The sexual system of a plant, here having stamens united in two bundles, Diadelphia.

Linnaeus' Diadelphia

The sexual system of a plant, here having stamens united in two bundles, Diadelphia.

The sexual system of a plant, here having stamens united in three or more bundles, Polyadelphia.

Linnaeus' Polyadelphia

The sexual system of a plant, here having stamens united in three or more bundles, Polyadelphia.

The sexual system of a plant, here having stamens united by anthers, Syngenesia.

Linnaeus' Syngenesia

The sexual system of a plant, here having stamens united by anthers, Syngenesia.

The sexual system of a plant, here having stamens united with the pistil, Gynandria.

Linnaeus' Gynandria

The sexual system of a plant, here having stamens united with the pistil, Gynandria.

The sexual system of a plant, here having stamens and pistils in two different flowers of the same plant, Monoecia.

Linnaeus' Monoecia

The sexual system of a plant, here having stamens and pistils in two different flowers of the same plant,…

The sexual system of a plant, here having stamens and pistils on two different plants, Dioecia.

Linnaeus' Dioecia

The sexual system of a plant, here having stamens and pistils on two different plants, Dioecia.

The sexual system of a plant, here having both hermaphrodite and unisexual flowers on the same plant, Polygamia.

Linnaeus' Polygamia

The sexual system of a plant, here having both hermaphrodite and unisexual flowers on the same plant,…

The sexual system of a plant, here having hidden reproductive organs, Cryptogamia.

Linnaeus' Cryptogamia

The sexual system of a plant, here having hidden reproductive organs, Cryptogamia.

The sexual system of a plant, here having seven stamens, Heptandria.

Linnaeus' Heptandria

The sexual system of a plant, here having seven stamens, Heptandria.

The sexual system of a plant, here having eight stamens, Octandria.

Linnaeus' Octandria

The sexual system of a plant, here having eight stamens, Octandria.

The sexual system of a plant, here having nine stamens, Enneandria.

Linnaeus' Enneandria

The sexual system of a plant, here having nine stamens, Enneandria.

"Lythrum salicaria. 1. a flower; 2. the calyx spread open; 3. the pistil; 4. a cross section of the ovary; 5. the capsule; 6. a section of a seed." -Lindley, 1853

Purple Loosestrife

"Lythrum salicaria. 1. a flower; 2. the calyx spread open; 3. the pistil; 4. a cross section of the…

"Loranthus chrysanthus. 1. section of a flower; 2. of a fruit." -Lindley, 1853

Loranthus

"Loranthus chrysanthus. 1. section of a flower; 2. of a fruit." -Lindley, 1853

"Loranthus memecylifolius. 1. corolla laid open; 2. ovary, &c." -Lindley, 1853

Loranthus

"Loranthus memecylifolius. 1. corolla laid open; 2. ovary, &c." -Lindley, 1853

The lyme of a flower.

Lyme

The lyme of a flower.

The orders pictured are malvaceae, bombacaceae, and dilleniaceae. The flowers of these orders that are illustrated include (1) malva, (2) hibiscus, (3) adansonia, (4) theobroma, and (5) dillenia.

Orders of Malvaceae, Bombacaceae, and Dilleniaceae

The orders pictured are malvaceae, bombacaceae, and dilleniaceae. The flowers of these orders that are…

Pictured are flowers of the orders martyniaceae, gesneriaceae, lentibulariaceae, and globulariaceae. The flowers illustrated are (1) martynia, (2) gesneria, (3) achimenes, (4) utricularia, (5) globularia, and (6) cockburnia.

Orders of Martyniaceae, Gesneriaceae, Lentibulariaceae, and Globulariaceae

Pictured are flowers of the orders martyniaceae, gesneriaceae, lentibulariaceae, and globulariaceae.…

"Eugenia tuberculata. 1. a flower; 2. the same divided vertically; 3. a stamen; 4. a ripe fruit; 5. a leaf with the dots upon it." -Lindley, 1853

Myrtle

"Eugenia tuberculata. 1. a flower; 2. the same divided vertically; 3. a stamen; 4. a ripe fruit; 5.…

The narcissus of a flower.

Narcissus

The narcissus of a flower.

