How To Use Indusium In A Sentence
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The contraction and imperfect development of the fronds of some varieties of ferns, hence called depauperated, may receive passing notice, as also the cases in which the sori or clusters of spore cases are denuded of their usual covering, owing to the abortion or imperfect development of the indusium, as in what are termed exindusiate varieties. [
Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants
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Indusium fixed by its outer margin to a veinlet and opening on the inner side.
The Fern Lover's Companion A Guide for the Northeastern States and Canada
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Indusium hidden beneath the sporangia, consisting mostly of a few hair-like divisions.
The Fern Lover's Companion A Guide for the Northeastern States and Canada
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Indusium straight or rarely curved, fixed lengthwise on the upper side of a fertile veinlet, opening toward the midrib.
The Fern Lover's Companion A Guide for the Northeastern States and Canada
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Indusium hood-shaped, fixed centrally behind the sorus and arching over it, soon withering, often illusive.
The Fern Lover's Companion A Guide for the Northeastern States and Canada
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That the indusium is a _special_ organ, i.e. not an eruption of the cuticle, I am sure; hence it is essential to examine extensively both indusiate and other forms, the precise extension of their veins, etc. at an early period to ascertain if their most diversified situations cannot be reduced to some one type.
Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries
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Two pairs of medial and lateral longitudinal striae of white matter are embedded within the gray matter of the indusium, creating four fine ridges.
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As the fornix passes beneath the corpus callosum it receives fibers from the longitudinal striæ of the indusium and from the cingulum; these are the perforating fibers of the fornix which pass through the corpus callosum and course in the fornix toward the mammillary body.
IX. Neurology. 4e. Composition and Central Connections of the Spinal Nerves
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The upper surface of the intermediate portion of the corpus callosum is covered by a thin veil of gray substance - the indusium griseum.
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Ovular characters determine the grouping in the Dicotyledons, van Tieghem supporting the view that the integument, the outer if there be two, is the lamina of a leaf of which the funicle is the petiole, whilst the nucellus is an outgrowth of this leaf, and the inner integument, if present, an indusium.
Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
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Sori (singular _sorus_, a heap), or fruit dots may be naked as in the polypody, but are usually covered with a thin, delicate membrane, known as the indusium (Greek, a dress, or mantle).
The Fern Lover's Companion A Guide for the Northeastern States and Canada
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Indusium fixed under the sporangia, appearing like a tiny green cup filled with spore cases.
The Fern Lover's Companion A Guide for the Northeastern States and Canada
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Indusium cup-shaped, fixed beneath the sorus, supported by the tooth of a leaf; sporangia borne in an elevated, globular receptacle open at the top.
The Fern Lover's Companion A Guide for the Northeastern States and Canada
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Ovular characters determine the grouping in the Dicotyledons, van Tieghem supporting the view that the integument, the outer if there be two, is the lamina of a leaf of which the funicle is the petiole, whilst the nucellus is an outgrowth of this leaf, and the inner integument, if present, an indusium.
Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
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When followed backward the dentate gyrus separates from the fimbria at the splenium, loses its incisions and knobs, and as the fasciola cinerea passes over the splenium onto the dorsal surface of the corpus callosum and spreads out into a thin layer of gray substance known as the indusium, which can be traced forward around the genu of the corpus callosum into the gyrus subcallosus.
IX. Neurology. 4e. Composition and Central Connections of the Spinal Nerves
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The white matter of the indusium known as the medial longitudinal striæ (nerves of Lancisi) and the lateral longitudinal striæ, are related to the indusium somewhat as the cingulum is to the gyrus cinguli.
IX. Neurology. 4e. Composition and Central Connections of the Spinal Nerves
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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.
The Fern Lover's Companion A Guide for the Northeastern States and Canada
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Indusium star-shaped, of a few irregular segments fixed beneath the sorus, often obscure.
The Fern Lover's Companion A Guide for the Northeastern States and Canada
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It differs from it, however, by being twice pinnate below, and from the typical spinulose fern by its glandular indusium; but from the intermediate variety it is more difficult to separate it, as that also has indusiate glands.
The Fern Lover's Companion A Guide for the Northeastern States and Canada
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Indusium minute, concealed beneath the sorus, divided into a few beaded hairs.
The Fern Lover's Companion A Guide for the Northeastern States and Canada
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The latter is covered by the indusium griseum, a thin sheet of rudimentary cortex containing (on each side) the delicate medial and lateral longitudinal striae.
