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A diagram consisting of a section of a span-roofed pit. These pits are useful for plant culture. A, Ordinary Soil; b, Passage; c, Heated Chambers; d, Plunging Beds; e, Hot-Water Pipes.

Section of Span-Roofed Pit

A diagram consisting of a section of a span-roofed pit. These pits are useful for plant culture. A,…

"Nepenthes distillatoria. 1. male; 2. female; 3. ripe fruit; 4. a section of a seed very highly magnified." -Lindley, 1853

Pitcher Plant

"Nepenthes distillatoria. 1. male; 2. female; 3. ripe fruit; 4. a section of a seed very highly magnified."…

"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;…

"Pyxidanthera barbulata. 1. corolla cut open; 2. perpendicular section of the ovary; 3. anther; 4. seed; 5. embryo." -Lindley, 1853

Flowering Pixiemoss

"Pyxidanthera barbulata. 1. corolla cut open; 2. perpendicular section of the ovary; 3. anther; 4. seed;…

Buds covered with overlapping scales; fruit warty.

Planera

Buds covered with overlapping scales; fruit warty.

Ivy (aerial roots).

Plant

Ivy (aerial roots).

A doodad with a plant in a shallow pot.

Plant doodad

A doodad with a plant in a shallow pot.

"The glass roof is commonly designed so as to form a uniform plane or slope from back to front in lean-to houses, and form center to sides in span-roofed houses. In some cases, however, the roof sashes are fitted up on the ridge-and-furrow principle invented by Sir Joseph Paxton." — Encyclopedia Britannica, 1893

Plant House

"The glass roof is commonly designed so as to form a uniform plane or slope from back to front in lean-to…

"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…

Alfalfa or Lucerne (Medicago sativa) is a flowering plant in the pea family Fabaceae cultivated as an important forage crop. It is a wheat reguiring great heat and sunlight. It resembles clover with clusters of small purple or pale blue flowers that have two or three twirls. The leaflets are in threes, obovate, oblong, and toothed. The fruit n downy pods, and has two to three twirls.

Lucerne or Alfalfa Plant

Alfalfa or Lucerne (Medicago sativa) is a flowering plant in the pea family Fabaceae cultivated as an…

Alfalfa or Lucerne (Medicago sativa) is a flowering plant in the pea family Fabaceae cultivated as an important forage crop. It is a wheat reguiring great heat and sunlight. It resembles clover with clusters of small purple or pale blue flowers, shown here, that have two or three twirls. The leaflets are in threes, obovate, oblong, and toothed. The fruit n downy pods, and has two to three twirls.

Lucerne or Alfalfa Plant

Alfalfa or Lucerne (Medicago sativa) is a flowering plant in the pea family Fabaceae cultivated as an…

Alfalfa or Lucerne (Medicago sativa) is a flowering plant in the pea family Fabaceae cultivated as an important forage crop. It is a wheat reguiring great heat and sunlight. It resembles clover with clusters of small purple or pale blue flowers that have two or three twirls. The leaflets are in threes, obovate, oblong, and toothed. The fruit n downy pods, as shown here, have two to three twirls.

Lucerne or Alfalfa Plant

Alfalfa or Lucerne (Medicago sativa) is a flowering plant in the pea family Fabaceae cultivated as an…

Red Clover (Trifolium pratense) is a species of clover. The Red Clover can readily be distinguished by the arrangement and number of its leaves in three leaflets, and flowers in dense oblong or globular heads. It is widely grown as a fodder crop. There are many varities, some of which being, biennial an another perennial.

Red Clover

Red Clover (Trifolium pratense) is a species of clover. The Red Clover can readily be distinguished…

Red Clover (Trifolium pratense) is a species of clover. The Red Clover can readily be distinguished, as shown here, by the arrangement and number of its leaves in three leaflets, and flowers in dense oblong or globular heads. It is widely grown as a fodder crop. There are many varities, some of which being, biennial an another perennial.

Red Clover

Red Clover (Trifolium pratense) is a species of clover. The Red Clover can readily be distinguished,…

Red Clover (Trifolium pratense) is a species of clover. The Red Clover can readily be distinguished by the arrangement and number of its leaves in three leaflets, and flowers in dense oblong or globular heads. It is widely grown as a fodder crop. There are many varities, some of which being, biennial an another perennial. The fruit of the clover plant is shown here.

