May wis.] s. NOHARA -.—GENETIC STUDIES OF SOME CHARAC1ERS 93 



form from the view point of Leguminoseous fruits. The pheno- 

 menon reminded me of the experiments with Lathyrus odoratus 

 by Batesox and Punnett, the case of Matthiola by Saunders 

 and that of Orchids by^ Cookson and his coworkers, and I 

 thought the appearance of hard pods from soft ones is due to 

 meeting of two complementary factors when crossed. 



Fig II. 



If this assumption be correct we should expect to have 

 9 hards to 7 softs in every 10 pods. 



Of those above mentioned cases those of Lathyrus and 

 Orchids are concerned exclusively with color inheritance and 

 that of Matthiola is concerned partly with hoariness so far as 

 I know and it seemed to me that the ease of mv pea pod is 



very rare 



, » 



1 Afterwards White made pubric the result of hi experiments on Pea: "In- 

 heritance Studies in / m II I • Pi 1 State of Knowledge of Heredity and 

 Variation in Pea Bi oklyn Bot. Gard. Contrib. 19, and suoh case of mine may be 

 Involved bul I do nol gel 1 1 1 - - detailed papei which leem not to be published yet 



