From left to right: Acuminate, Acute, Obtuse, Truncate, Retuse, Emarginate, Obcordate, Cuspidate, Mucronate.
"Xerophytic leaves of the Australian blackberry. l, leaflets reduced in many cases to bare midrobs,…
Silene dioica or the red campion was once known as Lychnis diurna and is a member of the Caryophyllaceae…
Growth of Flax seedling from a stem with two leaves and a bud, to a stem with several leaves and stem…
Epidendrum conopseum, a small Orchid, and Tillandsia usneoides, the so-called Long Moss or Black Moss,…
A young plant of the Houseleek, with the leaves (not yet expanded) numbered, and exhibiting the 13-ranked…
Compound cyme of Hydrangea arborescens, with neutral enlarged flowers round the circumference.
Series of bud-scales and foliage-leaves from a developing bud of the Low Sweet Buckeye, showing nearly…
Lower end of Maple root magnified, the root seen just as root-hairs are beginning to for a little behind…
Seedling Maple, of the natural size; the root well supplied with root hairs, here large enough to be…
Piece of a flowering-stem of Moneywort with single flower successively produced in the axils of the…
From left to right: Pinnate with odd leaflet, Pinnate with a tendril in place, Pinnate with even pairs.
From left to right: pinnately lobed, pinnately cleft, pinnately parted, pinnately divided.
Piece of a branch of Pitch Pine, with three leaves in a fascicle or bundle, in the axial of a thin scale,…
Red-Maple branch, with accessory buds placed side by side. The annular lines toward the base are scars…
The scammony (Convolvulus scammonia) is a flowering plant of the bindweed family. R, the root.
Shoot of Lilac, with winter buds; the two uppermost auxiliary ones strong; the terminal not developed.
Diagram of a simple cyme in which the axis lengthens, so as to take the form of a raceme.
Opposite leaves of Euonymus, or Spindle-tree, showing the successive pairs crossing each other at right…
Sweet-Potato plant forming thickened roots. Some in the middle are just beginning to thicken; one at…