188 illustrations of flowers and shrubs including: harebell, hawkweed, heartsease, heath, hemlock, hemp, hibiscus, holly, honeysuckle, hop, horehound, horsetail, houseleek, huckleberry, hydrangea, and hyssop

Hymenocallis andreana has white flowers. The flowers grow on slender, one flowered scapes. The leaves are pale green. The plant grows one and a half feet tall.

Hymenocallis Andreana

Hymenocallis andreana has white flowers. The flowers grow on slender, one flowered scapes. The leaves…

The orders of hypericacea, guttiferae, and tamaricaceae are pictured. The flowers of these orders that are illustrated include (1) hypericum, (2) vismia, (3) garcinia, and (4) tamarix.

Orders of Hypericaceae, Guttiferae, and Tamaricaceae

The orders of hypericacea, guttiferae, and tamaricaceae are pictured. The flowers of these orders that…

Leaf, when examined against light with lens, showing semitransparent dots; flowers yellow or pink.

Hypericum

Leaf, when examined against light with lens, showing semitransparent dots; flowers yellow or pink.

The common names of hypericum androsaemum are sweet amber and common tutsan. The flowers are large and grow at the ends of the stems. The flowers bloom in summer. The shrub grows to be three feet tall.

Habit and Detached Flower of Hypericum Androsaemum

The common names of hypericum androsaemum are sweet amber and common tutsan. The flowers are large and…

The common names of hypericum perforatum are common hypericum and St. John's wort. The flowers are bright yellow and grow in clusters at the end of the stems. The petals are marked with black dots. The shrub grows between one and three feet tall.

Dehiscing Capsule and Portion and Inflorescence of Hypericum Perforatum

The common names of hypericum perforatum are common hypericum and St. John's wort. The flowers are bright…

Hypoxis erecta flowers are yellow and star shaped. Each scape has four flowers. The leaves are linear and taper to a point.

Scape and Leaf of Hypoxis Erecta

Hypoxis erecta flowers are yellow and star shaped. Each scape has four flowers. The leaves are linear…

Flower belonging to the daisy family, native to North America.

Thelesperma Hyridum

Flower belonging to the daisy family, native to North America.

Of the Mint family (Labiatae), the hyssop (Hyssopus officinalis).

Hyssop

Of the Mint family (Labiatae), the hyssop (Hyssopus officinalis).