Seedling of pine-seed, showing the freshly expanded six cotyledons in a whorl, and the plumule just appearing.

Seedling of Pine-seed

Seedling of pine-seed, showing the freshly expanded six cotyledons in a whorl, and the plumule just…

Eriocaulon setaceum is a plant species in the Eriocaulaceae family of pipeworts.

Pipewort

Eriocaulon setaceum is a plant species in the Eriocaulaceae family of pipeworts.

The upper side of an open pistil or scale from a forming Larch-cone.

Pistil

The upper side of an open pistil or scale from a forming Larch-cone.

The upper side of an open pistil or scale from a forming Larch-cone. The ovules becoming seeds.

Pistil

The upper side of an open pistil or scale from a forming Larch-cone. The ovules becoming seeds.

Pistil of Garden Gooseberry.

Pistil

Pistil of Garden Gooseberry.

Pistil of the flower of the Morning Glory.

Morning Glory Pistil

Pistil of the flower of the Morning Glory.

Pistil of the flower of the Morning Glory.

Morning Glory Pistil

Pistil of the flower of the Morning Glory.

"Heliamphora nutans. 1. the stamens and pistil; 2. the latter separate; 3. a cross section of the ovary; 4. a perpendicular section of a seed." -Lindley, 1853

Marsh Pitcher Plant

"Heliamphora nutans. 1. the stamens and pistil; 2. the latter separate; 3. a cross section of the ovary;…

A house plant with a tin can flower-pot, with pine-cone decoration.

Plant

A house plant with a tin can flower-pot, with pine-cone decoration.

A house plant win a cylindrical flower-pot made with tin cans.

Plant

A house plant win a cylindrical flower-pot made with tin cans.

Flowers in a simple tin can flower-pot.

Plant

Flowers in a simple tin can flower-pot.

Flowers in a tin can flower-pot covered with virgin cork.

Plant

Flowers in a tin can flower-pot covered with virgin cork.

An illustration of a group of decorative plants.

Decorative Plants

An illustration of a group of decorative plants.

The pod of Common Flax cut across.

Pod

The pod of Common Flax cut across.

"Phytolacca decandra. 1. its flower; 2. its stamens and pistil; 3. a section of a seed." -Lindley, 1853

Poke Root

"Phytolacca decandra. 1. its flower; 2. its stamens and pistil; 3. a section of a seed." -Lindley, 1853

"Seguiera floribunda. 1. a flower; 2. a perpendicular section of an ovary; 3. samaras." -Lindley, 1853

Pokeweed

"Seguiera floribunda. 1. a flower; 2. a perpendicular section of an ovary; 3. samaras." -Lindley, 1853

"Punica granatum; 2. perpendicular section of the ovary; 3. cross section of it near the base; 4. near the base." -Lindley, 1853

Pomegranate

"Punica granatum; 2. perpendicular section of the ovary; 3. cross section of it near the base; 4. near…

Also known as Punica granatum. The fruits are red and have the ability to grow through droughts. They tend to bloom between June and September, and grow up to 15 feet and 30 feet.

Pomegranate

Also known as Punica granatum. The fruits are red and have the ability to grow through droughts. They…

A dwarf form of the Rosa centifolia, having small flowers and leaves. The flowers are rose-purple with ovate, serrated leaves and scattered prickles.

Rosa Centifolia Pomponia

A dwarf form of the Rosa centifolia, having small flowers and leaves. The flowers are rose-purple with…

A pond weed.

Pond Weed

A pond weed.

A dense shrub with evergreen leaves and purple flowers, and is used as an ornamental plant. Honey produced with the pollen of the flowers of this plant have been known to be poisonous to human consumption. It is commonly found in Asia.

Rhododendron Ponticum

A dense shrub with evergreen leaves and purple flowers, and is used as an ornamental plant. Honey produced…

"Loudonia aurea. 1. a complete flower; 2. a section of the ovary." -Lindley. 1853

Common Popflower

"Loudonia aurea. 1. a complete flower; 2. a section of the ovary." -Lindley. 1853

"Romeria refracta. 1. its stamens and pistil; 2. a cross section of the ovary of Eschscholtzia californica; 3, 4, seeds of Papaver orientale." -Lindley, 1853

Spotted Asian Poppy

"Romeria refracta. 1. its stamens and pistil; 2. a cross section of the ovary of Eschscholtzia californica;…

"Zannichellia palustris. 1. A flower; 2. a cluster of ripe ovaries; 3. an ovary opened to exhibit the ovule; 4. a vertical section of a seed, showing the folded up embryo." -Lindley, 1853

Potamogetonaceae

"Zannichellia palustris. 1. A flower; 2. a cluster of ripe ovaries; 3. an ovary opened to exhibit the…

Section of a Potato-seed, showing the embryo coiled in the albumen.

Potato-seed

Section of a Potato-seed, showing the embryo coiled in the albumen.

Of the Evening Primrose family (Onograceae), the common evening primrose (OEnothera biennis).

Common Evening Primrose

Of the Evening Primrose family (Onograceae), the common evening primrose (OEnothera biennis).

"Ludwigia Jussiaeoides. 1. a flower with two sepals and all the petals cut off; 2. a calyx and inferior ovary; 3. a transverse section of the ovary; 4. a seed with the distinct raphe; 5. an embryo extracted." -Lindley. 1853

Wingleaf Primrosewillow

"Ludwigia Jussiaeoides. 1. a flower with two sepals and all the petals cut off; 2. a calyx and inferior…

Primula involucrata is a low-growing herb of the Primulaceae family.

Primula

Primula involucrata is a low-growing herb of the Primulaceae family.

Young pumpkin seedling.

Pumpkin Seedling

Young pumpkin seedling.

Embryo of Pumpkin-seed, partly open.

