ClipArt ETC
Shoot of Lilac, with winter buds; the two uppermost auxiliary ones strong; the terminal not developed.

Shoot of Lilac

Shoot of Lilac, with winter buds; the two uppermost auxiliary ones strong; the terminal not developed.

Unguiculate (clawed) petal of a Silene; with a two parted crown.

Silene

Unguiculate (clawed) petal of a Silene; with a two parted crown.

Longitudinal section of flower of Silene Pennsylvanica, showing stipe between calyx and corolla.

Silene Pennsylvanica

Longitudinal section of flower of Silene Pennsylvanica, showing stipe between calyx and corolla.

"Silicles. 1. Of Shepherd's-purse (Bursa Bursa-pastoris). 2. Same, opened, to show the placentae, the seeds, and the two valves. 3. Of Vernal Whitlow-grass, Draba verna. 4. Same, opened, to show the valves, the dissepiment, and the seeds." -Whitney, 1911

Silicles

"Silicles. 1. Of Shepherd's-purse (Bursa Bursa-pastoris). 2. Same, opened, to show the placentae, the…

This is a classification of a type of fruit.

Silicule

This is a classification of a type of fruit.

This is a classification of a type of fruit.

Siliqua

This is a classification of a type of fruit.

A silique is a pod of the Cress family.

silique

A silique is a pod of the Cress family.

"Silique, the fruit of certain cruciferous plants, consisting of a pair of valves which seperate from a central septum"—Finley, 1917

Silique

"Silique, the fruit of certain cruciferous plants, consisting of a pair of valves which seperate from…

"Siliques. 1. Of Cardamine bulbosa. 2. Of Raphanus Raphanistrum. 3. Of Heliophila crithmifolia." -Whitney, 1911

Siliques

"Siliques. 1. Of Cardamine bulbosa. 2. Of Raphanus Raphanistrum. 3. Of Heliophila crithmifolia." -Whitney,…

The Silver Fern (Cyathea dealbata) is a plant in the Cyatheaceae family of tree ferns. It was also known as the synonym Gymnogramme tartarea.

Silver Fern

The Silver Fern (Cyathea dealbata) is a plant in the Cyatheaceae family of tree ferns. It was also known…

The staminate flowers of the Silver Maple, Acer saccharinum, (Keeler, 1915).

Silver Maple Flower

The staminate flowers of the Silver Maple, Acer saccharinum, (Keeler, 1915).

The pistillate flowers of the Silver Maple, Acer saccharinum, (Keeler, 1915).

Silver Maple Flower

The pistillate flowers of the Silver Maple, Acer saccharinum, (Keeler, 1915).

Fruit of Silver Maple, Acer dasycarpum, of natural size, the seed-bearing portion divided to show seed.

Silver Maple Key

Fruit of Silver Maple, Acer dasycarpum, of natural size, the seed-bearing portion divided to show seed.

Embryo of the seed taken out.

Silver Maple seed

Embryo of the seed taken out.

The seeds of the Silver Maple, Acer saccharinum, (Keeler, 1915).

Silver Maple Seed

The seeds of the Silver Maple, Acer saccharinum, (Keeler, 1915).

Silver Maple seed open out, to show the thick cotyledons and the little plumule or bud between them.

Silver Maple Seed Open

Silver Maple seed open out, to show the thick cotyledons and the little plumule or bud between them.

"Halesia tetraptera. 1. its fruit; 2. a perpendicular; 3. a transverse, section of it." -Lindley, 1853

Carolina Silverbell

"Halesia tetraptera. 1. its fruit; 2. a perpendicular; 3. a transverse, section of it." -Lindley, 1853

These are the flowers of the Silverbell-tree, Mohrodendron carolinum, (Keeler, 1915).

Silverbell-Tree Flowers

These are the flowers of the Silverbell-tree, Mohrodendron carolinum, (Keeler, 1915).

"Branch of Simarouba amara, with female flowers. a, a male flower; b, a female flower." -Whitney, 1911

Simarouba

"Branch of Simarouba amara, with female flowers. a, a male flower; b, a female flower." -Whitney, 1911

Diagram of a simple cyme in which the axis lengthens, so as to take the form of a raceme.

Simple cyme

Diagram of a simple cyme in which the axis lengthens, so as to take the form of a raceme.

Model of a simple pistil, with ovary cut across and slightly opened ventrally, to show the ovules and their attachment.

Simple Pistil

Model of a simple pistil, with ovary cut across and slightly opened ventrally, to show the ovules and…

Seed of Sisymbrium, cut across to show the incumbent cotyledons.

Sisymbrium

Seed of Sisymbrium, cut across to show the incumbent cotyledons.

Embryo of the Sisymbrium, detached whole.

Sisymbrium Embryo

Embryo of the Sisymbrium, detached whole.

These are the fruit, or samara, of Slippery Elm, Ulmus pubescens, (Keeler, 1915).

Slippery Elm Fruit

These are the fruit, or samara, of Slippery Elm, Ulmus pubescens, (Keeler, 1915).

"Careya arborea. 1. one of the bundles of stamens; 2. a perpendicular section of the ovary; 3. section of the seed." -Lindley, 1853

Slow Match Tree

"Careya arborea. 1. one of the bundles of stamens; 2. a perpendicular section of the ovary; 3. section…

"Germinating seed of Ophiocaryon paradoxum. a. radicle; b. cauliculus; cc. cotyledons." -Lindley, 1853

Snakenut

"Germinating seed of Ophiocaryon paradoxum. a. radicle; b. cauliculus; cc. cotyledons." -Lindley, 1853

"Flowering plant of sanicle (Sanicula marilandica). (a), a male flower; (b), the fruit." -Whitney, 1911

Maryland Black Snakeroot

"Flowering plant of sanicle (Sanicula marilandica). (a), a male flower; (b), the fruit." -Whitney, 1911

Corolla of Snapdragon, with labiate <em>personate</em> corolla.

