Three-ranked arrangement, shown in a piece of the stalk of a Sedge, with the leaves cut off above their…
Three-ranked arrangement, shown in a piece of the stalk of a Sedge. Diagram or cross-section, in one…
Diagram of a shoot with its leaves 5-ranked, with a spiral line drawn from the attachment of one leaf…
A ground-plan of the 5-ranked shoot; the section of the leaves; a dotted line drawn from the edge of…
A raceme, with a general peduncle, pedicels, bracts, and bractlets. Plainly the bracts here answer to…
Diagram of opposite-leaved plant with a cyne of three flowers; a the first flower, of the main…
Diagram of opposite-leaved plant with a cyne of three flowers; a the first flower, of the main…
Parts of the same, two of each kind, separated and displayed; the torus or receptacle in the centre;…
Diagram of flower of Trillium. In this, as in all such diagrams of cross-section of blossoms, the parts…
Its calyx and corolla displayed: the five smaller parts are the sepals; the five intervening larger…
Its calyx and corolla displayed; the five large parts are the sepals; the four smaller, of two shapes,…
Its parts displayed: five speals, the upper forming the hood; the two lateral alike, broad and flat;…
A slice of the head of flowers of a Coreopsis, with one tubular perfect flower (a) left standing on…
Diagram of a flower of Linden, showing the calyx valvate and corolla imbricate in the bud, etc.
Upper part of corolla of Datura Stramonium in the bud; and below a section showing the convolution of…
Diagram of the lower part of an anther, cut across above, and the upper part of a leaf, to show how…
One of the partial pollinia, torn up at top to show the grains (which are each composed of four).
An inrolled small leaf, such as in double-flowered Cherry blossoms is often seen to occupy the place…
A simple pistil (of Isopyrm), with ovary cut across; the inner (ventral) face turned toward the eye:…
Plan of a one-celled ovary of three carpel-leaves, with parietal placentae, cut across below, where…
Cross section of an ovary of Hypericum graveolens with the placentae now separate and rounded.
A pistil, that is, a scale of the cone, of a Larch, at the time of flowering; inside view, showing its…
Branchlet of the American Arbor-Vitae, considerably larger than in nature, terminated by its pistillate…
One of the scales or carpels of the American Arbor-Vitae, the inside exposed to view, showing a pair…