=Tertius=, _n._ L. _tertius_, third; the name given in this book to a
suppositional plant.
=Thoreau=, _n._ Henry David Thoreau, an American author of the present
century, wrote a number of delightful books on nature.
=Tissue=, _n._ L. _texere_, to weave; a woven fabric; the cellular
fabric of plant structures.
=Tropæolum=, _n._ From a Greek word meaning “a turning,” hence, a
turning of the enemy, a defeat; finally, the sign of a defeat, a
trophy; the name of a plant, so called because of the shield-shaped
leaves, many shields together suggesting trophies taken from the
enemy.
=Tube cells=, _n._ The cells that build up the tubes of plants.
=Tuber=, _n._ L. _tuber_, a bump, swelling; a thickened portion of an
underground stem. The potato is a tuber; it stores up starch for the
use of the growing plant.
=Tubular corolla=, _n._ A tube-shaped corolla. The red honeysuckle has
a tubular corolla.
=Tunic=, _n._ L. _tunica_, a tunic; the name of a garment worn by the
Romans; a loose flowing robe; hence, any garment; a name given to
the scaly coverings of bulbs like the onion and hyacinth.
=Tunicated=, _a._ Having a tunic.