Sporangia borne on an elevated, globular receptacle in a membranous, cup-shaped indusium which is open at the top.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

Margin of the indusium denticulate and beset with minute, stalked glands.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

Short, indusium usually more or less curved and frequently crossing a vein.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

It has small, elliptical, denticulate pinnules and a glandular-pubescent indusium.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

In ferns, an indusium; in filmy ferns, cup-shaped growths encircling the sporangia.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

Fruit-dots (sori) often covered, at least when young, by a membrane called the indusium.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

Pinnules distant, the reflexed, narrow margin forming a continuous, membranous indusium.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

Ovarium uniovulatum; stylus inflexus; stigmatis indusium ore nudum; semen in nuce solitarium.    From Wordnik.com.  [Journal of an Expedition into the Interior of Tropical Australia] Reference

The wood ferns, on the other hand, have a kidney-shaped indusium attached to the fronds by the sinus.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

Pinnules triangular-oblong, bearing short sori on their inwardly reflexed margins which form the indusium.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

Sori linear, a row on either side of the midvein, and at right angles to it, the indusium appearing to be double.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

The indusium whitish and sometimes herbaceous, formed of the reflexed margin of the lobes or of the whole pinnule.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

The sori of this species have a peculiar beauty on account of the star-shaped indusium, as it splits into fragments.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

These sori are of different shape in different genera, and are usually protected by a delicate membranous covering (indusium).    From Wordnik.com.  [Elements of Structural and Systematic Botany For High Schools and Elementary College Courses] Reference

Pinnules divided into minute, densely crowded segments, the herbaceous margin recurved and forming an almost continuous indusium.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

Sori on the edge of a pinnule terminating a vein; sporangia at the base of a long, bristle-like receptacle surrounded by a cup-shaped indusium.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

Small ferns with fruit-dots borne beneath the revolute margin of the pinnules, at first roundish, but soon confluent into a narrow band without indusium.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

The beech ferns are often classed with the polypodies, because, like them, they have no indusium; but in other ways they are more akin to the wood ferns.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

The indusium is usually considered as a rudimentary part of the rhinencephalon.    From Wordnik.com.  [IX. Neurology. 4e. Composition and Central Connections of the Spinal Nerves] Reference

Do you remember the scarlet Leschenaultia formosa with the sticky margin outside the indusium?.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 2] Reference

How curious that the indusium should first so cleverly collect pollen and then afterwards push it out!.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 2] Reference

Leschenaultia; for in the more typical genera it depends on the growth of the style inside the indusium.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 2] Reference

When the fruit is ripe, the indusium is something of a lilac colour, spotting the frond in double rows -- as you see it there.    From Wordnik.com.  [The Old Helmet, Volume I] Reference

When the fruit is ripe, the indusium is something of a lilac colour, spotting the frond in double rows – as you see it there.    From Wordnik.com.  [The Old Helmet] Reference

A circular indusium fixed to the frond by its depressed center.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

Finally the style emerges from the indusium (590/3.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 2] Reference

The characteristic feature of the flower in this order is the indusium, or, as Delpino (590/2.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 2] Reference

Bentham writes of this genus: -- "The indusium is usually described as broadly two-lipped, without any distinct stigma.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 2] Reference

Hairs of the indusium few and minute.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

(1) Sporangia on a continuous line; fronds large, ternate; indusium narrow.    From Wordnik.com.  [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference

361) the stigma rarely grows beyond the indusium in Dampiera.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 2] Reference