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Root hairs of lettuce, with adherent soil grains.

Lettuce Root

Root hairs of lettuce, with adherent soil grains.

A head of Romain lettuce.

Romain lettuce

A head of Romain lettuce.

A Charleston Wakefield cabbage, a pointed head cabbage popular among Florida growers.

Charleston Wakefield cabbage

A Charleston Wakefield cabbage, a pointed head cabbage popular among Florida growers.

An annual plant cultivated in gardens, and which serves as a salad. There are many species, most of which attain a height of two feet, bear yellowish flowers, and have variously formed leaves.

Lettuce

An annual plant cultivated in gardens, and which serves as a salad. There are many species, most of…

Head of cabbage.

Cabbage

Head of cabbage.

Of the Composite family (Compositae), the wild lettuce (Lactuca hirsuta).

Wild Lettuce

Of the Composite family (Compositae), the wild lettuce (Lactuca hirsuta).

"Pistia Stratiotes. 1. A spathe with its 2 flowers; 2. a section of a seed-vessel; 3. a seed; 4. the same cut perpendicularly." -Lindley, 1853

Water Cabbage

"Pistia Stratiotes. 1. A spathe with its 2 flowers; 2. a section of a seed-vessel; 3. a seed; 4. the…

An illustration of a head of romaine lettuce.

Romaine Lettuce

An illustration of a head of romaine lettuce.

Gonionemus is a type of hydrozoan related to jellyfish. It uses adhesive discs near the middle of each tentacle to attach to eelgrass, sea lettuce or various types of algae instead of swimming. They are small bell shaped and hard to see when hanging on to swaying seaweed.

Gonionemus Jellyfish

Gonionemus is a type of hydrozoan related to jellyfish. It uses adhesive discs near the middle of each…

Gonionemus is a type of hydrozoan related to jellyfish. It uses adhesive discs near the middle of each tentacle to attach to eelgrass, sea lettuce or various types of algae instead of swimming. They are small bell shaped and hard to see when hanging on to swaying seaweed. Enlarged portions of a hydroid colony bearing the mouth and tentalces of this jellyfish are shown here.

Gonionemus Jellyfish

Gonionemus is a type of hydrozoan related to jellyfish. It uses adhesive discs near the middle of each…

Gonionemus is a type of hydrozoan related to jellyfish. It uses adhesive discs near the middle of each tentacle to attach to eelgrass, sea lettuce or various types of algae instead of swimming. They are small bell shaped and hard to see when hanging on to swaying seaweed. Enlarged portions of a hydroid colony bearing the mouth and tentalces of this jellyfish are shown here.

Gonionemus Jellyfish

Gonionemus is a type of hydrozoan related to jellyfish. It uses adhesive discs near the middle of each…

Gonionemus is a type of hydrozoan related to jellyfish. It uses adhesive discs near the middle of each tentacle to attach to eelgrass, sea lettuce or various types of algae instead of swimming. They are small bell shaped and hard to see when hanging on to swaying seaweed. This jellyfish diagram illustrates its method of locomotion.

Gonionemus Jellyfish

Gonionemus is a type of hydrozoan related to jellyfish. It uses adhesive discs near the middle of each…

Also known as Campanula rapunculus. "A hardy biennial, cultivated for the use of its fleshy roots in salads, either boiled or in a raw state, generally the latter; the leaves are also used in winter salads."—Nicholson, 1884

Rampion

Also known as Campanula rapunculus. "A hardy biennial, cultivated for the use of its fleshy roots in…

An 18th century English variety of Romaine lettuce.

Bath Cos Lettuce

An 18th century English variety of Romaine lettuce.

A plant used both as a salad and for manufacturing into table mustard.

Black Seeded Mustard

A plant used both as a salad and for manufacturing into table mustard.

Cabbage lettuces have broad, rounded leaves forming a low, spreading head nearly close on the ground.

Cabbage Lettuce

Cabbage lettuces have broad, rounded leaves forming a low, spreading head nearly close on the ground.

Cos lettuces grow upright. The leaves have an oblong shape.

Cos Lettuce

Cos lettuces grow upright. The leaves have an oblong shape.

Illustrated is a heading type of lettuce.

Lettuce

Illustrated is a heading type of lettuce.

Illustrated is a clustering type of lettuce.

Lettuce Type

Illustrated is a clustering type of lettuce.

Illustrated is a cross section of a greenhouse used for growing lettuce and cucumbers. The slanting side toward the right (north) is boarded and used for forcing rhubarb. The cucumber plants are trained vertically.

Greenhouse for Lettuce and Cucumber

Illustrated is a cross section of a greenhouse used for growing lettuce and cucumbers. The slanting…

Cabbage Lettuce is distinguished by its broad leaves and low spreading habit. It is an annual plant, and has long been cultivated as a salad plant. It was grown by the Greeks and Romans for this purpose.

Cabbage Lettuce

Cabbage Lettuce is distinguished by its broad leaves and low spreading habit. It is an annual plant,…

Cos Lettuce, or Romaine Lettuce, is distinguished by its upright habit, and the oblong form of its leaves.

Cos Lettuce

Cos Lettuce, or Romaine Lettuce, is distinguished by its upright habit, and the oblong form of its leaves.