438 



THE AMERICAN NArURALIST [\'<)L. XLl 



development of a leaf to this point is characterised by sej?- 

 ion of its parts, accompanied hy relatively little increase 

 ime. ^I^liis is its cmhn/oiuc sfcu/e. It is followed hy the 

 / r.rprnis-hn in which there is a .u'reat incn^ise in A-olume 

 t The :id(hti<)n of lolx's or h-aflefs. The rccoo-nition of these 



below the growing- 

 length it presents 



stipnle appears almost sinuilta 

 T leaflet, before any of the lov 

 nate close above the stipules." 

 eaf presents lower lol)es for the 



of leaflets, and an upper lobe 



