Flora Hibernica: Comprising the Flowering Plants, Ferns, Characeæ, Musci, Hepaticæ, Lichenes and Algæ of Ireland, Arranged According to the Natural System with a Synopsis of the Genera According to the Linnæan System

Portada
W. Curray jun., 1836 - 279 páginas
 

Páginas seleccionadas

Otras ediciones - Ver todas

Términos y frases comunes

Pasajes populares

Página 73 - Calyx 5-parted, toothed, or cleft, inferior, with the odd segment anterior ; the segments often unequal, and variously combined. Petals 5, or by abortion 4, 3, 2, 1, or none, inserted into the base of the calyx, either papilionaceous or regularly spreading ; the odd petal posterior.
Página 258 - Anthers 2- or many-lobed, bursting outwardly ; often terminated by a crest, which is an unconverted portion of the scale out of which each stamen is formed : pollen large, usually compound.
Página 3 - Trunk more or less conical, formed of three parts one within the other, viz. the bark, the wood, and the pith, of which the wood is enclosed between the two others ; increasing by an annual deposition of new wood and cortical matter between the wood and bark. Leaves always articulated with the stem, with branching reticulated veins, often opposite and divided. Flowers generally with a distinct calyx and a quinary division of the floral envelopes. Embryo with two or...
Página 258 - ... also, which are sometimes obliterated, and sometimes extend beyond the scales in the form of a lobed appendage. Seeds with a hard crustaceous integument. Embryo in the midst of...
Página 189 - Pericarp with 2, or 4, or many cells, either a capsule with a double dissepiment parallel with the valves, or a berry with the placentae adhering to the dissepiment. Seeds numerous, sessile ; embryo straight or curved, often out of the centre, lying in a fleshy albumen ; radicle next the hilum.
Página 248 - Dwarf silky Willow. Leaves elliptical or elliptic-lanceolate, acute, entire, or with minute glandular serratures, somewhat downy, glaucous, and generally very silky beneath ; germens upon a long stalk, lanceolate, very silky ; stigmas bifid ; stems more or less procumbent.
Página 189 - ... imbricated. Stamens inserted upon the corolla, as many as the segments of the limb, with which they are alternate ; 1 sometimes being abortive.
Página 73 - Ovary simple, superior, 1-celled, 1- or many-seeded; style simple, proceeding from the upper margin ; stigma simple. Fruit either a legume or a drupe. Seeds attached to the upper suture...
Página 258 - ... spread open and having the appearance of a flat scale destitute of style or stigma, and arising from the axil of a membranous bractea; in the solitary flower apparently wanting. Ovules naked ; in the cones in pairs on the face of the ovary, having an inverted position, and consisting of 1 or 2 membranes open at the apex, and of a nucleus, in the solitary flower erect. Fruit consisting either of a solitary naked seed, or of a cone ; the latter formed of the scale-shaped ovaries, become enlarged...
Página 342 - Sort linear, transverse, on lateral nerves. Involucre double, occupying both sides of the sorus, superficial, opening, as it were, by a longitudinal suture. — Named from the lines of fructification resembling the feet of a Scolopendra. 1. S.

Información bibliográfica