A vascular bundle consists of only xylem and phloëm, without the cambium, and so no secondary thickening can take place in the stems of grasses.
In each of these bands lies a vascular bundle on the upper side near the periphery.
The cross and longitudinal sections of a vascular bundle of the stem of Pennisetum cenchroides, are shown in figs.
The leaf is more or less deeply cleft, and traversed by veins which are continuations of the fibro-vascular bundle of the stalk, and themselves fork once or twice.
The fibro-vascular bundle is U-shaped near the base of the stalk; but higher up it is more like a broad, open V; and just below the forking of the stalk it separates into two portions.
The exterior sheath is firm; inside of it is brownish parenchyma, and in the middle a semicircular fibro-vascular bundle, the ducts in the centre of it arranged in a figure much like a letter X.
The section of the stalk shows a single U-shaped fibro-vascular bundle, and a strong outer sclerenchymatous sheath.
The fibro-vascular bundle of the leaf is single in Soft Pines, double in Hard Pines.
The fibro-vascular bundle of the leaf, single or double.
The two sections of the genus, Haploxylon and Diploxylon, established by Koehne on the single and double fibro-vascular bundle of the leaf, are even more accurately characterized by these two forms of bract-insertion.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "vascular bundle" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
