This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol1", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
The larger of two kinds of spores; borne by a plant, usually giving rise to a female prothallium.
Withering but remaining attached.
Pertaining to the pith or medulla.
One of the carpels of the Carrot Family.
The middle layer of a pericarp.
Orifice of the ovule, and corresponding point on the seed.
Sporange containing microspores.
The smaller of two kinds of spore borne by a plant, usually giving rise to a male prothallium; pollen-grain.
The central vein or rib of a leaf or other organ.
Stamens united by their filaments.
Like a string of beads.
Bearing stamens and pistils on the same plant, but in different flowers.
Unusual or deformed.
With a short sharp abrupt tip.
Diminutive of mucronate.
Roughened with short hard processes.
Pointless, or blunt.
Lacking organs or parts which are normally present in related species or genera.
Plants not indigenous to the region, but so well established as to have become part of the flora.
A sugar-secreting organ.
The junction of two internodes of a stem or branch, often hard or swollen, at which a leaf or leaves are usually borne.
Similar to nodes or joints; knotty.
Diminutive of nodose.
An indehiscent one-seeded fruit with a hard or bony pericarp.
Diminutive of nut.
Inverse of lanceolate.
Longer than broad with the sides nearly parallel, or somewhat curving.
Not evident; gone, rudimentary, or vestigial.
Blunt, or rounded.
The sheathing united stipules of Polygonaceae.
The ochreae subtending flowers in the Polygonaceae. Ochroleucous. Yellowish white.
The cell of the archegone which is fertilized by spermatozoids.
With an operculum.
Approximately circular in outline.
Term applied to the straight ovule, having the hilum at one end and the micropyle at the other.
The ovule-bearing part of the pistil.
In outline like a longitudinal section of a hen's egg.
Shaped like a hen's egg.
The macrosporange of flowering plants, becoming the seed on maturing.
The projection from the lower lip of two-lipped personate corollas.
A bract-like organ enclosing or subtending the flower in grasses.
Diverging radiately like the fingers.
A compound flower cluster of the racemose type, or cluster of sporanges.
Borne in panicles or resembling a panicle.
Term applied to the irregular flower of the Pea Family.
With minute blunt projections.
The bristles, awns, teeth, etc., surmounting the achene in the Chicory and Thistle Families.
Growing upon other plants and absorbing their juices.
Borne along the wall of the ovary, or pertaining to it.
The stalk of a flower in a flower-cluster, or of a sporange.
Stalk of a flower, or a flower-cluster, or a sporocarp.
With a peduncle.
Shield-shaped; a flat organ with a stalk on its lower surface.
With a tuft of hairs or hair-like branches.
Flowers with both stamens and pistils.
Leaves so clasping the stem as to appear as if pierced by it.
The modified floral leaves (sepals or petals), regarded collectively.
The wall of the fruit, or seed-vessel.
The utricle enclosing the ovary or achene in the genus Carex.
Borne on the perianth, around the ovary.
Pertaining to the periphery.
Organs remaining attached to those bearing them after the growing period.
One of the leaves of the corolla.
Similar to petals; petal-like.
With a petiole.
The stalk of the leaf.
A bladeless petiole or rachis.
In Carex, with lower leaves of the fertile culms normally blade-bearing.
With long soft hairs.
A primary division of a pinnately compound leaf.
Leaves divided into leaflets or segments along a common axis.
Pinnately cleft to the middle or beyond.
A division of a pinna.
The central organ of a flower containing the macrosporanges (ovules).
With pistils; and usually employed in the sense of without stamens.
An ovule-bearing surface.
Folded into plaits, like a fan.
Resembling a plume or feather.
The rudimentary terminal bud of the embryo.
Pollen-grain. Contents of the anther.