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The basal portion of the pistil in which the seeds or ovules are bourne.

Ovary

The basal portion of the pistil in which the seeds or ovules are bourne.

Having an outline like that of an egg, with the broadest part downward.

Ovate

Having an outline like that of an egg, with the broadest part downward.

A cluster of ovules, pendulous on their funicles

Ovules

A cluster of ovules, pendulous on their funicles

A fern with short, ovate fronds.

Polypodium Lycopodioides Owariense

A fern with short, ovate fronds.

Also known as Salix lucida. The branch of a Pacific Willow tree, native to wetland habitats in northern and western North America.

Branch of Pacific Willow

Also known as Salix lucida. The branch of a Pacific Willow tree, native to wetland habitats in northern…

Palmate leaf of five leaflets of the Sweet Buckeye.

Palmate Leaf

Palmate leaf of five leaflets of the Sweet Buckeye.

From left to right: Three Lobed, Three Cleft, Three Parted, Three Divided.

Palmately Leaves

From left to right: Three Lobed, Three Cleft, Three Parted, Three Divided.

"Dorystigma. 1. a corolla laid open; 2. calyx and pistil; 3. seed; 4. section of ditto." -Lindley, 1853

Pandanus

"Dorystigma. 1. a corolla laid open; 2. calyx and pistil; 3. seed; 4. section of ditto." -Lindley, 1853

An irregularly compund flower cluster with stalked flowers.

Panicle

An irregularly compund flower cluster with stalked flowers.

Diagram of a simple panicle.

Panicle

Diagram of a simple panicle.

This trellis parapet is a design of scrolls and leaves.

Trellis Parapet

This trellis parapet is a design of scrolls and leaves.

This trellis parapet is a design of scrolls and leaves.

Trellis Parapet

This trellis parapet is a design of scrolls and leaves.

Piece of thallus of Parmelia conspersa, with section through an apothecium.

Parmelia

Piece of thallus of Parmelia conspersa, with section through an apothecium.

The common names of passiflora edulis are passion flower and passion fruit. Edulis is edible. The fruit is a livid purple color when ripe. The pulp is orange colored and has a taste resembling the flavor of an orange.

Fruit and Leaves of Passiflora Edulis

The common names of passiflora edulis are passion flower and passion fruit. Edulis is edible. The fruit…

The common names of passiflora are passion flower and passion fruit. The racemosa variety has deep red or scarlet flowers. The flowers bloom March to October.

Leaf and Inflorescence of Passiflora Racemosa

The common names of passiflora are passion flower and passion fruit. The racemosa variety has deep red…

"Passiflora; 1. section of a flower; 2. of its ripe fruit." -Lindley, 1853

Passion Flower

"Passiflora; 1. section of a flower; 2. of its ripe fruit." -Lindley, 1853

Longitudinal section of a peach, showing flesh, stone, and seed.

Peach

Longitudinal section of a peach, showing flesh, stone, and seed.

Also known as Salix amygdaloides. The branch of a Peachleaf Willow tree, native to southern Canada and northern United States.

Branch of Peachleaf Willow

Also known as Salix amygdaloides. The branch of a Peachleaf Willow tree, native to southern Canada and…

Longitudinal and transverse sections of a pear.

Pear

Longitudinal and transverse sections of a pear.

Rosetelia cancellata fungi causes the leaves to become covered with large, raised spots that are deep red.

Pear Leaves Attacked by Roestelia Cancellata

Rosetelia cancellata fungi causes the leaves to become covered with large, raised spots that are deep…

This pedestal is designed with four figures and leaves. It is used to display a vase or small sculpture.

Pedestal

This pedestal is designed with four figures and leaves. It is used to display a vase or small sculpture.

A stalk of a single flower.

Pedicel

A stalk of a single flower.

Petiole attached notat margin of leaf but in the middle of the lower surface.

Peltate

Petiole attached notat margin of leaf but in the middle of the lower surface.

Of the Figwort family (Scrophulariaceae), the pentstemon (Penstemon hirsutus).

Pentstemon

Of the Figwort family (Scrophulariaceae), the pentstemon (Penstemon hirsutus).

