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"1. Hydrangeaa virens and its flower. 2. seed-vessel of H. hortensis; 3. its seed; 4. a section of it." -Lindley, 1853

Hydrangea

"1. Hydrangeaa virens and its flower. 2. seed-vessel of H. hortensis; 3. its seed; 4. a section of it."…

Compound cyme of Hydrangea arborescens, with neutral enlarged flowers round the circumference.

Hydrangea arborscens

Compound cyme of Hydrangea arborescens, with neutral enlarged flowers round the circumference.

"Hypericum floribundum; 1. an entire flower; 2. a bundle of stamens; 3. a pistil with 3 carpels; 4. a seed laid horizontally and cut through, to show the embryo and netted testa; 5. a piece of a leaf with transparent dots." -Lindley, 1853

Hypericum

"Hypericum floribundum; 1. an entire flower; 2. a bundle of stamens; 3. a pistil with 3 carpels; 4.…

Cross section of an ovary of Hypericum graveolens with the placentae now separate and rounded.

Hypericum graveolens

Cross section of an ovary of Hypericum graveolens with the placentae now separate and rounded.

The double peristome of a Hypnum.

Hypnum

The double peristome of a Hypnum.

"Hypocyrta gracilis. 1. section of a flower; 2. cross section of a fruit; 3. seed with it embryo exposed to view." -Lindley, 1853

Hypocyrta

"Hypocyrta gracilis. 1. section of a flower; 2. cross section of a fruit; 3. seed with it embryo exposed…

"Cetraria islandica: a a. its shields; b. a shield magnified and divided vertically." -Lindley, 1853

Iceland Moss

"Cetraria islandica: a a. its shields; b. a shield magnified and divided vertically." -Lindley, 1853

"Mesembryanthemum. 1. its fruit; 2. the same opened; 3. a seed; 4. the same divided perpendicularly." -Lindley, 1853

Icicle Plant

"Mesembryanthemum. 1. its fruit; 2. the same opened; 3. a seed; 4. the same divided perpendicularly."…

Grafting is a horticultural operation which consists in placing together the two cut surfaces of different plants in such a way that they shall unite and become an organic unity. The rooted plant which is to receive the graft is called the 'stock'; the cutting which is to be applied to the stock, and to obtain its nourishment from it, is called the 'scion'. This illustration shows the In-arching method of grafting. This method is also known as Grafting by Approach.

In-Arching (Grafting)

Grafting is a horticultural operation which consists in placing together the two cut surfaces of different…

Some cells of the albumen or floury part of Indian Corn, filled with starch-grains.

Indian Corn

Some cells of the albumen or floury part of Indian Corn, filled with starch-grains.

Spadix and spathe of the Indian Turnip; the latter cut through below.

Indian Turnip

Spadix and spathe of the Indian Turnip; the latter cut through below.

Grafting is a horticultural operation which consists in placing together the two cut surfaces of different plants in such a way that they shall unite and become an organic unit. The rooted plant which is to receive the graft is called the 'stock'; the cutting which is to be applied to the stock, and to obtain its nourishment from it, is called the 'scion'. This illustration shows the inlaying method of grafting.

Inlaying (Grafting)

Grafting is a horticultural operation which consists in placing together the two cut surfaces of different…

Ione bicolor, a species in the Orchid family.

Ione

Ione bicolor, a species in the Orchid family.

"Richardsonia scabra. 1. an ovary with its calyx; 2. a corolla; 3. a vertical section of a seed, with an erect embryo in copious albumen." -Lindley, 1853

Ipecacuanha

"Richardsonia scabra. 1. an ovary with its calyx; 2. a corolla; 3. a vertical section of a seed, with…

Rootstock and equitant leaves of Iris.

Iris

Rootstock and equitant leaves of Iris.

A section across the cluster of leaves at the bottom, showing the equitation.

Iris cluster

A section across the cluster of leaves at the bottom, showing the equitation.

A germinating seedling of the Iris, its plumule developed into the first four leaves (alternate), the first one rudimentary; the cotyledon remains in the seed.

Iris Germinating

A germinating seedling of the Iris, its plumule developed into the first four leaves (alternate), the…

Capsule of Iris, with loculicidal dehiscence; below, cut across.

Capsule of Iris

Capsule of Iris, with loculicidal dehiscence; below, cut across.

Iris germanica or German Iris and the ripe capsule of an Iris.

German Iris

Iris germanica or German Iris and the ripe capsule of an Iris.

