Helichrysum

[Gr. helios, sun, and chrysos, gold.] (Bot.) A genus of plants, order Asteraceæ, and the type of that group of flowers which are called Everlastings or Immortelles. These "everlasting flowers" are in fact the flower-heads of the species of Helichrysum and of plants allied to it, which at one time or other have been separated. The ornamental part consists of the involucral scales, which in addition to their dry scarious durable character have acquired colors of more or le brilliancy. The common H. bracteatum of gardens has given rise to various Everlastings of distinct and showy colors. Heliciform, ( he - lis'i - form ,) a. [Lat. heliz , and form a, form.] Helical; having the form of a helix. Helic'idæ, n. pl. [Gr. helix, a spiral.] ( Zool .) The Land-snail family, containing terrestrial gasteropodous molluscs. They have a spiral shell, into which the body of the animal can be withdrawn (Fig. 1265). Most of the species pretty much resemble the common snails in their habits, feeding Fig. 1265. - HELIX ALBOLABRIS. on vegetable sub (Northern States.) stances of various kinds, and often proving troublesome to the farmer and gardener. There are 4,000 living species, and 300 fo il.