KINDS AND FORMS OF LEAVES. 



49 



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



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



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

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



Ouspidate ; 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, or Aristate ; tipped with a long bristle-shaped appendage, 

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



no 111 112 113 



pointed. Acute. Obtuse. Truncate. Retuse. 



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 line, as in Fig. 99 to 102. 



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

 three varieties, as, 



Serrate or Saw-toothed; when m ns us in iis 119 



the teeth turn forwards, like 

 those of a saw, as in Fig. 114. 



Dentate ; when they point 

 outward, as in Fig. 115. 



Grenate ; when scalloped in- 

 to broad and rounded teeth", as 

 in Fig. 116. 



Wavy {Repand or Undulate) ; 

 when the margin bends slightly 

 in and out, as in Fig. 117. 



Sinuate ; strongly wavy or 

 sinuous, as in Fig. 1 18. 



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 



Serrat«. Dcnttte. Crenate. Wavy, Sinuate. 



Incised or Jagged. 



