KINDS AND FORMS OF LEAVES. 



43 



Retuse ; having a blunt or rounded apex slightly indented, as in Fig. 109. 



Emarginate, or Notched; as if a notch were cut out of the apex; Fig. 110. 



Ohcordate, or Inversely heart-shaped ; that i^, with the strong notch at the apex 

 instead of the base, as in Fig. Ill and the leaflets of White Clover. 



Cuspidate ; tipped with a rigid or sharp and narrow point, as in Fig. 112. 



Mucronate ; abruptly tipped with a short and weak point, like a small projection 

 of the midrib, as in Fig. 113. 



Awned, Awn-pointed, op Aristate ; tipped with a long bristle-shaped appendage, 

 like the beard (awn) of Oats, &c. 



Potnteil. Acute. UUluae. Truncate. Retuse, Notched. 



Obcor'late. Cuspidate. Mucronate. 



138. As to the margin, whether whole, toothed, or cut, leaves are said to be 

 Entire ; when the margin is an even hne, as in Fig. 99 to 102. 

 Toothed; when beset with teeth or small indentations ; of this there are two or 

 three varieties, as, 



115 116 117 118 119 



J 



I 4;I*J 



^J. 







\ 



\ 



'm 



Serrate or Saw-toothed; when 

 the teeth turn forwards, like 

 those of a saw, as in Fig. 114. 



Dentate ; when they point 

 outward, as in Fig. 115. 



Crenate ; when scalloped in- 

 to broad and rounded teeth, as 

 in Fig. 116. 



Wavy (Repand or Undulate) ; 

 when the margin bends shghtly C 

 in and out, as in Fig. 117. 



Sinuate ; strongly wavy or 

 sinuous, as in Fig. 118. 



Incised or Jagged; cut into deep and irregular, jagged teeth or incisions, as in 

 Fig. 119. This leads to truly 



139. Lobed or Cleft leaves, &c. . those with the blade cut up, as it were, into parts, 

 i. e. lobes or divisions. In a general way, such leaves are said to be lobed ; and the 







Serrate. Ocntf.te. Crenate. Wavy. Sinuate. 



Incised or Jagged. 



