Neue Litteratur. 91 



XV. Lichenes. 



Bachmann, E. 1919. Bildungsabweichungen des Lagers von Parmelia 

 physodes (L.) Ach. Bitt. (Cbl. Bakt. 2. IL. p. 131—143. 9 F.) 



XVI. Bryophyteß. 



Andrews, A. Le Roy 1919. Bryological notes. V. Scapania nimbosa 



from Norway. (Torreya. XIX. p. 49—51.) 

 Barroso, M. J. 1919. Notas sobre briozoos espaiioles. (Bol. r. Soc. 



epanola Hist. nat. XIX. p. 200—204. 111.) 

 Bergesen, F. 1919. A new moss collected in Blue Mountains, Jaraaica. 



(Bot. Tidsskr. XXXVI. p. 279-280. 2 f.) 

 Britton, E. S. 1919. Weat Indian Mosses in Florida. (Bryologist. 



XXII. p. 2.) 

 Ciaassen, E. 1919. Mosses of several Ohio counties. (Ohio Journ. Sc. 



XIX. p. 362—366.) 

 Dizon, H. N. 1919. Miscelianea brvologica. VI. (Journ. of Bot. LVII. 



p. 73—80.) 

 Evans, A. W. 1919. A taxonomic study of Dumortiera. (Bull. Torrey 



bot. Club. XLVI. p. 167-182.) 

 Hurst, C. P. 1919. II fracombe mosses and hepatics. (Journ. of Bot. 



LVII. p. 94—97, 119—124.) 



XVn. Pteridophyten. 

 Cf. IV. Brown; Bruchmann. 



Fitzpatrick, T. J. 1919. The Fern flora of northeastern Iowa. (Amer. 



Fern Journ. VIII. p. 110—114.) 

 Hieronymus, G. 1919. Aspleniorum species novae et non satis notae. 



Beschreibungen von neuen Arten und Bemerkungen zu älteren 



Arten der Gattungen Asplenium. (Hedwigia. LX. p. 210—266.) 

 Hieronymus, G. 1919. Kleine Mitteilungen über Pteridophyten. IL 



(Hedwigia. LXI. p. 4-39.) 

 Mac Caughey, V. 1918. An ecological survey of the Hawaiian pteri- 



dophytes. (Journ of Ecol. VI. p. 199—219.) 

 Rosendahl, H. V. 1918. A list of the pteridophyta of Greenland with 



their localities. (Medd. ora Grönland. LVI, p. 208—220.) 



XVIII. Floristik, Ueographie und Systematik der Phaiierogamen. 



Adamson, R. S. 1919. Notes on the flora of north Cheshire. (Journ. 



of Bot. LVII. p. 91-94.) 

 Andrews, E. F. 1819. The Japanese hone5^suckle in the eastern United 



States. (Torreya. XIX. p. 37—43. 2 f.) 

 Arber, A. 1919. Aquatic angiosperms: the significance of their syste- 



matic distribution. (Journ. of Bot. LVII. p. 83—86.) 

 Arber, A. 1919. On the law of age and area, in relation to the 



extinction of species. (Ann. of Bot. XXXIII. p. 211—214.) 

 Arthur, J. C. 1919. New names for species of Phanerogams. (Torreya. 



XIX. p. 48—49.) 



Ascherson, P. und F. Graebner. 1919. Synopsis der mitteleuropäischen 



Flora. 96. Lfrg. (Leipzig, Borntraeger. 1919. S^ p. 785-864.) 

 Baker, E. G. 1919. The african species of AUophylus. (Journ. of Bot. 



LVII. p. 154—160, 181-190.) 

 Battandier, J. A. 1919. Le genre Astydamia D. C. est-il suffisamment 



distinct du genre Levisticum L. (Bull. Soc. Hist. nat. Afrique 



Nord. X. p. 74—75.) 

 Battandier, J. A. 1919. Quelques mots ä propos de la derniere com- 