Red Clover

Red Clover (Trifolium pratense) is a species of clover. The Red Clover can readily be distinguished…

Sainfion (Hedysarum onobrychis), a hay, is a leguminous plant with many straggling, tapering, smooth, stems growing from two to three feet long. The leaves are in pairs of pointed, oblong leaflets with a slightly hairy underside. The flower stalks are higher than the leaves, ending in a spike of flowers. The flowers are succeeded by flat, hard pods, toothed on the edges and prickly on the sides. The root is perennial, hard, and woody. The Saifoin flowers in July. The fruit or seed is said to be more nutritious than oats.

Sainfoin

Sainfion (Hedysarum onobrychis), a hay, is a leguminous plant with many straggling, tapering, smooth,…

Sainfion (Hedysarum onobrychis), a hay, is a leguminous plant with many straggling, tapering, smooth, stems growing from two to three feet long. The leaves are in pairs of pointed, oblong leaflets with a slightly hairy underside. The flower stalks are higher than the leaves, ending in a spike of flowers. The flower is shown here. The flowers are succeeded by flat, hard pods, toothed on the edges and prickly on the sides. The root is perennial, hard, and woody. The Saifoin flowers in July. The fruit or seed is said to be more nutritious than oats.

Sainfoin

Sainfion (Hedysarum onobrychis), a hay, is a leguminous plant with many straggling, tapering, smooth,…

Sainfion (Hedysarum onobrychis), a hay, is a leguminous plant with many straggling, tapering, smooth, stems growing from two to three feet long. The leaves are in pairs of pointed, oblong leaflets with a slightly hairy underside. The flower stalks are higher than the leaves, ending in a spike of flowers. The flowers are succeeded by flat, hard pods, toothed on the edges and prickly on the sides. The root is perennial, hard, and woody. The Saifoin flowers in July. The fruit or seed, shown here, is said to be more nutritious than oats.

Sainfoin

Sainfion (Hedysarum onobrychis), a hay, is a leguminous plant with many straggling, tapering, smooth,…

This plant is usually bright red and commonly seen in western parts of North America.

Snow Plant

This plant is usually bright red and commonly seen in western parts of North America.

An image of a strawberry plant in flower. There are numerous short Stamens that are readily accessible to insects.

Strawberry Plant

An image of a strawberry plant in flower. There are numerous short Stamens that are readily accessible…

The White Clover ((Trifolium repens) stems are spreading, slender and creeping. The leaves are are inversely heart-shaped, the flower-heads are small and white. The White Clover can easily accomadate itself to a great variety of soils, but grows most luxuriantly in moist grounds and moist or wet seasons.

White Clover

The White Clover ((Trifolium repens) stems are spreading, slender and creeping. The leaves are are inversely…

The White Clover ((Trifolium repens) stems are spreading, slender and creeping. The leaves are are inversely heart-shaped, the flower-heads are small and white. The White Clover can easily accomadate itself to a great variety of soils, but grows most luxuriantly in moist grounds and moist or wet seasons. This flower is magnified.

White Clover

The White Clover ((Trifolium repens) stems are spreading, slender and creeping. The leaves are are inversely…

"For the shifting of very large tub-plants, a box or tub with moveable sides is handy and efficient." — Baily, 1898

Plant-box

"For the shifting of very large tub-plants, a box or tub with moveable sides is handy and efficient."…

The Chilian plant-cutter frequents the wooded parts of the country, where they feed on buds, fruits and herbage. They frequently destroy farmers crops.

Chilian plant-cutter

The Chilian plant-cutter frequents the wooded parts of the country, where they feed on buds, fruits…

The Musa paradisiaca or plantain, when in fruit.

Plantain

The Musa paradisiaca or plantain, when in fruit.

An illustration of a plantain plant. The plantain is a crop in the genus Musa and is generally used for cooking, in contrast to the soft, sweet banana (which is sometimes called the dessert banana).

Plantain Flower

An illustration of a plantain plant. The plantain is a crop in the genus Musa and is generally used…

An illustration of a section of a plantain flower.

Plantain Flower (Section)

An illustration of a section of a plantain flower.

