STASIS. 



217 



CHAPTER I. 



PERSISTENCE OF JUVENILE FORMS. 



The retention in adult life of a form characteristic 

 of an early stage of development, and therefore usually 

 transient, may be manifested in any of the organs of 

 the plant. As these cases are for the most part treated 

 under separate headings, it is here only necessary to 

 allude to a few, which it is difficult to allocate satis- 

 factorily, while the reader may be referred for other 

 instances of like nature to the sections on Peloria, 

 Atrophy, Suppression, Dimorphy, Substitutions, &c. 



Stasimorpliy in the leaves of conifers. In many conifers 

 the leaves produced in the young state of the plant 

 are different, both in arrangement and form, from 

 those subsequently developed (see pp. 89, 90). But it 



Fio. 115. Junipei'ua sitiengia. 

 the same shnib. 



Two forms of leaves on branches of 



