87 illustrations of flowers and shrubs including: wallflower, watercress, waterweed, willow, wintergreen, woad, wolfsbane, wormwood, yam, yarrow, yucca, and zamia

"Flower-cluster of yarrow (Achillea Millefolium). A, head seen from above; B, longitudinal section; re, receptacle; ch, chaff; i, involucre; r, ray-flowers; d, disk-flowers; c, corolla; s, stigma." -Bergen, 1896

Yarrow

"Flower-cluster of yarrow (Achillea Millefolium). A, head seen from above; B, longitudinal section;…

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.

A species of flower, native to the temperate climate.

Yellow Iris

A species of flower, native to the temperate climate.

Yellow water lily is the common name of nuphar luteum. The flowers are yellow with a brandy-like scent. The stalks rise a little above the surface of the water.

Yellow Water Lily

Yellow water lily is the common name of nuphar luteum. The flowers are yellow with a brandy-like scent.…

"Xyris operculata; 1. a flower seen in front; 2. a style, stigmas and stamens." -Lindley, 1853

Yellow-Eyed Grass

"Xyris operculata; 1. a flower seen in front; 2. a style, stigmas and stamens." -Lindley, 1853

The funiculus is very long and the inner coat projects considerably at the microphyle.

Young Camplyotropous Ovule of Lychnis Diurna in Optical Section

The funiculus is very long and the inner coat projects considerably at the microphyle.

The cassava, yuca, manioc, mogo or mandioca (Manihot esculenta) is a woody shrub of the Euphorbiaceae (spurge family) native to South America that is extensively cultivated as an annual crop in tropical and subtropical regions for its edible starchy tuberous root, a major source of carbohydrates. Cassava is the third largest source of carbohydrates for human food in the world, with Africa its largest center of production. The flour made of the roots is called tapioca.

Yuca

The cassava, yuca, manioc, mogo or mandioca (Manihot esculenta) is a woody shrub of the Euphorbiaceae…

"Yucca is a genus of American plants, natural order Liliaceæ popularly known as Adam's needle. They are evergreen shrubs, their stem tending to arborescence, crowned by a circle of linear, lanceolate, rigid leaves, from the center of which rises a large panicle of snow-white, whitish-green or cream-colored flowers."—(Charles Leonard-Stuart, 1911)

Yucca

"Yucca is a genus of American plants, natural order Liliaceæ popularly known as Adam's needle.…

A genus of plants of the lily family, having woody stems, lanceolate leaves, and a large panicle of showy, whitish, bell-shaped, drooping flowers.

Yucca

A genus of plants of the lily family, having woody stems, lanceolate leaves, and a large panicle of…

Diagram of structure of Palm or Yucca.

Yucca

Diagram of structure of Palm or Yucca.

A branch of Yucca arborescens, a species in the agave family.

Branch of Yucca Arborescens

A branch of Yucca arborescens, a species in the agave family.

The branch of a Yucca faxoniana, a species of perennial shrub native to the southwest United States.

Branch of Yucca Faxoniana

The branch of a Yucca faxoniana, a species of perennial shrub native to the southwest United States.

The branch of a Yucca macrocarpa, a species of agave plant.

Branch of Yucca Macrocarpa

The branch of a Yucca macrocarpa, a species of agave plant.

The branch and fruit of a Yucca mohavensis, a species of plant from the agave family.

Branch of Yucca Mohavensis

The branch and fruit of a Yucca mohavensis, a species of plant from the agave family.

The branch of a Yucca Radiosa, a species of perennial shrub from the agave family.

Branch of Yucca Radiosa

The branch of a Yucca Radiosa, a species of perennial shrub from the agave family.

The Yucca aloifolia also known as the Aloe Yucca or Spanish Bayonet.

Aloe Yucca

The Yucca aloifolia also known as the Aloe Yucca or Spanish Bayonet.

"A several-seeded, dehiscent, dry fruit."—Nicholson, 1884

Pod of Yucca

"A several-seeded, dehiscent, dry fruit."—Nicholson, 1884

"Leaves of Zamias." -Lindley, 1853

Zamia Leaves

"Leaves of Zamias." -Lindley, 1853

Leaves with narrow bases.

Zannichellia

Leaves with narrow bases.

Plants belonging to the Zinnia genus, commonly cultivated for bright flowers.

Zinnia

Plants belonging to the Zinnia genus, commonly cultivated for bright flowers.

Pistullate spikelets borne above staminate in inflorescence; leaves not cutting.

Zizania

Pistullate spikelets borne above staminate in inflorescence; leaves not cutting.

Perennial grass belonging to the Poaceae family, seen throughout India.)

Vetiveria Zizanioides

Perennial grass belonging to the Poaceae family, seen throughout India.)

Pistullate and staminate spikelets intermixed; leaves with scabrous, cutting margins.

Zizaniopsis

Pistullate and staminate spikelets intermixed; leaves with scabrous, cutting margins.

Plant featuring branched joints and red or pink flowers.

Zygocactus Truncatus

Plant featuring branched joints and red or pink flowers.

Having bilateral symmetry, as the corollas of many <em>Leguminosoe</em>.

Zygomorphic

Having bilateral symmetry, as the corollas of many Leguminosoe.

Plant belonging to the orchid family.

Zygopetalum Machaii

Plant belonging to the orchid family.

The upper portion of a fertile frond of a Platycerium &AElig;thiopicum.

Platycerium Æthiopicum

The upper portion of a fertile frond of a Platycerium Æthiopicum.