KINDS AND FORMS OF LEAVES. 
49 
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. 
Obcordate, or Inversely heart-shaped; that is, 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 , or Aristate ; tipped with a long bristle-shaped appendage, 
like the beard {awn) of Oats, &c. 
105 106 107 103 109 110 111 112 113 
Pointed. Acute. Obtuse. Truncate. Retuse. Notched. Obcordate. 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 in ns 116 nr ns 119 
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 slightly 
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 
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 
in 
