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"Dog's-tooth violet (Erythronium americanum). Stages of development from the seed. 1-5 show the stage of development in each of five successive years. Full explanation in the text. 6, Bulb showing a surface bud (the sprout has been destroyed)." -Gager, 1916

Dog's-Tooth Violet Stages

"Dog's-tooth violet (Erythronium americanum). Stages of development from the seed. 1-5 show the stage…

A large genus of herbaceous plants, which are found in most parts of the glove, including about 200 varieties.

Violet

A large genus of herbaceous plants, which are found in most parts of the glove, including about 200…

Flower of a Violet

Violet

Flower of a Violet

Its calyx and corolla displayed: the five smaller parts are the sepals; the five intervening larger ones are the petals.

Violet

Its calyx and corolla displayed: the five smaller parts are the sepals; the five intervening larger…

Anatropous ovule of a Violet

Violet

Anatropous ovule of a Violet

"A violet with cleistogamous flowers. The objects which look like flower-buds are cleistogamous flowers in various stages of development. The pods are the fruit of similar flowers. The plant is represented as it appears in late July or August, after the ordinary flowers have disappeared." -Bergen, 1896

Violet

"A violet with cleistogamous flowers. The objects which look like flower-buds are cleistogamous flowers…

"Corynostylis Hybanthus. 1. a set of stamens, each having the connective lengthened beyond the anther, in the form of a scale; 2. a spurred petal; 3. a transverse section of an ovary, showing the three parietal placentae; 4. a ripe fruit; 5. an embryo." -Lindley, 1853

Violet

"Corynostylis Hybanthus. 1. a set of stamens, each having the connective lengthened beyond the anther,…

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

Violet

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

Of the violet family (Violaceae), the arrow-leaved violet or Viola sagittata.

Arrow-Leaved Violet

Of the violet family (Violaceae), the arrow-leaved violet or Viola sagittata.

Of the violet family (Violaceae), the blue violet or Viola papilionacea.

Blue Violet

Of the violet family (Violaceae), the blue violet or Viola papilionacea.

Of the violet family (Violaceae), the Canada violet or Violaa canadensis.

Canada Violet

Of the violet family (Violaceae), the Canada violet or Violaa canadensis.

Of the violet family (Violaceae), the dog violet or Viola conspersa.

Dog Violet

Of the violet family (Violaceae), the dog violet or Viola conspersa.

An illustration of a dog violet plant and it's fruit. Viola canina (Heath Dog-violet or Heath Violet) is a species of the genus Viola, native to Europe, where it is found in heaths, fens, and moist woodlands, especially on acidic soils.

Dog Violet

An illustration of a dog violet plant and it's fruit. Viola canina (Heath Dog-violet or Heath Violet)…

Of the violet family (Violaceae), the downy yellow violet or Viola pubescens.

Downy Yellow Violet

Of the violet family (Violaceae), the downy yellow violet or Viola pubescens.

Of the violet family (Violaceae), the marsh violet or Viola palustris.

Marsh Violet

Of the violet family (Violaceae), the marsh violet or Viola palustris.

Of the violet family (Violaceae), the pale violet or Viola striata.

Pale Violet

Of the violet family (Violaceae), the pale violet or Viola striata.

Of the violet family (Violaceae), the round-leaved violet or Viola rotundifolia.

Round-Leaved Violet

Of the violet family (Violaceae), the round-leaved violet or Viola rotundifolia.

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.

Of the violet family (Violaceae): left, sweet white violet (Viola blanda); right, lance-leaved violet (Viola lanceolata).

Sweet White Violet and Lance-Leaved Violet

Of the violet family (Violaceae): left, sweet white violet (Viola blanda); right, lance-leaved violet…

Of the violet family (Violaceae), the Viola palmata

V. Palmata

Of the violet family (Violaceae), the Viola palmata

Diagram of Violet-flower; showing the relation of parts to bract and axis.

Violet-Flower

Diagram of Violet-flower; showing the relation of parts to bract and axis.

Violets

Violets

Violets

A bed of violets

Violets

A bed of violets