SCALE n.
h the females, when adult, become more or less scalelike in form. They are found upon the leaves and twigs of various trees and shrubs, and often do great damage to fruit trees. See Orange scale,under Orange. -- Scale moss (Bot.), any leafy-stemmed moss of the order Hepaticæ; -- so called from the small imbricated sca…
SEED n.
d mainly on seeds. -- Seed gall (Zoöl.), any gall which resembles a seed, formed, on the leaves of various plants, usually by some species of Phylloxera. -- Seed leaf (Bot.), a cotyledon. -- Seed lobe (Bot.), a cotyledon; a seed leaf. -- Seed oil, oil expressed from the seeds of plants. -- Seed oyster, a young oys…
SENSITIVE a.
irritation. E. Darwin. Sensitive fern (Bot.), an American fern (Onoclea sensibilis), the leaves of which, when plucked, show a slight tendency to fold together. -- Sensitive flame (Physics), a gas flame so arranged that under a suitable adjustment of pressure it is exceedingly sensitive to sounds, being caused to roa…