They are among the most prized of trees for park and street planting, and nearly all of them become…
Here is a representation of two seeds of the maple, with their wings. They always grow in this way,…
This shows the axillary buds on a twig of Red Maple, they are opposite like the leaves.
A key or key-fruit (called by Botanists a Samara) is like an akene or nut, only it is winged. This is…
Place of the barricade, Ridgefield. This view is at the north end of the main street. It was taken from…
"The simplest kind of table was a round one with three legs. It is shown in the drinking scene painted…
"The maple spot gall, so common on the leaves of the red maple, is made by the fungus-gnat of the order…
A class of trees belonging to the genus acer, containing about eighty species, all of which are confined…
The name applied to a species of maple trees. It occurs in abundance in the western states, and is frequently…
One of the pair of keys or winged fruits of Red Maple; the seed-bearing portion cut open to show the…
Fruit of Silver Maple, Acer dasycarpum, of natural size, the seed-bearing portion divided to show seed.
Silver Maple seed open out, to show the thick cotyledons and the little plumule or bud between them.
Germination of Silver Maple, natural size; merely the base of the fruit, containing the seed, is shown.
Red-Maple branch, with accessory buds placed side by side. The annular lines toward the base are scars…
Seedling Maple, of the natural size; the root well supplied with root hairs, here large enough to be…
Lower end of Maple root magnified, the root seen just as root-hairs are beginning to for a little behind…
Piece of a stem of Soft Maple, of a year old, cut crosswise and lengthwise.
Magnified view of surface of a bit of young Maple wood from which the bark has been torn away, showing…
A Silver Maple embryo, taken out of the husk; upper part of growing stem cut off.
Surface of a young Maple wood from which the bark has been torn away, showing the bark (on the left)…
Cottony maple scale, Pulminaria innumerabilis, showing, at a, the female on a leaf and, at b, same on…
Leaves - simple, opposite; edge lobed, with the lobes very finely sharply toothed. Outline - rounded…
Leaves - simple; opposite; edge lobed, with the lobes very sparingly and coarsely sharp-toothed or the…
Leaves - simple; opposite; edge lobed, with the lobes very sparingly and coarsely sharp-toothed or the…
Leaves - simple; opposite; edge deeply lobed, with the lobes unequally notched and toothed. Outline…