Plant of Isoetes

Isoetes

Plant of Isoetes

Base of a leaf and contained sporocarp filled with microspores cut across.

Isoetes

Base of a leaf and contained sporocarp filled with microspores cut across.

Base of a leaf and contained sporocarp filled with microspores cut lengthwise.

Isoetes

Base of a leaf and contained sporocarp filled with microspores cut lengthwise.

Section of a spore-case containing macrospores

Isoetes

Section of a spore-case containing macrospores

"1. Hedera Helix; 2. a flower of Dimorphanthus edulis; 3. perpendicular section of the ovary; 4. undivided ovary; 5. ripe fruit; 6. cross section of it; 7. section of seed of H. Helix." -Lindley, 1853

Ivy

"1. Hedera Helix; 2. a flower of Dimorphanthus edulis; 3. perpendicular section of the ovary; 4. undivided…

A plant yielding Jalap

Jalap

A plant yielding Jalap

A tree which produces dark red flowers and fragrant green leaves. The leaves are oval and serrated. They are native to Japan.

Pyrus Japonica

A tree which produces dark red flowers and fragrant green leaves. The leaves are oval and serrated.…

An oval basket used to hold decorative plants and flowers

Oval Jardiniere

An oval basket used to hold decorative plants and flowers

A square basket used to hold decorative plants and flowers.

Square Jardiniere

A square basket used to hold decorative plants and flowers.

"Jasminum ligustrifolium. 1. a corolla cut open; 2. vertical section of the ovary; 3. section of a seed of Nytanthes." -Lindley, 1853

Jasmine

"Jasminum ligustrifolium. 1. a corolla cut open; 2. vertical section of the ovary; 3. section of a seed…

Juncus acutiflorus belongs to a genus of grass-like herbs (Juncus) that grow in boggy places.

Juncus Acutiflorus

Juncus acutiflorus belongs to a genus of grass-like herbs (Juncus) that grow in boggy places.

Juncus compressus belongs to a genus of grass-like herbs (Juncus) that grow in boggy places.

Juncus Compressus

Juncus compressus belongs to a genus of grass-like herbs (Juncus) that grow in boggy places.

Juncus conglomeratus, also known as the common rush, belongs to a genus of grass-like herbs (Juncus) that grow in boggy places. It is the best known species, with cylindrical stems and crowded panicles of flowers below the tapered extremities of the stems.

Juncus Conglomeratus

Juncus conglomeratus, also known as the common rush, belongs to a genus of grass-like herbs (Juncus)…

Known as the soft rush, Juncus effusus is nearly as common as the most common species, J. conglomeratus. It can be distinguished from J. conglomeratus by its branching and looser inflorescence. It belongs to a genus of grass-like herbs (Juncus) that grow in boggy places.

Juncus Effusus

Known as the soft rush, Juncus effusus is nearly as common as the most common species, J. conglomeratus.…

Juncus glaucus belongs to a genus of grass-like herbs (Juncus) that grow in boggy places.

Juncus Glaucus

Juncus glaucus belongs to a genus of grass-like herbs (Juncus) that grow in boggy places.

Juncus squamosus belongs to a genus of grass-like herbs (Juncus) that grow in boggy places.

Juncus Squamosus

Juncus squamosus belongs to a genus of grass-like herbs (Juncus) that grow in boggy places.

Fructification of a Jungermannia, its cellular spore-stalk, surrounded at base by some of the leaves, at summit the 4-valved spore-case opening, discharging spores and elaters.

Jungermannia

Fructification of a Jungermannia, its cellular spore-stalk, surrounded at base by some of the leaves,…

"Kadsura japonica. 1. a calyx; 2. a head of stamens; 3. a pistil; 4. a section of a seed." -Lindley, 1853

Kadsura

"Kadsura japonica. 1. a calyx; 2. a head of stamens; 3. a pistil; 4. a section of a seed." -Lindley,…

Kava or Piper methysticum is a crop from the pepper family.

Kava

Kava or Piper methysticum is a crop from the pepper family.

This is a classification of a type of fruit.

Key Fruit of Ash

This is a classification of a type of fruit.

Catha edulis or Khat is a flowering plant of the Celastraceae family.

Khat

Catha edulis or Khat is a flowering plant of the Celastraceae family.

"Kielmeyera rosea. 1. the pistil; 2. a transverse section of it; 3. a ripe fruit; 4. embryo." -Lindley, 1853

Kielmeyera

"Kielmeyera rosea. 1. the pistil; 2. a transverse section of it; 3. a ripe fruit; 4. embryo." -Lindley,…

From left to right: Serrate, Dentate, Crenate, Wavy, Sinuate, Incised.

