ClipArt ETC
Seedling with stem joints and pair of leaves.

Red Maple Seedling

Seedling with stem joints and pair of leaves.

Section of a grain of Rice, lengthwise, showing embryo outside the albumen, which forms the principal bulk.

Seed of Grain of Rice

Section of a grain of Rice, lengthwise, showing embryo outside the albumen, which forms the principal…

Seed of Ricinus or Castor-oil plant, with caruncle.

Ricinus

Seed of Ricinus or Castor-oil plant, with caruncle.

Section of seed of Rock Rose, Helianthemum Canadense; orthotropus, with curved embryo in the albumen.

Seed of Rock Rose

Section of seed of Rock Rose, Helianthemum Canadense; orthotropus, with curved embryo in the albumen.

"Two flowers of common sage, one of them visited by a bee." -Bergen, 1896

Common Sage

"Two flowers of common sage, one of them visited by a bee." -Bergen, 1896

Silicle of Shepherd's Purse.

Shepherd's Purse

Silicle of Shepherd's Purse.

Silicle of Shepherd's Purse, with one valve removed.

Shepherd's Purse Section

Silicle of Shepherd's Purse, with one valve removed.

Shoot of Horse-chestnut, of one year's growth, taken in autumn after the leaves have fallen; showing the large terminal bud and smaller auxiliary buds.

Shoot of Horse-chestnut

Shoot of Horse-chestnut, of one year's growth, taken in autumn after the leaves have fallen; showing…

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.

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.

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.

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

Sneezeweed

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

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

Sow-thistle

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

That of Succory (its pappus a shallow cup).

Succory

That of Succory (its pappus a shallow cup).

Pair of samaras of Sugar Maple.

Sugar Maple

Pair of samaras of Sugar Maple.

Of Sunflower (pappus of two deciduous scales).

Sunflower

Of Sunflower (pappus of two deciduous scales).

Loment or jointed legume of a Tick-Trefoil (Desmodium).

Tick-Trefoil

Loment or jointed legume of a Tick-Trefoil (Desmodium).

Trillium is a genus of about 40-50 species of perennial herbaceous flowering plants, native to temperate regions of North America and Asia.

Trillium

Trillium is a genus of about 40-50 species of perennial herbaceous flowering plants, native to temperate…

A winged seed of the Trumpet-Creeper.

Trumpet-Creeper

A winged seed of the Trumpet-Creeper.

Embryo which has unfolded in early stage of germination and begun to grow.

Unfolding Embryo

Embryo which has unfolded in early stage of germination and begun to grow.

Simple-stemmed vegetation.

Vegetation

Simple-stemmed vegetation.

Section of seed of Violet; anatropous with straight axile embryo in the albumen.

Seed of Violet

Section of seed of Violet; anatropous with straight axile embryo in the albumen.

Akene of Virgin's-bower, retaining the feathered style, which aids in dissemination.

Akene of Virgin's-bower

Akene of Virgin's-bower, retaining the feathered style, which aids in dissemination.

Samara or key of the White Ash, winged at end.

White Ash

Samara or key of the White Ash, winged at end.

Series of sepals, petals, and stamens of White Water-Lily, showing the transitions.

White Water-Lily

Series of sepals, petals, and stamens of White Water-Lily, showing the transitions.

Seed of White Water-Lily, enclosed in its aril.

White Water-Lily

Seed of White Water-Lily, enclosed in its aril.