V. sambucifolia, with flowers white and borne in large umbelliferous heads in July, is among the more effective things for grouping in the mixed border, rising nearly 6 feet high and being considerably more than that across.
When unfolding they remind one of a finely-cut umbelliferous plant in spring; when fully grown the midribs are red; and in autumn the leaves glow off into a bright color after the fashion of American shrubs.
Giant Parsnip (Heracleum) - Umbelliferous perennials, mostly of gigantic growth, having huge spreading leaves and tall flower-stems, with umbelled clusters of small white flowers 1 foot or more across.
Giant Fennel (Ferula) - Very graceful umbelliferous plants long known in our botanic gardens, their charm consisting in large tufts of the freshest green leaves in early spring.
Melanoselinum Decipiens - An umbelliferous shrub from Madeira, with a round simple stem, bare below, and large, spreading compound leaves.
Very remarkable plants of the umbelliferous order, mostly of an attractive character.
Gigantic umbelliferous plants, with magnificent foliage, adapted for shrubbery borders or open spots on lawns.
This sheath is comparatively rare in dicotyledons, but is seen in umbelliferous plants.
Labiate, composite and umbelliferous plants are most common.
At the base of the general umbel in umbelliferous plants a whorl of bracts often exists, called a general involucre, and at the base of the smaller umbels or umbellules there is a similar leafy whorl called an involucel or partial involucre.