The section of the fibro-vascular bundle differs at different heights.
"Elements of Structural and Systematic Botany" by Douglas Houghton Campbell
The browning in the vascular bundles appeared to be confined to the phloem tissue.
"Northern Nut Growers Association Thirty-Fourth Annual Report 1943" by Various
In all these vascular bundles the bundle-sheath is very strongly developed all round and is very much developed especially at the sides.
"A Handbook of Some South Indian Grasses" by Rai Bahadur K. Ranga Achariyar
The fibro-vascular bundle of the leaf is single in Soft Pines, double in Hard Pines.
"The Genus Pinus" by George Russell Shaw
The fibro-vascular bundles consist mainly of bast and wood fibers and vessels.
"All About Coffee" by William H. Ukers
The monocotyledons yield still more complex fibre aggregates, which are the fibro-vascular bundles of leaves and stems.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3" by Various
Vascular bundles run into the outer layer from the leaf-veins or the stele of the shoot, etc.
"Disease in Plants" by H. Marshall Ward
Buswell's bundle of joy, her 7-month-old son Casen, has a rare vascular condition that causes his blood vessels, skin and muscles to harden , and it will only worsen as he gets older.