Snapdragon

Corolla of Snapdragon, with labiate personate corolla.

"2. corolla of Antirrhinum majus cut open; 3. its pistil; 4. its ripe fruit; 5. cross section of its ovary; 6. section of its seed." -Lindley, 1853

Snapdragon

"2. corolla of Antirrhinum majus cut open; 3. its pistil; 4. its ripe fruit; 5. cross section of its…

A type of flower.

Snapdragon

A type of flower.

The ringent corolla of the snapdragon or Antirrhinum.

Snapdragon Corolla

The ringent corolla of the snapdragon or Antirrhinum.

Of Sneezeweed (Helenium), with its pappus of five scales.

Sneezeweed

Of Sneezeweed (Helenium), with its pappus of five scales.

Snowdrop is the common name for members of the genus Galanthus, a small genus of about 20 species in the family Amaryllidaceae; snowdrops are among the first bulbs to bloom in spring, although certain species flower in late autumn and winter.

Snowdrop

Snowdrop is the common name for members of the genus Galanthus, a small genus of about 20 species in…

This is the fruit of the Snowdrop-tree, Mohrodendron dipterum, (Keeler, 1915).

Snowdrop-tree Fruit

This is the fruit of the Snowdrop-tree, Mohrodendron dipterum, (Keeler, 1915).

"Sapindus senegalensis. 1. an expanded flower; 2. a petal; 3. the ovaries before fertilisation; 4. a vertical section of a ripe drupe, showing the embryo." -Lindley, 1853

Soapberry

"Sapindus senegalensis. 1. an expanded flower; 2. a petal; 3. the ovaries before fertilisation; 4. a…

"Branch with fruits of Sapindus drummondi. a, a flower." -Whitney, 1911

Western Soapberry

"Branch with fruits of Sapindus drummondi. a, a flower." -Whitney, 1911

Polypetalous corolla of Soapwort, of five petals with long claws or stalk-like bases.

Soapwort

Polypetalous corolla of Soapwort, of five petals with long claws or stalk-like bases.

Piece of a stem of Soft Maple, of a year old, cut crosswise and lengthwise.

Piece of Stem from a Soft Maple

Piece of a stem of Soft Maple, of a year old, cut crosswise and lengthwise.

Leaves of Solanum jasminoides, the petiole adapted for climbing.

Solanum Jasminoides

Leaves of Solanum jasminoides, the petiole adapted for climbing.

Rootstock of Solomon's Seal, with the bottom of the stalk of the season, and the bud for the next year's growth.

Solomon's Seal

Rootstock of Solomon's Seal, with the bottom of the stalk of the season, and the bud for the next year's…

This is a classification of a type of fruit.

Sorosis (mulberry)

This is a classification of a type of fruit.

"Oxalis confertissima. 1. calyx; 2. stamens; 3. pistil; 4. seed and its section of O. acetosella" (common wood sorrel). -Lindley, 1853

Sorrel

"Oxalis confertissima. 1. calyx; 2. stamens; 3. pistil; 4. seed and its section of O. acetosella" (common…

A female sorrel flower.

Female sorrel flower

A female sorrel flower.

A male sorrel flower.

Male sorrel flower

A male sorrel flower.

Of Sow-thistle, with its pappus of delicate downy hairs.

Sow-thistle

Of Sow-thistle, with its pappus of delicate downy hairs.

Showing the spike of an arum, a spadix.

Arum spadix

Showing the spike of an arum, a spadix.

This shows two leaves of Spanish Oak, Quercus digitata, (Keeler, 1915).

Spanish Oak Leaves

This shows two leaves of Spanish Oak, Quercus digitata, (Keeler, 1915).

A spathe is a bract or leaf enwrapping a spike or cluster or blossoms.

Spathe

A spathe is a bract or leaf enwrapping a spike or cluster or blossoms.

Spicula of a spelt plant.

Spelt spicula

Spicula of a spelt plant.

"Aneilema crispatum; 1. a flower; 2. the calyx and pistil; 3. the capsule; 4, 5, seeds; 6. a section of ditto showing the embryo; 7. the papilla; 8. the embryo." -Lindley, 1853

Spiderwort

"Aneilema crispatum; 1. a flower; 2. the calyx and pistil; 3. the capsule; 4, 5, seeds; 6. a section…

A spike arrangement of flowers.

Spike

A spike arrangement of flowers.

A plantain spike.

Plantain spike

A plantain spike.

Flower of the spindle tree.

Spindle Tree Flower

Flower of the spindle tree.

Fruit of the spindle tree.

Spindle Tree Fruit

Fruit of the spindle tree.

"Euonymus europaeus. 1. a section of a fruit; 2. a seed enveloped in its aril; 3. a perpendicular section of a seed." -Lindley, 1853

European Spindle

"Euonymus europaeus. 1. a section of a fruit; 2. a seed enveloped in its aril; 3. a perpendicular section…

Opposite leaves of Euonymus, or Spindle-tree, showing the successive pairs crossing each other at right angles.

Spindle-tree

Opposite leaves of Euonymus, or Spindle-tree, showing the successive pairs crossing each other at right…

The Leaf of Akanthos Spinosus has pointed lobes terminating in spines and narrow leaves.

Leaf of Akanthos Mollis

The Leaf of Akanthos Spinosus has pointed lobes terminating in spines and narrow leaves.

Spiral ducts which uncoil into a single thread.

Spiral Ducts

Spiral ducts which uncoil into a single thread.

Spiral ducts which tears up as a band.

Spiral Ducts

Spiral ducts which tears up as a band.

An annular duct.

Spiral Ducts

An annular duct.