Pumpkin-Seed

Embryo of Pumpkin-seed, partly open.

An ornamental capital Q decorated with flowers and lines.

Floral Decorative Q

An ornamental capital Q decorated with flowers and lines.

An ornamental capital R decorated with flowers and lines.

Floral Decorative R

An ornamental capital R decorated with flowers and lines.

Of the Composite family (Compositae), the golden ragwort (Senecio aureus).

Golden Ragwort

Of the Composite family (Compositae), the golden ragwort (Senecio aureus).

Also known as Campanula rapunculus. "A hardy biennial, cultivated for the use of its fleshy roots in salads, either boiled or in a raw state, generally the latter; the leaves are also used in winter salads."—Nicholson, 1884

Rampion

Also known as Campanula rapunculus. "A hardy biennial, cultivated for the use of its fleshy roots in…

A large genus of about 600 species of plants, including buttercups and spearworts. They are mostly bright yellow or white, with a yellow center.

Garden Ranunculus

A large genus of about 600 species of plants, including buttercups and spearworts. They are mostly bright…

"Pangium edule. 1. a male flower; 2. an ovary with its sterile stamens; 3. a cross section of an ovary; 4. a perpendicular section of a seed." -Lindley, 1853

Raual

"Pangium edule. 1. a male flower; 2. an ovary with its sterile stamens; 3. a cross section of an ovary;…

This razor has a blade decorated with small flowers. Its handle is also used as its cover, and can be carried in a pocket.

Razor

This razor has a blade decorated with small flowers. Its handle is also used as its cover, and can be…

This razor has a blade decorated with small flowers. Its handle is also used as its cover, and can be carried in a pocket.

Razor

This razor has a blade decorated with small flowers. Its handle is also used as its cover, and can be…

This razor has a blade decorated with scrolls. Its handle is designed with leaves and a vase with flowers in the center.

Razor

This razor has a blade decorated with scrolls. Its handle is designed with leaves and a vase with flowers…

One of the pair of keys or winged fruits of Red Maple; the seed-bearing portion cut open to show the seed.

Red Maple

One of the pair of keys or winged fruits of Red Maple; the seed-bearing portion cut open to show the…

Embryo taken out and partly opened.

Red Maple Embryo

Embryo taken out and partly opened.

Seed enlarged, and divided to show the crumpled embryo which fills it.

Red Maple Seed

Seed enlarged, and divided to show the crumpled embryo which fills it.

The seeds of the Red Maple, Acer rubrum, (Keeler, 1915).

Red Maple Seed

The seeds of the Red Maple, Acer rubrum, (Keeler, 1915).

Seedling with stem joints and pair of leaves.

Red Maple Seedling

Seedling with stem joints and pair of leaves.

"Ribes rubrum. 1. perpendicular section of a flower; 2. cross section of the ovary; 3. seed; 4. a perpendicular section of it." -Lindley, 1853

Redcurrant

"Ribes rubrum. 1. perpendicular section of a flower; 2. cross section of the ovary; 3. seed; 4. a perpendicular…

"Bamboo-reed (Arundo donax). a, panicle; b, flowering scale, clothed with silky hairs; c, spikelet." -Whitney, 1911

Giant Reed

"Bamboo-reed (Arundo donax). a, panicle; b, flowering scale, clothed with silky hairs; c, spikelet."…

A flower that is native to eastern North American. It is either blue or white with leafy stems.

Polemonium Reptans

A flower that is native to eastern North American. It is either blue or white with leafy stems.

Reynard the Fox and Isegrim the wolf find a mare and her colt. Reynard asks the horse if she would sell her foal. She says the price is written on her foot. Isegrim looks closely at the mare's foot and she kicks him away.

Reynard the Fox: Hunting Horses

Reynard the Fox and Isegrim the wolf find a mare and her colt. Reynard asks the horse if she would sell…

"Rhabdia lycioides. 1. its flower; 2. the corolla opened; 3. a cross section of the ovary; 4. a perpendicular section of a seed." -Lindley, 1853

Rhabdia

"Rhabdia lycioides. 1. its flower; 2. the corolla opened; 3. a cross section of the ovary; 4. a perpendicular…

The rhododendron is a flowering plant of the heath family.

Rhododendron

The rhododendron is a flowering plant of the heath family.

"Rhododendron pumilum; 1. a calyx and pistil, with all stamens removed; 2. an anther; 3. a ripe capsule burst; 4. a vertical section of a seed." -Lindley, 1853

Rhododendron

"Rhododendron pumilum; 1. a calyx and pistil, with all stamens removed; 2. an anther; 3. a ripe capsule…

This silk ribbon has a repeating pattern of flowers and wheat.

Silk Ribbon

This silk ribbon has a repeating pattern of flowers and wheat.

the rose is one of the most prized of the cultivated ornamental forms.

Rose

the rose is one of the most prized of the cultivated ornamental forms.

A rose

Rose

A rose

A rose

Rose

A rose

Rosebud without petals.

Stylized Rose Bud

Rosebud without petals.

Rosebud without petals, cut open to reveal stamens.

Stylized Rose Bud

Rosebud without petals, cut open to reveal stamens.

Anastatica hierochuntina or the Rose of Jericho is member of the Brassicaceae family.

Rose of Jericho

Anastatica hierochuntina or the Rose of Jericho is member of the Brassicaceae family.

Also known as Rosa multiflora. It is a shrub which grows small corymbs of flowers. It is native to eastern Asia and is considered an invasive species.

Multiflora Rose

Also known as Rosa multiflora. It is a shrub which grows small corymbs of flowers. It is native to eastern…

Some of them are beautiful evergreen flowering shrubs and ornamental in gardens.

Rock Rose

Some of them are beautiful evergreen flowering shrubs and ornamental in gardens.