"Serronia Jaborandi. 1. a cluster of flowers magnified; 2. a ripe fruit; 3. a vertical section of the same, showing the seed and position of the embyo." -Lindley, 1853

Pepper

"Serronia Jaborandi. 1. a cluster of flowers magnified; 2. a ripe fruit; 3. a vertical section of the…

The calyx and corolla taken together.

Perianth

The calyx and corolla taken together.

A member of the inner circle of flower parts; often colored and showy.

Petal

A member of the inner circle of flower parts; often colored and showy.

Enlarged petal of the Barberry, (Gray, 1858).

Barberry Petal

Enlarged petal of the Barberry, (Gray, 1858).

The stalk of a leaf.

Petiole

The stalk of a leaf.

Petunia violacea or the violetflower petunia is a trumpet shaped flowering plant of the Solanaceae family.

Violetflower Petunia

Petunia violacea or the violetflower petunia is a trumpet shaped flowering plant of the Solanaceae family.

Phlox subulata frondosa is a very vigorous variety with lilac-rose flowers.

Habit and Detached Flower and Leaves of Phlox Subulata Frondosa

Phlox subulata frondosa is a very vigorous variety with lilac-rose flowers.

A stout fern with brown scales. Fronds range between 1 foot and 3 feet in length, and 1 inch in width.

Polypodium Phyllitidis

A stout fern with brown scales. Fronds range between 1 foot and 3 feet in length, and 1 inch in width.

Single plant of Physcomitrium pyriforme.

Physcomitrium

Single plant of Physcomitrium pyriforme.

Spore-case of a Physcomitrium Pyriforme.

Physcomitrium Pyriforme

Spore-case of a Physcomitrium Pyriforme.

Detached calyptra of a Physcomitrium Pyriforme.

Physcomitrium Pyriforme

Detached calyptra of a Physcomitrium Pyriforme.

Spore-case and detached lid of a Physcomitrium Pyriforme.

Physcomitrium Pyriforme

Spore-case and detached lid of a Physcomitrium Pyriforme.

The Corinthian pilaster capital is an Italian Renaissance design found in the Palace of the Doges in Venice, Italy. This pilaster is broader in proportion to its height and is encircled with palmette leaves, and spiral scroll like ornaments.

Corinthian Pilaster Capital

The Corinthian pilaster capital is an Italian Renaissance design found in the Palace of the Doges in…

The Corinthian pilaster capital is an Italian Renaissance design found in the Palace of the Doges in Venice, Italy. This pilaster is broader in proportion to its height and is encircled with palmette leaves, and spiral scroll like ornaments.

Corinthian Pilaster Capital

The Corinthian pilaster capital is an Italian Renaissance design found in the Palace of the Doges in…

The Greek Doric pilaster capital is found in the ancient Greek temple of Erechtheum in Athens. It has an egg-and-dart design that runs under the abacus. Directly beneath that is decorated with leaves and rosettes.

Greek Doric Pilaster Capital

The Greek Doric pilaster capital is found in the ancient Greek temple of Erechtheum in Athens. It has…

An illustration of a Pilocarpus branch.

Pilocarpus Branch

An illustration of a Pilocarpus branch.

An illustration of a Pilocarpus leaf.

Pilocarpus Leaf

An illustration of a Pilocarpus leaf.

A wide-creeping fern with squarrose scales. Fertile fronds are narrow and long, whereas the barren ones are oblong, between 1 inch and 3 inches long.

Polypodium Piloselloides

A wide-creeping fern with squarrose scales. Fertile fronds are narrow and long, whereas the barren ones…

"Brunonia sericea. 1. a complete flower; 2. the pistil; 3. a ripe fruit; 4. embryo." -Lindley, 1853

Blue Pincushion

"Brunonia sericea. 1. a complete flower; 2. the pistil; 3. a ripe fruit; 4. embryo." -Lindley, 1853

"Cone of Pinus muricata, showing the difference between the outer and inner sides of the same strobilius when the inner side is pressed against a branch. 1. A pair of leaves; 2. the end of the leaf magnified; 3, a seed, natural size." -Lindley, 1853

Bishop Pine

"Cone of Pinus muricata, showing the difference between the outer and inner sides of the same strobilius…

From left to right: Pinnate with odd leaflet, Pinnate with a tendril in place, Pinnate with even pairs.

