Search the Dictionary

ing to the genus Pentacta, or Cucumaria, as the common American and European species. (P. frondosa).

A kind of kelp (Laminaria digitata) with palmately cleft fronds; -- called also sea wand, seaware, and tangle.

A kind of seaweed (Chorda Filum) having blackish cordlike fronds, often many feet long.

The green papery fronds of several seaweeds of the genus Ulva, sometimes used as food.

Any bryozoan of the genus Flustra or allied genera which form frondlike corals.

blackish seaweed of the Southern Ocean, having a hollow and expanding stem and a pinnate frond, sometimes twenty feet long.

One of the fruit dots, or small clusters of sporangia, on the back of the fronds of ferns.

fern (Bot.), an Australian and West African fern (Platycerium alcicorne) having the large fronds branched like a stag's horns; also, any species of the same genus. -- Stag-horn sumac (Bot.), a common American shrub (Rhus typhina) having densely velvety branchlets. See Sumac. -- Stag party, a party consisting of men o…

The stalk or petiole of a frond, as of a fern.

Supported by a stipe; elevated on a stipe, as the fronds of most ferns, or the pod of certain cruciferous plants.

undifferentiated into stem, leaves, and roots, and shows no distinct tissue systems; the fronds of many algæ, however, are modified to serve many of the functions of the above-named organs. Both asexual and sexual reproduction, often of a complex type, occur in these forms. The Thallophyta exist almost exclusively as…

runk, sometimes twenty or twenty-five feet high, or even higher, and bearing a cluster of fronds at the top. Most of the existing species are tropical. -- Tree fish (Zoöl.), a California market fish (Sebastichthys serriceps). -- Tree frog. (Zoöl.) (a) Same as Tree toad. (b) Any one of numerous species of Old World fr…

Any fern of the genus Trichomanes. The fronds are very delicate and often translucent, and the sporangia are borne on threadlike receptacles rising from the middle of cup-shaped marginal involucres. Several species are common in conservatories; two are native in the United States.

of lichens, most of the species of which have long, gray, pendulous, and finely branched fronds. Usnea barbata is the common bearded lichen which grows on branches of trees in northern forests.

A genus of marine green algæ, in which the whole frond consists of a single oval or cylindrical cell, often an inch in length.

Having numerous or conspicuous veins; veiny; as, a venose frond.

f. (a) (Bot.) A little American fern (Camptosorus rhizophyllus); -- so called because the fronds taper into slender prolongations which often root at the apex, thus producing new plants. (b) (Zoöl.) A leaf insect. See under Leaf. -- Walking papers, or Walking ticket, an order to leave; dismissal, as from office. [Coll…