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The coffee senna or Cassia occidentalis.

Cassia occidentalis

The coffee senna or Cassia occidentalis.

"Cassipourea elliptica. 1. a flower; 2. stamens; 3. pistil; 4. cross section of the ovary." -Lindley, 1853

Cassipourea

"Cassipourea elliptica. 1. a flower; 2. stamens; 3. pistil; 4. cross section of the ovary." -Lindley,…

Of the Figwort family (Scrophulariaceae), Castilleja pallida var. septentrionalis.

Castilleja

Of the Figwort family (Scrophulariaceae), Castilleja pallida var. septentrionalis.

Unisexual flowers of Castor-oil plant: <em>s</em>, staminate flower; <em>p</em>, pistillate flower.

Castor-oil plant

Unisexual flowers of Castor-oil plant: s, staminate flower; p, pistillate flower.

Shown are the orders of Casuarinaceae, Saururaceaem, Oiperaceae, and Chloranthaceae. Pictured are various flowers and fruits of these order including casuarina, saururus, piper, and chlorantus.

Casuarinaceae, Saururaceaem, Oiperaceae, and Chloranthaceae Orders

Shown are the orders of Casuarinaceae, Saururaceaem, Oiperaceae, and Chloranthaceae. Pictured are various…

Corolla of Catalpa laid open, displaying two good stamens and three abortive ones or vestiges.

Catalpa

Corolla of Catalpa laid open, displaying two good stamens and three abortive ones or vestiges.

Cattleya bicolor is a variety of orchid.

Flower of Cattleya Bicolor

Cattleya bicolor is a variety of orchid.

Cattleya trianae is a variety of orchid. This variety is easily obtained.

Cattleya Trianae

Cattleya trianae is a variety of orchid. This variety is easily obtained.

The common name of gardoquia bentonicoides is cedronella mexicana. The flowers are tubular and the leaves are small.

Habit and Single Whorl of Flowers of Cedronella Mexicana (Gardoquia Betonicoides)

The common name of gardoquia bentonicoides is cedronella mexicana. The flowers are tubular and the leaves…

The flower and fruit of Chelidonium majus, also known as the greater celandine or tetterwort.

Greater Celandine

The flower and fruit of Chelidonium majus, also known as the greater celandine or tetterwort.

"Chailletia pedunculata. 1. a flower of Moacurra gelonioides; 2. a portion of it; 3. a stamen; 4. the pistil; 5. a vertical section of it; 6. ripe fruit; 7. a section of it; 8. an embryo." -Lindley, 1853

Chailletia

"Chailletia pedunculata. 1. a flower of Moacurra gelonioides; 2. a portion of it; 3. a stamen; 4. the…

The name Chamomile or Camomile means "earth-apple", because of the applelike scent of the plant. It can refer to any of several distinct species in the sunflower family (Asteraceae): The Chamomile flower is most often consumed in the form of a bitter herb tea infusion. Taken internally, the infusion's effects include calming of the digestive tract, and easing of the spasms of irritable bowel syndrome, nocturnal cramps and period pains. It's a relaxant and sedative, so it is often taken against insomnia or anxiety. The infusion can be used externally to reduce minor skin irritation because of its mild antiseptic effect and it lightens the hair. Ingestion of the dried flowers has an emetic effect. See Matricaria recutita for more complete details.

Chamomile

The name Chamomile or Camomile means "earth-apple", because of the applelike scent of the plant. It…

The Chay Root (Oldenlandia umbellata) is a plant native to India used for the red dye that can be extracted from its root. "Shaya-root ... a, flower; b, pistil and calyx." -Whitney, 1911

Chay Root

The Chay Root (Oldenlandia umbellata) is a plant native to India used for the red dye that can be extracted…

Chenopodium olidum, or Wild Arrach, an herb. 1, flower.

Chenopodium

Chenopodium olidum, or Wild Arrach, an herb. 1, flower.

