Neue Litteratur. 139 



Peck, S. S. 1912. The influence of molasses on nitrification in cave 



soils. (Bull, hawaiian Sugar Planl Ass. Exp. Stat. 192. 39. 25 pp. 8 eh.) 

 Smith, E. F. 1912. A new method in bacterial research. Ph^nopa- 



thology. II. p. 214 — 215. [Application of Churchman's stain to bac- 



teria of plant disease. — Trelease. 

 Wilcox, E. M. and G. K. K. Link. 1912. A new form of pure culture 



Chamber. (Phytopathology. II. p. 120. 1 f.) 



XV. Lichenes. 

 Cf. V. Blake. 



Blodgett, F. M. 1915. Further studies on the special and control of 

 hop mildew. Bull. New York. Agr. Exper. Stat. 1915. p. 395. 

 [Referring to Spaerotheca Humuli. — Trelease.] 



Ciaassen, E. 1913. Caloplaca pyracea (Ach.) Th. Fr., a crustaceous 

 liehen on the Sandstone Sidenalks of East Cleveland. Ohio. Ohio 

 Xat. 13. p. 99-100.) 



Timm, R. 1913. Mit Flechten von Kullen in Schweden vergesell- 

 schaftete Moose, eine Ergänzung zu der Flechtenarbeit von Fr. 

 Erichsen. (Verh. natw. Ver. Hamburg. 1913. 3 Folge XXI. p. 95— 

 106. 3 A.) 



XVI. Bryophytea. 

 Cf. XV. Timm. 



XYn. Pteridophyten. 



(Vacat.) 



XVIII. Floristik, Geographie und Systematik der Phanerogamen. 



Abbot, E. 0. 1914 15. Bartram's Garden, Philadelphia, Pa. (Issued 



by the John Bartram Association, 1914. Re-issued, 1915.) 

 Andrews, E. C. 1915. The development and di-tribution of the natural 



Order Leguminosae. (Journ. and Proc. r. Soc. N. S. Wales. XLVIII. 



p. 333—407.) 

 fArvet-Touvet, C. 1913. Hieraciorum praesertim Galliae et Hispaniae, 



catalogus svstematicus. Preface de l'abbe H. Coste. (Paris, L. 



Lhomme. 1913. S'l IX, 4S0 pp.) 

 Baker, R. T. 1915. A new Croton from Xew South Wales. (Journ. 



and Proc. r. Soc. N. S. Wales. XLVIII. p. 444—447.) 

 Bartlett, G. 1915. Key to the seeds of the wild and cultivated genera 



of peas and leaves in Ohio. (Ohio Nat. XV. p. 500.) 

 Beal, W. J. 1915. Weeds growing in Amherst. (Rhodora. XVII. p. 29—30.) 

 Bennett, A. 1915. Countvrecords of Potamogetons. (Journ. of Bot. 



LIII. p. 236—237.) 

 Berry, E. W. 1915. The origin and distribution of the familv Mvrta- 



ceae. Bot. Gaz. LIX. p. 484—490.) 

 Blake, S. F. 1915. A revision of Salmea and some allied genera. 



[concl.] Journ. of Bot. LIII. p. 225-235.) 

 Blake, S. F. 1915. An Atriplex [A. maritima] new to North America. 



Rhodora. XVII. p. 83—86. 2 f) 

 Blake, S. F. 1915. Notes on the genus Sabatia. (Rhodora. XVII. p. 



50 — 57. 1 pl.) 

 Bonnet, E. 1914. Enumeration des plantes recueillies dans le Sahara 



central par la Mission du chemin de fer transafricain. (Ass. frang. 



Avanc. Sc. C. R. 42e Sess. Tunis. 1913. Notes et Mem. Paris, 1914. 



p. 303- 307. ■• 

 Brainerd, E. 1915. Viola septentrionalis in British Columbia. (Rho- 

 dora. XVII. p. 70—71.) 



