THE LEAF 



95 



110 



114 115 



Repand, Undulate, or Wavy, when the margin of the leaf forms a 

 wavy line, bending slightly inwards and outwards in succession; as 

 in Fig. 113. 



Sinuate, when the margin is 

 more strongly sinuous or turned 

 inwards and outwards ; as in 

 Fig. 114. 



Incised, Cut, or Jagged, when 

 the margin is cut into sharp, 

 deep, and irregular teeth or in- 

 cisions; as in Fig. 115. 



Lobed, when deeply cut. 

 Then the pieces are in a gen- 110-115. Kinds of margin of leaves : 110, 

 eral way called LOBES. The serrate; 111, dentate? 112, ere- 



i . ., , i , a nate; 113, repaud; 114. sinuate; 



number of the lobes is briefly 115> i nc j se d. 



expressed by the phrases two- 



lobed, three-lobcd, five-lobed, many-lobed, etc., as the case may be. 



When the depth and character of the lobiug needs to be more par- 

 ticularly specified, the following terms are employed, viz. : 



Lobed, in a special sense, when the incisions do not extend deeper 

 than about halfway between the margin and the center of the blade, 



if so far, and are 



117 more or less round- 



ed; as in the 

 leaves of the Post 

 Oak, Fig. 116, and 

 the Hepatica, Fig. 

 120. 



Cleft, when the 

 incisions extend 

 halfway down or 

 more, and especially 

 when they are sharp; 

 as in Figs. 117, 121. 

 And the phrases 

 two-cleft, or, in the 

 Latin form, bifid, 

 three-cleft or trifid, 

 four-cleft or quadri- 

 fiL five-cleft or quin- 

 quefid, etc., or many- 

 cleft, in the Latin form, multifid, express the number of the segments, 

 or portions. 



Parted, when the incisions are still deeper, but yet do not quite 

 reach to the midrib or the base of the blade ; as in Figs. 118, 122. And 



116-123. Margins of deeply cut leaves : 116, pinnately 

 lobed; 117, pinnately cleft; 118, pinnately 

 parted ; 119, pinnately divided ; 120, pal- 

 mately three-lobed ; 121, palmately three- 

 cleft; 122, palmately three-parted; 123, 

 palmately three-divided, or trisected. 



