50 



now PLANTS GKOVi'. 



Ml 



number of projecting parts, or lol)es, may be exprrsp"'! by saying two-hhefl, fJirce- 

 lubed (Fig. 12 1), ttc, according to their number, (^i-, more particularly, a leaf is 



Lohcd ; when the pieces are roundish, or tlie inci- ons open or ])lunt, as in Fig. 

 T20, I 2 r ; iind 



CIcj'l ; when cut al)out lialf-wjiy down, Avith sharp and narrow incisions, as in 

 Fig. 12 2, I 23 ; and so tico-chft, tlnrc-cleft, five-cU'l'f, k\. according to the number. 



Parted ; when the cutting extends almost through, r*s in Fig. 124, 125. And 

 we say tico-jmr/fd, tliree- parted, ^c, to express the ninnber of the parts. 



Divided; when the divisiims go through to the base of the leaf (as in Fig. 

 127), or to 'he midrib (as in Fig. 126), which cuts up the blade into separate 

 pieces, or nearly so. ' 



riiinaUily 



Palmatcly 



IL'l 

 Lobcd 



]2o 



127 

 Divided. 



, 



140. As the cutting is always hctireen the veins or ribs, and not across them, 

 the arrangement of the lobes depeiuls upon the kind of veining. Feather-veined 

 leaves have the incisions all running in towards the midrib (as in the upper 

 low of ligui'es), becau.se the principal veins all spring from the midril) ; while 

 radiate or palmately veined leaves have them all running towards the ba.«;e of 

 the blade, where the ribs all spring from the footstalk, as in the lower row of 



