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.
Caulicle well lengthened and root beginning; thick cotyledons partly spreading; plumule (pair of leaves)…
Beginning germination of the Beech, showing the plumule growing before the cotyledons have opened or…
Older beech with the plumule-leaves developing, and elevated on a long internodes.
Embryo of pea, i.e. a pea with the coats removed; the short and thick caulicle presented to view.
Pea germination: the plumule has developed four or five internodes, bearing single leaves; but the first…
Half of an acorn, cut lengthwise, filled by the very thick cotyledons, the base of which encloses the…
Half of a horse-chestnut, similarly cut; the caulicle is curved down on the side of one of the thick…
Horse-chestnut in germination; footstalks are formed to the cotyledons, pushing out in their lengthening…
Seed of Morning Glory divided, moderately magnified; shows a longitudinal section through the centre…
A genus of plants or shrubs, mostly tropical, two species of which arecharacterized by large white flowers…
Embryo taken out whole and unfolded; the broad and very thin cotyledons notched at summit; the caulicle…
Seedling of Morning Glory more advanced (root cut away); cotyledons well developed into foliage-leaves:…
Section of the seed of Mirabilis or Four-o'clock, showing the embryo coiled round the outside of the…
Section of a Pine-seed, showing its polycotyledonous embryo in the centre of the albumen; moderately…
Seedling of pine-seed, showing the freshly expanded six cotyledons in a whorl, and the plumule just…
Section of a seed of the Iris, or Flower-de-Luce, enlarged, showing its small embryo in the albumen,…
A germinating seedling of the Iris, its plumule developed into the first four leaves (alternate), the…
Shoot of Horse-chestnut, of one year's growth, taken in autumn after the leaves have fallen; showing…
An auxiliary bud, concealed under the hollowed base of the leafstalk, in Buttonwood or Plane-tree.
Shoot of Lilac, with winter buds; the two uppermost auxiliary ones strong; the terminal not developed.
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…
Sweet-Potato plant forming thickened roots. Some in the middle are just beginning to thicken; one at…
Epidendrum conopseum, a small Orchid, and Tillandsia usneoides, the so-called Long Moss or Black Moss,…
Roots of Yellow Gerardia, some attached to and feeding on the root of Blueberry-bush.
A branching thorn of Honey Locust, being an indurate leafless branch developed from an accessory bud…
Spine of Cockspur Thorn developed from an auxiliary bud, as the leaf-scar below witnesses: an accessory…
Rootstock of Solomon's Seal, with the bottom of the stalk of the season, and the bud for the next year's…