The investing sheaths or dead leaf-bases striped off. The faint cross-lines represent the scars, where…
A ground leaf of White Lily, its base (cut across) thickened into a bulb-scale. This plainly shows that…
From left to right: Acuminate, Acute, Obtuse, Truncate, Retuse, Emarginate, Obcordate, Cuspidate, Mucronate.
From left to right: pinnately lobed, pinnately cleft, pinnately parted, pinnately divided.
From left to right: Pinnate with odd leaflet, Pinnate with a tendril in place, Pinnate with even pairs.
Series of bud-scales and foliage-leaves from a developing bud of the Low Sweet Buckeye, showing nearly…
Piece of a branch of Pitch Pine, with three leaves in a fascicle or bundle, in the axial of a thin scale,…
A young plant of the Houseleek, with the leaves (not yet expanded) numbered, and exhibiting the 13-ranked…
Opposite leaves of Euonymus, or Spindle-tree, showing the successive pairs crossing each other at right…
Piece of a flowering-stem of Moneywort with single flower successively produced in the axils of the…
Diagram of a simple cyme in which the axis lengthens, so as to take the form of a raceme.
Compound cyme of Hydrangea arborescens, with neutral enlarged flowers round the circumference.
Series of sepals, petals, and stamens of White Water-Lily, showing the transitions.
Stamens of the mint family. Of a Monarda: the two anther-cells with bases divergent so that they are…
A plant with large fleshy leaves that yields many products. It is a tall plant with a spiny top that…
A form of silicate that is found in great abundance throughout Europe. It is white and can be scratched…
A tree with white blossoms that are very aromatic. As an herb, it is used for culianry and medicinal…
A plant that varies in size but always has thick fleshy leaves that are spined. It also contains a juice…
A North American poisonous herb. The plant itself usually has a blossom between two large green fleshy…
Two simple carpals or pistil-leaves, united at the base only, cut across both above and below.
Section of mature fruit of Gaultheria, the berry-like calyx nearly enclosing the capsule.