"Tube nectary of Nasturtium." -Newman, 1850

Nasturtium

"Tube nectary of Nasturtium." -Newman, 1850

Pictured are the flowers and fruits of the orders oleaceae, loganiaceae, gentianaceae, and apocynaceae. The flowers and fruits illustrated are (1) olea, (2) fraxinus, (3) logania, (4) gentiana, (5) apocynum, and (6) vinca.

Orders of Oleaceae, Loganiaceae, Gentianaceae, and Apocynaceae

Pictured are the flowers and fruits of the orders oleaceae, loganiaceae, gentianaceae, and apocynaceae.…

Pictured are flowers from the orders onagraceae and haloragidaceae. The flowers of these orders that are illustrated are (1) oenothera, (2) epilobium, (3) circaea, and (4) myriophyllum.

Orders of Onagraceae and Haloragidaceae

Pictured are flowers from the orders onagraceae and haloragidaceae. The flowers of these orders that…

Ovary of the flower of the Morning Glory, cut in half.

Morning Glory Ovary

Ovary of the flower of the Morning Glory, cut in half.

Ovary of the flower of the Morning Glory, cut in cross-section.

Morning Glory Ovary

Ovary of the flower of the Morning Glory, cut in cross-section.

A simple flower.

Flower Parts

A simple flower.

A simple flower.

Flower Parts

A simple flower.

The whole stamen of a Lily

Flower Parts

The whole stamen of a Lily

A pistil cut in two.

Flower Parts

A pistil cut in two.

The perianth of a flower.

Perianth

The perianth of a flower.

"Vinca minor. 1. corolla opened; 2. style and stigma; 3. perpendicular section of the double ovary; 4. section of a seed." -Lindley, 1853

lesser Periwinkle

"Vinca minor. 1. corolla opened; 2. style and stigma; 3. perpendicular section of the double ovary;…

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.

Pictured is the pistil from the flower of a pea. A is the pistil from the side, (o) is the ovary, (s) is the style, and (st) is the stigma. B is the pistil opened lengthwise. C is the cross section to show the position of placenta.

Pistil from Flower of Pea

Pictured is the pistil from the flower of a pea. A is the pistil from the side, (o) is the ovary, (s)…

"Parts of the pistil. ov, ovary; sty, style; stig, stigma." -Bergen, 1896

Pistil Parts

"Parts of the pistil. ov, ovary; sty, style; stig, stigma." -Bergen, 1896

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.

"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;…

"Flowers of plantain (Plantago), enlarged. A, earlier stage, pistil mature, stamens not yet appearing outside the corolla. B, later stage, pistil withered, stamens mature." -Bergen, 1896

Plantain Flowers

"Flowers of plantain (Plantago), enlarged. A, earlier stage, pistil mature, stamens not yet appearing…

Pictured are the orders of plantanceae, rosaceae, and leguminosae. The flowers of these orders that are illustrated are (1) platanus, (2) fragaria, (3) geum, (4) rosa, (5) spiraea, (6) prunus, (7) pyrus, (8) pisum, (9) desmodium, (10) cassia, and (11) acacia.

Orders of Plantanceae, Rosaceae, and Leguminosae

Pictured are the orders of plantanceae, rosaceae, and leguminosae. The flowers of these orders that…

Shown are flowers of the pontederiaceae, juncaceae, liliaceae, and amaryllidaceae orders. These flowers include (1) pontederia, (2) luzula, (3) juncus, (4) dracaena, (5) fritillaria, (6) leucoium, and (7) narcissus.

Pontederiaceae, Juncaceae, Liliaceae, and Amaryllidaceae Orders

Shown are flowers of the pontederiaceae, juncaceae, liliaceae, and amaryllidaceae orders. These flowers…

"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

"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…

"Racemes.--When flowers are arranged round a filiform simple axis, each particular flower being stalked, they are said to be in racemes." -Newman, 1850

Raceme

"Racemes.--When flowers are arranged round a filiform simple axis, each particular flower being stalked,…

Pictured are flowers of the orders rubiaceae and valerianaceae. The flowers pictured are (1) galium, (2) houstonia, (3) bouvardia, (4) lonicera, and (5) valeriana.

