ClipArt ETC
"<i>Polygala senega</i> of eastern North America. It sends up several stems from hard knotty root-stocks, bearing single close racemes of white flowers." &mdash;Whitney, 1889 <p>This illustration includes the upper portion of the stem and the flowers.

Seneca Snakeroot - Stem and Flowers

"Polygala senega of eastern North America. It sends up several stems from hard knotty root-stocks, bearing…

"<i>Polygala senega</i> of eastern North America. It sends up several stems from hard knotty root-stocks, bearing single close racemes of white flowers. It is the source of the officinal senegaroot, and from being much gathered is said to have become scarce in the east." &mdash;Whitney, 1889 <p>This illustration is of the fruit of the plant.

Seneca Snakeroot - the Fruit

"Polygala senega of eastern North America. It sends up several stems from hard knotty root-stocks, bearing…

Leaves of Solanum jasminoides, the petiole adapted for climbing.

Solanum Jasminoides

Leaves of Solanum jasminoides, the petiole adapted for climbing.

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 Sedum acre or Goldmoss Stonecrop is a creeping plant native to Europe.

Goldmoss Stonecrop

The Sedum acre or Goldmoss Stonecrop is a creeping plant native to Europe.

Sweet-Potato plant forming thickened roots. Some in the middle are just beginning to thicken; one at the left has grown more; one at the right is still larger.

Sweet-Potato

Sweet-Potato plant forming thickened roots. Some in the middle are just beginning to thicken; one at…

"A plant of the genus <i>Sonchus</i>, primarily <i>S. oleraceus</i>, a weed of waste places, probably native in Europe and central Asia, but now diffused nearly all over the world. It is a smooth herb with a milky juice, bearing runcinate-pinnatifid leaves and rather small yellow flower heads... 1. upper part of the stem with the heads; 2. one of the basal leaves; a, a flower; b, the achene with the pappus." &mdash;Whitney, 1889

Sow Thistle - Stem with Heads, Basal Leaves, Flower, Achene with Pappus

"A plant of the genus Sonchus, primarily S. oleraceus, a weed of waste places, probably native in Europe…

A plant with dense amounts of leaves. The stems grow up to 5 feet, and are commonly found in Siberia.

Rheum Undulatum

A plant with dense amounts of leaves. The stems grow up to 5 feet, and are commonly found in Siberia.

A summer branch of Uvularia perfoliata; upper cordate-clasping, uppermost simply sessile.

Uvularia

A summer branch of Uvularia perfoliata; upper cordate-clasping, uppermost simply sessile.

Roots of Yellow Gerardia, some attached to and feeding on the root of Blueberry-bush.

Yellow Gerardia

Roots of Yellow Gerardia, some attached to and feeding on the root of Blueberry-bush.