ose_, clothed with matted woolly hairs (_tomentum_).

_Tongue-shaped_, long and flat, but thickish and blunt.

_Toothed_, furnished with teeth or short projections of any sort on the
margin; used especially when these are sharp, like saw-teeth, and do not
point forwards, 55.

_Top-shaped_, shaped like a top, or a cone with apex downwards.

_Torose_, _Torulose_, knobby; where a cylindrical body is swollen at
intervals.

_Torus_, the receptacle of the flower, 81, 112.

_Trachea_, a spiral duct.

_Trachys_, Greek for rough; used in compounds, as, _Trachyspermous_,
rough-seeded.

_Transverse_, across, standing right and left instead of fore and aft.

_Tri-_ (in composition), three; as,

_Triadelphous_, stamens united by their filaments into three bundles,
99.

_Triandrous_, where the flower has three stamens, 112.

_Tribe_, 178.

_Trichome_, of the nature of hair or pubescence.

_Trichotomous_, three-forked.

_Tricoccous_, of three cocci or roundish carpels.

_Tricolor_, having three colors.

_Tricostate_, having three ribs.

_Tricuspidate_, three-pointed.

_Tridentate_, three-toothed.

_Triennial_, lasting for three years.

_Trifarious_, in three vertical rows; looking three ways.

_Trifid_, three-cleft, 56.

_Trifoliate_, three-leaved. _Trifoliolate_, of three leaflets.

_Trifurcate_, three-forked.

_Trigonous_, three-angled, or triangular.

_Trigynous_, with three pistils or styles, 116.

_Trijugate_, in three pairs (_jugi_).

_Trilobed_ or _Trilobate_, three-lobed, 55.

_Trilocular_, three-celled, as the pistils or pods in fig. 328-330.

_Trimerous_, with its parts in threes.

_Trimorphism_, 117. _Trimorphic_ or _Trimorphous_, in three forms.

_Trinervate_, three-nerved, or with three slender ribs.

_Trioecious_, where there are three sorts of flowers on the same or
different individuals, as in Red Maple. A form of Polygamous.

_Tripartible_, separable into three pieces. _Tripartite_, three-parted,
55.

_Tripetalous_, having three petals.

_Triphyllous_, three-leaved; composed of three pieces.

_Tripinnate_, thrice pinnate, 59. _Tripinnatifid_, thrice pinnately
cleft, 57.

_Triple-ribbed_, _Triple-nerved_, &c., where a midrib branches into
three, near the base of the leaf.

_Triquetrous_, sharply three-angled; and especially with the sides
concave, like a bayonet.

_Triserial_, or _Triseriate_, in three rows, under each other.

_Tristichous_, in three longitudinal o