. Botany for young people and common schools. Botany. KINDS AND FOiniS OF LEAVES. 49 Retuse; having a blunt or rounded apex slightly indented, as in Fig. 109. Umarginate, 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. Miceronate ; abruptly tipped with a short and weak point, like a small projection of the midrib, as in Fig. 113. Awned, Alvn-pointed, or An s
. Botany for young people and common schools. Botany. KINDS AND FOiniS OF LEAVES. 49 Retuse; having a blunt or rounded apex slightly indented, as in Fig. 109. Umarginate, 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. Miceronate ; abruptly tipped with a short and weak point, like a small projection of the midrib, as in Fig. 113. Awned, Alvn-pointed, or An state ; tipped with a long bristle-shaped appendage, like the beard (awn) of Oats, &c. 105 106 107 Apex of. Pointed. Acute. Obtuse. Truncate. Retuse. Obcordate. Cuspidate. Mucronate. 138. As to the margin, wdiether 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 Saiu-toothed; when iw 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 r1 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 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. hies or divisions. In a general way, such leaves are said to be lobed ; and the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gray, Asa, 1810-1888. New York, Ivison, Phinney, Blakeman & co. ; Chicago, S. C. Griggs & co.
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectbotany, bookyear1868