A branch and section of the flower of the Sour Cherry Tree (Prunus cerasus).

Sour Cherry

A branch and section of the flower of the Sour Cherry Tree (Prunus cerasus).

Cherry-flower in section; petals and stamens andante to tube of calyx-perigynous.

Cherry-Flower

Cherry-flower in section; petals and stamens andante to tube of calyx-perigynous.

Chervil (Scandix cerefolium). 1, flower; 2, fruit.

Chervil

Chervil (Scandix cerefolium). 1, flower; 2, fruit.

Forms of cyme. 5, chickweed (dichotomous).

Chickweed

Forms of cyme. 5, chickweed (dichotomous).

"c, flower of Cerastium longipedunculatum, seen from below: s, a sepal." -Whitney, 1911

Nodding Chickweed

"c, flower of Cerastium longipedunculatum, seen from below: s, a sepal." -Whitney, 1911

"d, calyx, showing the five free sepals" of the Nodding Chickweed (Cerastium nutans) -Whitney, 1911

Nodding Chickweed

"d, calyx, showing the five free sepals" of the Nodding Chickweed (Cerastium nutans) -Whitney, 1911

A Chicory flower half cut away, better showing some of the flower.

Chicory

A Chicory flower half cut away, better showing some of the flower.

Chicory. 1, Floret; 2, fruit.

Chicory

Chicory. 1, Floret; 2, fruit.

"Chicory (Cichorium Intybus). A, portion of flowering branch; B, basal leaf (runcinate-pinnatifid); C, median longitudinal section through a head, showing the insertion of the flowers; D, individual flower; E, fruit (ripened ovary), showing the persistent pappus (calyx) of short scales." -Gager, 1916

Common Chicory

"Chicory (Cichorium Intybus). A, portion of flowering branch; B, basal leaf (runcinate-pinnatifid);…

Pictured is a China aster of the quilled type.

Quilled Type of China Aster

Pictured is a China aster of the quilled type.

The branching type of China aster was first introduced in 1893. It is likely that more than half of asters grown in the United States are branching types.

The Branching Type of China Aster

The branching type of China aster was first introduced in 1893. It is likely that more than half of…

The comet type of China aster has very flat rays. The flowers are rose, white, or blue.

China Aster, the Comet Type

The comet type of China aster has very flat rays. The flowers are rose, white, or blue.

Christ's thorns (Paliurus aculeata). 1, Flower, 2, fruit.

Christ's Thorns

Christ's thorns (Paliurus aculeata). 1, Flower, 2, fruit.

Christmas rose is the common name of helleborus niger. The flowers are pure white. The flowers are about two to three inches across. The plant grows between six and eighteen inches tall.

Christmas Rose

Christmas rose is the common name of helleborus niger. The flowers are pure white. The flowers are about…

A Christmas rose (Helleborus niger). 1, stamen; 2, section.

Christmas Rose

A Christmas rose (Helleborus niger). 1, stamen; 2, section.

Chrysanthemums are grown in temperate parts of America and have rich shades.

Chrysanthemums

Chrysanthemums are grown in temperate parts of America and have rich shades.

A plants whoes bark is used in the pharmacy.

Chinocha

A plants whoes bark is used in the pharmacy.

This herb is commonly used for its blue, red, and purple flowers.

Florist Cineraria

This herb is commonly used for its blue, red, and purple flowers.

"Cinnamon: a, end of branch, with leaves and flowers; b, four-celled anther." &mdash; Chambers' Encyclopedia, 1875

Cinnamon

"Cinnamon: a, end of branch, with leaves and flowers; b, four-celled anther." — Chambers' Encyclopedia,…

"CINQUE FOIL. Five leaves conjoined in the centre." -Hall, 1862

Cinque Foil

"CINQUE FOIL. Five leaves conjoined in the centre." -Hall, 1862

Circaea with angles bearing little lobes.

Circaea

Circaea with angles bearing little lobes.

