Harris, J. A. 58.11.42. 



A First Study of the Relationship between the Weight of the 

 Bean seed. Phaseolus vulgaris, and the Time required for 

 its Germination. 

 Plant World Vol. 16: p. 267—274. 1913. H. 



Harris J. A. 58.11.41. 



The Relationship between the Weight of the seed planted 



and the Characheristics of the Plant produced. 



Part I Biom. Vol. IX p. 11. 1913. 



Part II Biom. Vol. X p. 73—84. 1914. S. 



Harris, J. A. 58.11.14. 



On the correlation between somatic characters and fertility. 



Illustrations from Phaseolus vulgaris. 



American Journal of Botany Vol. 1 1914 p. 398. H. 



Harshberger, J. W. 58.11.2. 



The limits of variation in Plants. 

 Proc. Acad. Nat. Sc. Philadelphia Vol. LIII April 1901. H. 



Heyer, A. 58.11.55. 



Ueber die Langenvariation der Coniferennadeln. 

 Biom. Vol. VI 1908.— '09 S. 



Heyer, A. 58.11.55. 



Neue Untersuchungen iiber die Langenvariation der Conife- 



Berichte der Schweiz. Bot. Gesells. Heft XX Berne 1911. H. 



Heyer, A. 311.2:58.11.5. 



Recherches de statistique sur la variability des feuilles 

 vegetatives de Prunus spinosa L. 

 Arch, des Sc. phys. et nat. Geneve Vol. XXII p. 367. S. 



Helguero, F. de. 58.11.57. 



Variazione del numero dei fiori ligulari del Bellis perennis. 

 Bull. Orto bot. Napoli. Tome II fas I. 1904. 



