Chap. VI. 



ON HETEROSTYLED PLANTS. 



271 



Table 37. 



Nature of the Offspring from Illegitimately fertilised 



Trimorphic Plants. 



{Long-styled form, fertilised ) 

 by own-form pollen, pro- > 

 duced J 



(< 



K 



<( 



.. 



(< 



u 



n 



• i 



n 



<( 



Oxalis rosea . 



Short-styled form, fertilised ") 

 by own-form pollen, pro- > 

 duced . J 



Short-styled form, fertilised ] 

 by pollen from mid-length 

 stamens of long -styled 

 form, produced .... 



Mid-styled form, fertilised") 

 by own-form pollen, pro- >■ 

 duced J 



Mid-styled form, fertilised! 

 by pollen from shortest i 

 stamens of long-styled | 

 form, produced ... J 



Mid-styled form, fertilised 

 by pollen from longest 

 stamens of short-styled 

 form, produced .... 



Long-styled form, fertilised 1 

 during several genera- 

 tions by own-form pollen, 

 produced offspring in the 

 ratio of 



Number 

 of Long- 

 styled 

 Offspring 



56 



17 



14 



i< 



(Mid-styled form, fertilised) 

 hedysaroides ■! by own-form pollen, pro- 



( duced 



100 







Number 

 of Mid- 

 styled 



Offspring 



o 



Number 

 of Short- 

 styled 

 Offspring 



o 



o 



8 



8 







17 







8 



8 











18 











not in so marked a manner as in the case of the long- 

 styled form. There are three cases in Table 37, in 

 which a form of Lythrum was fertilised illegitimately 

 with pollen from another form; and in two of these 

 cases all the offspring belonged to the same two forms 