"Cissampelos tropaeolifolia. 1. a female flower; 2. a portion of a fruit, with the seed laid bare; 3. a perpendicular section of a fruit." -Lindley, 1853

Cissampelos

"Cissampelos tropaeolifolia. 1. a female flower; 2. a portion of a fruit, with the seed laid bare; 3.…

Flowers of the orders of cistaceae, bixaceae, violaceae, and passifloraceae are pictured. These flowers include (1) helianthemum, (2) cistus, (3) bixa, and (4) viola.

Orders of Cistaceae, Bixaceae, Violaceae, and Passifloraceae

Flowers of the orders of cistaceae, bixaceae, violaceae, and passifloraceae are pictured. These flowers…

"Cistus Berthelotianus. 1. a vertical section of ovary and calyx; 2. a seed cut through; the pointed end being the true apex." -Lindley, 1853

Cistus

"Cistus Berthelotianus. 1. a vertical section of ovary and calyx; 2. a seed cut through; the pointed…

Claytonia or Spring Beauty, (Gray, 1858).

Claytonia

Claytonia or Spring Beauty, (Gray, 1858).

Flower of a Cleome of the section Gynandropsis, showing broadened receptacles to bear petals, lengthened stripe below stamens, and another between these and pistil.

Flower of a Cleome

Flower of a Cleome of the section Gynandropsis, showing broadened receptacles to bear petals, lengthened…

Pictured are the orders of clethraceae, pyrolaceae, and ericaceae. The flowers of these orders that are illustrated include (1) clethra, (2) pyrola, (andromeda, (4) kalmia, (5) rhododendron, (6) erica, and (7) vaccinium.

Orders of Clethraceae, Pyrolaceae, and Ericaceae

Pictured are the orders of clethraceae, pyrolaceae, and ericaceae. The flowers of these orders that…

Clove. 1, section of flower; 2, fruit.

Clove

Clove. 1, section of flower; 2, fruit.

"Cloves are the flower-buds of the Clove-tree. The genus to which this tree belongs is of the natural order Myrtaceae; the calyx has a cylindrical tube and 4-cleft border; the corolla consists of four petals united by their tips; the stamens are in four clusters; and the fruit is an oblong dry berry with one or two cells and as many seeds." &mdash; Chambers' Encyclopedia, 1875

Cloves

"Cloves are the flower-buds of the Clove-tree. The genus to which this tree belongs is of the natural…

"1, full expanded flower; 2, a calyx seen from below; 3, the ovary, with a part of the calyx cut away; 4, a transverse section of a fruit." &mdash; Chambers' Encyclopedia, 1875

Clusia Rosea

"1, full expanded flower; 2, a calyx seen from below; 3, the ovary, with a part of the calyx cut away;…

"Erythroxylon. 1. a flower; 2. one of the petals; 3. the pistil with 3 capitate stigmas; 4. a drupe; 5. the embryo." -Lindley, 1853

Coca

"Erythroxylon. 1. a flower; 2. one of the petals; 3. the pistil with 3 capitate stigmas; 4. a drupe;…

Coca plant. 1, flower; 2, calyx and pistil; 3, petal; 4, fruit.

Coca

Coca plant. 1, flower; 2, calyx and pistil; 3, petal; 4, fruit.

Coca is a plant in the family Erythroxylaceae, native to north-western South America. The plant plays a significant role in traditional Andean culture. Coca leaves contain cocaine alkaloids, a basis for the drug cocaine, which is a powerful stimulant. Coca should not be confused with the similarly named South American cocoa bean from which chocolate is made. The plant resembles a blackthorn bush, and grows to a height of 2&ndash;3 m (7&ndash;10 ft). The branches are straight, and the leaves, which have a green tint, are thin, opaque, oval, and taper at the extremities. A marked characteristic of the leaf is an areolated portion bounded by two longitudinal curved lines, one line on each side of the midrib, and more conspicuous on the under face of the leaf. The flowers are small, and disposed in little clusters on short stalks; the corolla is composed of five yellowish-white petals, the anthers are heart-shaped, and the pistil consists of three carpels united to form a three-chambered ovary. The flowers mature into red berries.

