54 KARL B. KUISTOFFEEtSON 



as in M. oxyloba and M. pusilla. This hybrid is sterile U) a very high 

 degree. I have only obtained a few seeds, which seemed to be very 

 poorly developed, and which probably do not germinate. 



As is seen from the above the relatively large flowers of M. neglectd 

 are dominant to the smaller of M. pnailla, M. oxyloba and M. crispa. 

 Furthermore, the crisp lea\es of M. crispa and the sharp serration of 

 M. oxyloba are dominant characters. 



LITERATURE CITED. 



1. BoissiER, K. 1867. Flora Orientalis I. Genève. 



2. Fedkri.ev, H. 1913. Das \'erhalten der Chromosomen bei der Spermatogenese 



der Schmetterlinge Pygaera anacorela, ciirtiila und pigra sowie einiger ihrer 

 Bastarde. Zeitschr. ind. Abst. 



3. Hedlund, T. 1907. Om artbildning ur bastarder. Bot. Xotiser. 



4. Neuman, L. M. och Ahlfvengren, Fr. 1901. Sveriges flora. Lund. 



5. Nilsson-Ehle, H. 1909. Kreuzungsuntersuchungen an Hafer und Weizen. 



Lunds Universitets Arsskrift. 

 (>. ÏURESSON, G. 1922. The genotypical response of the plant species to the habitat. 

 Hereditas III. 