Kinds of Margin of Leaves

From left to right: Serrate, Dentate, Crenate, Wavy, Sinuate, Incised.

A knife used for pruning plants.

Pruning Knife

A knife used for pruning plants.

A greenish-red plant with laciniate-cut leaves. In the spring, edible crimson berries are produced and remain throughout the winter.

Rhus Glabra Laciniata

A greenish-red plant with laciniate-cut leaves. In the spring, edible crimson berries are produced and…

"Lacistema serrulatum. 1. amentum in flower; 2. pistil and stamen. 3. pistil and calyx; 4. fruit in its state of dehiscence." -Lindley, 1853

Lacistema

"Lacistema serrulatum. 1. amentum in flower; 2. pistil and stamen. 3. pistil and calyx; 4. fruit in…

A piece of stem of Larch with two clusters (fascicles) of numerous leaves.

Larch

A piece of stem of Larch with two clusters (fascicles) of numerous leaves.

"Lardizabala triternata. 1. petals and stamens of male flower; 2. carpels; 3. fruit of a Lardizabala; 4. a cross section of it; 5. a seed; 6. a section of it, showing the embryo." -Lindley, 1853

Lardizabala

"Lardizabala triternata. 1. petals and stamens of male flower; 2. carpels; 3. fruit of a Lardizabala;…

Caulicle with plumule developed into internodes and pair of leaves.

Large Common Bean Seedling

Caulicle with plumule developed into internodes and pair of leaves.

Flower of a Larkspur

Larkspur

Flower of a Larkspur

Its calyx and corolla displayed; the five large parts are the sepals; the four smaller, of two shapes, are the petals; the place of the fifth petal is vacant.

Larkspur

Its calyx and corolla displayed; the five large parts are the sepals; the four smaller, of two shapes,…

Diagram of the calyx and corolla, the place for the missing petal marked by a dotted line.

Larkspur

Diagram of the calyx and corolla, the place for the missing petal marked by a dotted line.

Seed of a Larkspur (anatropous): <em>a</em>, hilum; <em>b</em>, rhaphe; <em>c</em>, chalaza.

Larkspur

Seed of a Larkspur (anatropous): a, hilum; b, rhaphe; c, chalaza.

Seed of a Larkspur (anatropous), cut lengthwise: <em>a</em>, the hilum; <em>c</em>, chalaza; <em>d</em>, outer seed-coat; <em>e</em>, inner seed-coat; <em>f</em>, the albumen; <em>g</em>, the minute embryo.

Larkspur

Seed of a Larkspur (anatropous), cut lengthwise: a, the hilum; c, chalaza; d,…

The Delphinium tricorne or Dwarf Larkspur: "1. petals and stamens; 2. carpels; 3. a branch of ripe fruit." -Lindley, 1853

Dwarf Larkspur

The Delphinium tricorne or Dwarf Larkspur: "1. petals and stamens; 2. carpels; 3. a branch of ripe fruit."…

"Melastoma polyanthum. 1. flower; 2, 2. stamens; 3. base of anther; 4. fruit; 5. section of ditto; 6. seed." -Lindley. 1853

Native Lassiandra

"Melastoma polyanthum. 1. flower; 2, 2. stamens; 3. base of anther; 4. fruit; 5. section of ditto; 6.…

Leaf of Lathyrus Aphaca, consisting of a pair of stipules and a tendrils.

Lathyrus Aphaca

Leaf of Lathyrus Aphaca, consisting of a pair of stipules and a tendrils.

"1. Leaf of Ouvirandra fenestralis; 2. a flower cut open; 3. section of a ripe carpel of O. Bernieriana; 4, 5. embryo in different positions: the thicker part is cotyledon, the smaller the plumule." -Lindley, 1853

Lattice Leaf Plant

"1. Leaf of Ouvirandra fenestralis; 2. a flower cut open; 3. section of a ripe carpel of O. Bernieriana;…

"Cassytha filiformis. 1. a flower; 2. a fruit; 3. a section of it transversely." -Lindley, 1853

Laurel Dodder

"Cassytha filiformis. 1. a flower; 2. a fruit; 3. a section of it transversely." -Lindley, 1853

Top of a leaf, cut across; it consists of a single layer of cells.

Leaf

Top of a leaf, cut across; it consists of a single layer of cells.

A decorative divider with leaves and birds.

Leaf Divider

A decorative divider with leaves and birds.