130 Botanisches Centralblatt. 



comb. (Rhodora. XVII. p. 87.) [To replace Betula nana L. 8. sibi- 



rica Ledeb. — Trelease.j 

 Blake, S. F. 1915. Moneses uniflora var. reticulata. (Rhodora. XVII. 



p. 28—29.) [A new combination for Moneses reticulata Nutt. — 



Trelease.j 

 Blakeslee, A. F. 1914. Corn and men. (Journ. of Heredity. V. p. 511 — 



518. 4 f.) 

 Brown, H. B. 1913. Form and structure of certain plant hybrids in 



comparison with the form and structure of their parents. (Techn. 



Bull. Mississippi agr. Exp. Stat. 1913. 3.) 

 Brozek, A. 1915. Ueber das Auftreten von pokalförmig zusammen- 

 wachsenden Cotyledonen in Kulturen von Mimulus quinquevul- 



nerus bei stetiger Autogamie der Kulturexemplaren. (Vestnik V. 



sjez. ces. pnr. 1915. p. 367. Böhmisch.) 

 Brozek, A. 1915. Ueber die Isolierung von reinen Linien bei der 



Dominanz und Intermediertät der Merkmalen. (Vestnik V. sjez. 



ces. pnr. 1915. p. 366. Böhmisch.) 

 Chapin, W. S. 1914. Heredity in chimeras. (Journ. of Heredit}'. V. 



p. 533-546. 7 f) 

 Fernald, M. L. 1914. The varieties of Ranunculus Cymbalaria. (Rho- 

 dora. XVI. p. 160-163.) 

 Fernald, M. L. 1914. The West Virginian variety of Pol3'gonum cili- 



node. (Rhodora. XVI. p. 165 — 166.) [Polygonum cilinode laeviga- 



tum is described as new. — Trelease.j 

 Fernald, M. L. 1914. The western variety of Maianthenum cana- 



dense. (Rhodora. XVI. p. 210—211.) [Segregated as Maianthenum 



canadense interius. — Trelease.j 

 Fernald, M. L. and J. F. Macbride. 1914. The North American varia- 



tions of Arctostaphylos Uva-ursi. (Rhodora. XVI. p. 211—213.) 



[Three forms are segregated, of which Arctostaphylos Uva-ursi 



coactilis and A. Uva-ursi adenotricha are described as new. — 



Trelease.j 

 Hill, A. F. 1914. A pubescent variety of the dwarf raspberry. (Rho- 

 dora. XVI. p. 151 — 152.) [Rubus pubescens pilosifolius is charac- 



terized as new. — Trelease.j 

 Mc Lenden, C. A. 1912. iVlendelian inheritance in cotton h3'brids. 



(Bull. Georgia agr. Exp. Stat. 1912. 99.) 

 Nachtsheim, H. 1914. Die Bedeutung des Mengenverhältnisses müt- 

 terlicher und väterlicher Substanzen für die Vererbung. (Natw. 



Wschr. XIII. p. 585—587.) 

 Nieuwiand, J. A. 1914. A new variety of Sambucus. (Amer. Midi. 



Nat. III. p. 310. [Sambucus pubens xanthocarpa (S. racemosa xan- 



thocarpa). — Trelease.j 

 Pease, A. S. 1914. A form of Potentilla tridentata. (Rhodora. XVI. 



p. 194—195. Nov. 1914.) [Potentilla tridentata hirsutifolia. — 



Trelease.j 

 Popenoe, P. 1914. Origin of the date palm. (Journ. of Heredity. V. 



p. 498—508. 5 f ) 

 Popenoe, P. 1914. Plant chimeras. (Journ. of Heredit5\ V. p. 521 — 



532. 10 f) 

 Römer, J. 1913. Mutation der Zwerghyazinthe. (Natur. 1913. p. 480.) 

 Uhrlaub, J C. 1914. A degenerated rose blossom. (Journ. ofHeredit}^ 



V. p. 510.) 



VI. Physiologie. 



Agulhon, H. et T. Robert. 1915. Contribution ä l'etude de l'action du 