Pinnate Leaves

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.

Pinnately Leaves

From left to right: pinnately lobed, pinnately cleft, pinnately parted, pinnately divided.

The seed-bearing part of a flower.

Pistil

The seed-bearing part of a flower.

A simple pistil (of Isopyrm), with ovary cut across; the inner (ventral) face turned toward the eye: the ovules seem to be borne on the ventral suture, answering to leaf-margins: the stigma above seen also to answer to leaf margins.

Pistil

A simple pistil (of Isopyrm), with ovary cut across; the inner (ventral) face turned toward the eye:…

A pistil, that is, a scale of the cone, of a Larch, at the time of flowering; inside view, showing its pair of naked ovules.

Pistil

A pistil, that is, a scale of the cone, of a Larch, at the time of flowering; inside view, showing its…

Pistil of Geranium or Cranesbill

Pistil

Pistil of Geranium or Cranesbill

Pistil of Geranium or Cranesbill, ripe, with the five carpels splitting away from the long beak (carpophore), and hanging from its top by their recurving styles.

Pistil

Pistil of Geranium or Cranesbill, ripe, with the five carpels splitting away from the long beak (carpophore),…

Piece of a branch of Pitch Pine, with three leaves in a fascicle or bundle, in the axial of a thin scale, which answers to a primary leaf. The bundle is surrounded at the base by a short sheath, formed of the delicate scales of the auxiliary bud.

Pitch Pine

Piece of a branch of Pitch Pine, with three leaves in a fascicle or bundle, in the axial of a thin scale,…

"Morphology of Pitchers. A, ordinary leaf of Cephalotus; B, monstrous leaf with spoon-shaped depression; C and D, other abnormal forms more deeply pouched, showing formation of pitcher; E, ordinary pitcher of Cephalotus; F, pitcher of Nepenthes; G, pitcher of Sarracenia; a, apex of leaf." — The Encyclopedia Britannica, 1893

Pitchers

"Morphology of Pitchers. A, ordinary leaf of Cephalotus; B, monstrous leaf with spoon-shaped depression;…

"This pruning or shortening of the roots causes the production of a new set of fibres from the severed ends. It also causes other roots to push out near the crown, and if a plant thus pruned be taken up in a few weeks after planting, its roots will appear somewhat as shown." —Fuller, 1910

Plant with Roots Pruned

"This pruning or shortening of the roots causes the production of a new set of fibres from the severed…

Spike of the common Plantain or Ribwort.

Plantain

Spike of the common Plantain or Ribwort.

Unlike Chinese tea making methods (which involve plucking only three leaves), Indian methods are shown to pluck up to six leaves.

Plucked Tea Leaves (Six)

Unlike Chinese tea making methods (which involve plucking only three leaves), Indian methods are shown…

Leaves are plucked from a bush and a man carries them to the drying house.

Plucking Leaves

Leaves are plucked from a bush and a man carries them to the drying house.

Pod or simple pistil of Caltha or Marsh-Marigold, which has opened and shed its seeds.

Pod

Pod or simple pistil of Caltha or Marsh-Marigold, which has opened and shed its seeds.

"Polypodium widely distributed throughout the world, but specially developed in the tropics. The species differ greatly in size and general appearance and in the character of the frond; the sori or groups of spore—cases (sporangia) are borne on the back of the leaf, are globose and naked, that is, are not covered with a membrane (indusium)." —Encyclopaedia Britannica Company, 1910

Common Polypody Leaf with Sori

"Polypodium widely distributed throughout the world, but specially developed in the tropics. The species…

A Common Polypody, or Polypodium vulgare, leaf and root. The fern is commonly found on walls, river banks, and trees. On the leaf, the common polypody will develop a few spots, called sori, over time.

Leaf and Root of Common Polypody

A Common Polypody, or Polypodium vulgare, leaf and root. The fern is commonly found on walls, river…