Orders of Rubiaceae and Valerianaceae

Pictured are flowers of the orders rubiaceae and valerianaceae. The flowers pictured are (1) galium,…

The sabiate of a flower.

Sabiate

The sabiate of a flower.

Shown are the orders of Salicaceae, Myricaceae, Juglandaceae, and Betulaceae. Illustrated are various flowers of those orders.

Salicaceae, Myricaceae, Juglandaceae, and Betulaceae Orders

Shown are the orders of Salicaceae, Myricaceae, Juglandaceae, and Betulaceae. Illustrated are various…

Pictured are flowers of the orders sapotaceae, ebenaceae, styracaceae, and symplocaceae. The flowers that are illustrated are (1) lucuma, (2) sideroxylon, (3) diospyros, (4) styrax, and (5) symplocos.

Orders of Sapotaceae, Ebenaceae, Styracaceae, and Symplocaceae

Pictured are flowers of the orders sapotaceae, ebenaceae, styracaceae, and symplocaceae. The flowers…

The orders pictured are sarraceniaceae, nepenthaceae, and droseraceae. The flowers of these orders that are illustrated are (1) sarracenia, (2) nepenthes, (3) drosera, (4) dionaea, and (5) aldrovanda.

Orders of Sarraceniaceae, Nepenthaceae, and Droseraceae

The orders pictured are sarraceniaceae, nepenthaceae, and droseraceae. The flowers of these orders that…

The sheath of a flower.

Sheath

The sheath of a flower.

The orders of simarubaceae, burseraceae, meliaceae, and malpighiaceae are pictured. The flowers of these orders that are illustrated are (1) ailanthus, (2) bursera, (3) swietenia, (4) cedrela, (5) melia, (6) camera, and (7) malpighia.

Orders of Simarubaceae, Burseraceae, Meliaceae, and Malpighiaceae

The orders of simarubaceae, burseraceae, meliaceae, and malpighiaceae are pictured. The flowers of these…

"Spadix.--Flower stalk developed in a spatha, or sheath." -Newman, 1850

Spadix

"Spadix.--Flower stalk developed in a spatha, or sheath." -Newman, 1850

"Euphorbia corollata. A, flower-cluster with involucre, the whole appearing like a single flower; B, a single staminate flower; C, immature fertile flower, as seen after the removal of the sterile flowers; i, involucre; s, stigmas." -Bergen, 1896

Flowering Spurge

"Euphorbia corollata. A, flower-cluster with involucre, the whole appearing like a single flower; B,…

The Resin Spurge (Euphorbia resinifera) is a flowering plant that superficially resembles a cactus. "Top of Stem of Euphorbia resinifera. a, involucre with inclosed flowers; b, section of same." -Whitney, 1911

Resin Spurge

The Resin Spurge (Euphorbia resinifera) is a flowering plant that superficially resembles a cactus.…

"1. Stackhousia; 2. its corolla; 3. calyx, &c." -Lindley, 1853

Stackhousia

"1. Stackhousia; 2. its corolla; 3. calyx, &c." -Lindley, 1853

"Parts of a stamen. A, front; B, back. a, anther; c, connective; f, filament." -Bergen, 1896

Stamen Parts

"Parts of a stamen. A, front; B, back. a, anther; c, connective; f, filament." -Bergen, 1896

Stamen of the flower of the Morning Glory.

Morning Glory Stamen

Stamen of the flower of the Morning Glory.

The starflower or Calytrix and a section of its flower.

Starflower

The starflower or Calytrix and a section of its flower.

"Stilbe Pinastra. 1. a flower; 2. the same cut open; 3. a perpendicular section of an ovary." -Lindley, 1853

Stilbe

"Stilbe Pinastra. 1. a flower; 2. the same cut open; 3. a perpendicular section of an ovary." -Lindley,…

"2. flower of Fragaria vesca; 3. a section of it." -Lindley, 1853

Woodland Strawberry

"2. flower of Fragaria vesca; 3. a section of it." -Lindley, 1853

"2. flower of Stylapterus sp.; 3 a. anther in front; 3 b. ditto behind; 4. anther between two lobes of calyx." -Lindley, 1853

Stylapterus

"2. flower of Stylapterus sp.; 3 a. anther in front; 3 b. ditto behind; 4. anther between two lobes…