An illustration of a plantain plant flower and bract. In botany, a bract is a modified or specialized leaf. Bracts are ordinarily associated with reproductive structures (subtending flowers, inflorescence axes, or cone scales). They are ordinarily reduced in size relative to foliage leaves, or of a different color or texture from foliage leaves, or both.

Plantain Flower and Bract

An illustration of a plantain plant flower and bract. In botany, a bract is a modified or specialized…

"Plantago lanceolata. 1. flower and bract; 2. pistil; 3. ovary cut across; 4. seed; 5. section of it." -Lindley, 1853

Ribwort Plantain

"Plantago lanceolata. 1. flower and bract; 2. pistil; 3. ovary cut across; 4. seed; 5. section of it."…

The Cole corn planter, well-suited for planting large acreages of corn.

Cole Corn Planter

The Cole corn planter, well-suited for planting large acreages of corn.

"For large plants, a broader dibber may be used." — Baily, 1898

Strawberry planter

"For large plants, a broader dibber may be used." — Baily, 1898

"Fortunaea chinensis; 1. a female cone; 2. ripe nut; 3. perpendicular section of do.; 4. female flower; 5. male flower." -Lindley, 1853

Platycarya

"Fortunaea chinensis; 1. a female cone; 2. ripe nut; 3. perpendicular section of do.; 4. female flower;…

Leaves aromatic when crushed.

Pluchea

Leaves aromatic when crushed.

"Prunus domestica. 1. a section of its drupe; 2. a section of the endocarp, showing the position of the seed." -Lindley, 1853

Plum

"Prunus domestica. 1. a section of its drupe; 2. a section of the endocarp, showing the position of…

Simple pistil of Podophyllum, cut across, showing ovules borne on placenta.

Podophyllum

Simple pistil of Podophyllum, cut across, showing ovules borne on placenta.

An illustration of poison hemlock.

Poison hemlock

An illustration of poison hemlock.

"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

An illustration of poke weed.

Poke weed

An illustration of poke weed.

"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

Magnified pollen of a Lily, smooth and oval.

Pollen

Magnified pollen of a Lily, smooth and oval.

Pollen of Echinocystis, grooved lengthwise.

Pollen

Pollen of Echinocystis, grooved lengthwise.

Pollen of Sicyos, with bristly points and smooth bands.

Pollen

Pollen of Sicyos, with bristly points and smooth bands.

Pollen of Musk Plant (Mimulus), with spiral grooves.

Pollen

Pollen of Musk Plant (Mimulus), with spiral grooves.

Pollen of Succory, twelve-sided and dotted.

Pollen

Pollen of Succory, twelve-sided and dotted.

Flowers yellow, not in button-like heads nor with bristly-margined leaves.

Polygala

Flowers yellow, not in button-like heads nor with bristly-margined leaves.

flowers in terminal clusters which may be compound.

Polygala

flowers in terminal clusters which may be compound.

Stems with a sheath just above attachment point of leaf; flowers individually small, white to pink.

Polygonum

Stems with a sheath just above attachment point of leaf; flowers individually small, white to pink.

Sheaths around stem above each point of leaf-attachment; flowers white to red, not fragrant.

Polygonum

Sheaths around stem above each point of leaf-attachment; flowers white to red, not fragrant.

Plant with narrower leaves, none basal; flowers sessile, in terminal spikes.

Polygonum

Plant with narrower leaves, none basal; flowers sessile, in terminal spikes.

"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…

Diagram showing how plants fill ponds from the sides and top.

Pond Diagram

Diagram showing how plants fill ponds from the sides and top.

Also known as Annona glabra. A branch of a Pond-Apple tree, native to the southeast United States and the Caribbean.

Branch of Pond-Apple

Also known as Annona glabra. A branch of a Pond-Apple tree, native to the southeast United States and…

Leaves with blunt lobes; flower conspicuous, purple, not on a fleshy axis enclosed in a leaf-like sheath.

Pontederia

Leaves with blunt lobes; flower conspicuous, purple, not on a fleshy axis enclosed in a leaf-like sheath.

Leaves mostly basal, heart shaped; flowers purple.

Pontederia

Leaves mostly basal, heart shaped; flowers purple.

Flowers many; leaves large, over 10cm long.

Pontederia

Flowers many; leaves large, over 10cm long.

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

This illustration shows a poppy flower with its petals removed.

Poppy, Petals Removed

This illustration shows a poppy flower with its petals removed.

"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;…