tracheides's Usage Examples:

(X41.) in the centrifugal direction, showing l a regular radial arrangement, with medullary rays between the seri s of tracheides (fig.

structure bears a general resemblance to Heterangium, the primary wood consists for the most part of short wide tracheides; probably, ?.?

The latter shows marked xerophytic adaptations; the single vascular bundle was surrounded by a sheath of short tracheides, and the stomata were sheltered in two deep furrows of the lower surface.

insigne, has scalariform tracheides, and is traversed by regular medullary rays, but in the forms from later ' horizons the tracheides are reticulately pitted, and the rays are for the most part replaced by a network of xylem-parenchyma.

The pitting of the tracheides is more or less scalariform in character, and is limited to the radial walls.

B entirely of radial bands of tracheides interspersed with medullary rays.

The stem is monostelic, the centre of the stele being occupied by a mass of short tracheides; but little can be said as to the primary structure of the central cylinder, which appears to be reduced.

maximum, where some short tracheides, arranged in radial rows, arise from a cambium.

Tubes formed by the elongation of single cells are found in bast fibres, tracheides, and especially in laticiferous cells.