Neue Litteratur. 215 



Schiffner, V. 1910. Hepaticae Europeae exsiccatae. Ser. VI— VIII. 



Nr. 251-400. Mit Text. 36 pp. (Prag, 1910.) 

 Schiffner, V. 1910. Studien über die Rhizoiden der Marchantiales. 



(Ann. Jard. bot. Buitenzorg. 2. Ser. Suppl. III. p. 473—492.) 



XVII. Pteridophyten. 

 Cf. VI. Szafer; XVIII. Düsen; Ostenfeld; Praeger. 



Prescott, A. 1910. The lady fern. (Fern Bull. XVIII. p. 12-13.) 

 [Notes on Athyrium Filix-foeraina. — Maxon.] 



Schaffner, J. H. 1910. An interesting Botrychium habitat. (Ohio 

 Nat. X. p. 8—9.) 



Seoullar, Mrs. A. E. 1910. Polypodium vulgare forma difido-cris- 

 tatum. (Fern Bull. XVIII. p. 15—16). [This form is reported from 

 Maine. — Maxon.] 



Senn, G. 1910. Die Knollen von Polypodium Brunei Werckle. 

 (Verh. natf. Ges. Basel. XXI. p. 115—125. 6 Fig.) 



Seymann, W. 1910. Zur Kenntnis der Hybride Asplenium Adian- 

 tum nigrum X Ruta muraria. (Oesterr. bot. Zschr. LX. 7. p. 

 278-280. 2 Abb.) 



Sykes, M. G. and W. Styles. 1910. The cones of the genus Sela- 

 ginella. (Ann. of Bot. XXIV. 95. p. 523-536. 1 pl.) 



Vickers, E. W. 1910. The pinnatifid spleenwort in northeastern 

 Ohio. (Fern Bull. XVIII. p. 4—7). [Describes the habitat of Asple- 

 nium pinnatifidum Nutt. at a new Station in Ohio, on sandstone, 

 near Lauterman's Falls in Mill Creek Park, near Youngstown, 

 Mahoning Connty, Ohio. — Maxon.] 



XVIH. Floristik, Geographie und Systematik der Phanerogamen. 



Cf. IV. Saxton; Smith. 



Aiken, J J. M. L. 1909. Carex Boenninghausiana: its occurrence 



in Northumberland. (Proc. bot. Soc. Edinburgh. XXIV. l.p. X— XII.) 

 Almquist, S. 1910. Skandinaviska Former af Rosa glauca Vill. i 



Naturhistoriska Riksmuseum, Stockholm. (Ark. för Bot. 1910. 118 



pp. 10 Taf. 104 Fig.) 

 Anonymus. 1910. Decades Kewenses. Decas LVII. (Kew Bull. 1910. 



6. p. 192—197.) 

 Anonymus. 1910. Diagnoses Africanae: XXXVI. (Kew Bull. 1910. 



6. p. 182—188. 7. p. 228—239.) 

 Apgar, A. C. 1910. Ornamental shrubs of the United States (hardy, 



cultivated). (The American Book Company: New York, Cincin- 



nati, Chicago. 1910. 12°. 352 pp. 621 fig.) [A methodically handled 



manual, with a wealth of Sketches butgood original illustrations. — 



Trelease.] 

 Apgar, A. C. 1910. Trees of the Northern United States (wild and 



cultivated). (New York 1910. 8°. ill.) 

 Ascherson, P. 1910. Ueber die Heimat der Reseda [Reseda odo- 



rata]. (Verh. bot. Ver. Brandenburg. LI. p. 129—131.) 

 Bailey, F. M. 1910. Contributions to the flora of Queensland. 



(Queensland Agric. Journ. XXV. 1. p. 9 — 12.) 

 Bartlett, H. H. 1910. Vernonia georgiana, a new species related 



to V. oligophylla. (Rhodora. XII. p. 171—172.) 

 Batchelor, L. D. 1910. Classification of the Peony. Third Report. 



(Bull. 278, Cornell Univ. (New York) agric. Expt."Stat. (Ithaca, N. 



Y.). p. 219—298. 1910.) [The first two reports on Peony were by 



Dr. J. Elliot Coit. The present paper gives 20 corrected descrip- 



tions of the second report (Bull. 259, 1908) and 217 varieties are 



