,843— iS62] H0M0L0G1 



done. Some of the ducts of the upper sepal ' and upper petal Letter 605 

 run to the wrong bundles on the column. I have seen no 

 such ca 



• 



;. 9. — Habenaria chlorantha of bundles). 



The three upper curved outlines, two of which passing through the words " upper 

 sepal," " upper petal, r sepal," were in red in the original ; for explanation 



see text. 



This case apparently shows that not the least reliance can 

 be placed on the course of ducts. 1 am sure of my fa< ts. 



There i- great adhesion and extreme displacement < f 1 

 where the organs spring from the top of the ovarium. 

 Gray says duels are very early develop* d, and it s to me 



1 These would be described by modern morphologists as lov 

 not upper, sepals, etc. Darwin was aware that he used these terms 

 incorrectly. 