Coca Flower

Coca is a plant in the family Erythroxylaceae, native to north-western South America. The plant plays…

Also known as Crataegus crus-galli. The branch of a Cockspur Thorn shrub, native to eastern North America.

Branch of Cockspur Thorn

Also known as Crataegus crus-galli. The branch of a Cockspur Thorn shrub, native to eastern North America.

Cocoa or Cacao. 1, flower; 2, pod; 3, section of pod.

Cocoa plant

Cocoa or Cacao. 1, flower; 2, pod; 3, section of pod.

Coconut palm. A, section of fruit; a, husk; b, shell; c, albumin; d, cavity; e, embryo; f, aperture of shell; g, rudimentary aperture; B, male flower; C, female flower.

Coconut Tree

Coconut palm. A, section of fruit; a, husk; b, shell; c, albumin; d, cavity; e, embryo; f, aperture…

"A genus of plants of the natural order Melanthaceae. The species, which are few in number, are stemless, with flowers half subterranean like the crocus, the limb of the perianth and part of the tube only rising above ground. The floews much resemble crocus-flowers, but are readily distinguished by having six instead of three stamens, and three styles instead of one." &mdash; Chambers' Encyclopedia, 1875

Colchicum

"A genus of plants of the natural order Melanthaceae. The species, which are few in number, are stemless,…

Aquilegia vulgaris is a perennial plant also known as the European columbine or Granny's Nightcap.

European Columbine

Aquilegia vulgaris is a perennial plant also known as the European columbine or Granny's Nightcap.

"Columellia oblonga. 1. a flower; 2. half an ovary; 3. a fruit." -Lindley, 1853

Columellia

"Columellia oblonga. 1. a flower; 2. half an ovary; 3. a fruit." -Lindley, 1853

"Symphytum officinale; 2. a diagram of its flower; 3. its pistil; 4. the calyx opened, with two of the nuts remaining; 5. a vertical section of a nut." -Lindley, 1853

Comfrey

"Symphytum officinale; 2. a diagram of its flower; 3. its pistil; 4. the calyx opened, with two of the…

The Common Comfrey (Symphytum officinale) is a flowering plant in the Boraginaceae family. Here showing its scorpioid inflorescence.

Common Comfrey

The Common Comfrey (Symphytum officinale) is a flowering plant in the Boraginaceae family. Here showing…

The flowers of the common almond are peach like and handsome.

Flower of Common Almond

The flowers of the common almond are peach like and handsome.

"A genus of trees belonging to the natural order Oleaceae, and distinguished by very imperfect flowers, in which the calyx is obsolete, and the corolla either wanting or 3-4 partite; the fruit is a samara, a seed-vessel foliaceous at the extremity." &mdash; Chambers' Encyclopedia, 1875

Common Ash

"A genus of trees belonging to the natural order Oleaceae, and distinguished by very imperfect flowers,…

"Common Ash. a, a branch with leaves; b, flowers; c, fruit (on a considerably larger scale than the leaves and flowers)." &mdash; Chambers' Encyclopedia, 1875

Common Ash

"Common Ash. a, a branch with leaves; b, flowers; c, fruit (on a considerably larger scale than the…

Common dwarf lupine is the common name of lupinus nanus. The flowers are lilac and blue. The flowers bloom in the summer.

Flowering Branch of Common Dwarf Lupine

Common dwarf lupine is the common name of lupinus nanus. The flowers are lilac and blue. The flowers…

"Flower-stock, Leaves, and cluster of Berries of the Common Elder (Sambucus nigra)." &mdash; Chambers' Encyclopedia, 1875

Common Elder

"Flower-stock, Leaves, and cluster of Berries of the Common Elder (Sambucus nigra)." — Chambers'…