen von Pineus pini 

 Koch. (Tharandter forstl. Jahrb. LXI. p. 89—94.) 



Bailey, C. 1909. Notes of an address on Blackberries. (Lancashire 

 Nat. II. 13. p. 25-29. 14. p. 33—35.) 



Bailey, C. E. 1909. Notes from Warton. (Lancashire Nat. II. 

 14. p. 130.) 



Barsali, E. 1910. Intorno alle Pine Pagliose. (Bol. Soc. bot. ital. 

 1910. 5/6. p. 80-83.) 



Beal, W. J. 1910. Seeds of Michigan weeds. (Bull. Michigan agric. 

 Exp. Stat. 1910. 260. p. 103—182. f. 1—215.) 



Beanland, J. 1910. Euphrasia Rostkoviana Hayne in Westmore- 

 land. (Naturalist. 1910. N°. 641. p. 245.) 



Beccari, O. 1910. Glaziova Treubiana. Nouvelle espece de Cocoinee 



