114 
Trun'cUvS, Tbunk— T he main stem, with- 
out the branches. 
Truss is the florist term for what the 
botanist calls an umbel of flowers. ^ At 
C^ueenslaiid Horticultural Exhibitions 
the terms “truss” and “spike” are 
used toinclude all kind.-i of inlioresceuce, 
which, to say the least of it, is very 
confusing. 
Trt'ma— A form of fruit. Drupaceous, 
superior, by abortion ouc-celled, one- 
seeded, with a two-valved indeluscent 
endocarp, avid a coriaceous or fleshy 
valveless sarcocarp. Example, the 
Walnut {Jiujbtnn). 
Tub^for'mts, Tuba’tus— T rumpet-shaped. 
Tube, Tu'bcs— T he tubulai’ portion formed 
by the cohesion of the subordinate 
parts composing a floral whorl, the 
part of a gaiuo-sepalous or x>etalous, 
calyx or conilla, formed by the union of 
the edges of the sepals or petals. The 
staminal tube is formed from the co- 
hesion of the filaments in monadel- 
phous flowers. 
Tu'ber — T his term is applied to a short, 
thick, more c»r less succulent rootstock 
or rhizome, as well as to a root of that 
shape, although some botanists pro- 
pose to restrict its meaning to tlie one 
or the other. An OrchU tuber, called 
by some a Knob, is an annual tuberous 
rootstock with one bud at tlie top. 
The potato is an annual tuberous root- 
stock with several buds. (Exainme the 
roots of the Eringe Violet, Th-tisumtus 
tuheroaus^ ah:o.) 
Tu'bercle, Tubkr'culum — A smaU wart- 
like excrescence, Tu'bercled, Tuber- 
cuLA'TUft — Covered with tubercles. 
Tubkr'cular, Tuberculo'sUS— H aving 
swollen appendages, or excrescences. 
Tubi, Tu'buli— T he pores of certain Fungi ; 
also ringed wibea found in the globule 
of a Charcb. 
Tubiflo'uus — W here the tube of a mono- 
petalons corolla is very long. TuBtFOU' 
MIS — Kescmbling a tube. Tdbil'lcs — 
Elongated cells of cellular tissue. 
Tu'BUT.An — Hollow and cylindrical. 
(See fcheflow’ers of lochronia iuluhsa.) 
TuiTA'NS~When leaves, during sleep, in- 
cline downwards, and appear, as it 
were, to protect the stem. 
Tu'midur — S wollen. Synonym for “In- 
flatus.” 
Tu'nica — A loose membranous skin invest- 
ing some organ ; synonym for “S|)er- 
mcjderm.” The peridium of some Fungi, 
Tunicatus (Coated)— When invested 
with a tunica. 
Tur'binate, Tubbina'tus— T op-shaped. 
Turfa'cecs, Turfc/.rus— U sed as “Torfa- 
ceus,” growing in bop. 
Tur'gidcs— S w'olleu thick, and as if 
swollen, but not inflated with air. 
Tu'bio (A tendril]^Th0 early stage of a 
sucker when invested by leaf-scales. 
TuRioyiFEUUS— Throwing up turiones, 
as the Asparagus plant. 
Ttm'pasum — A d rum. A membrane closing 
the mouth of the thecse in some Mosses. 
Uligino'sus, Uligina'rius — G rowing in 
marshy jjlaces, as Sdaginella uliginosct, 
a little Dycopodinous plant, plentiful 
around the swamps of Stradbroke 
Island. 
Ul'xa (A man’s arm)— Estimated at about 
twenty-four inches, Ulnaris — O f the 
length of an ulna. 
U'loturix— I n hair-like crisped linear 
divisions. 
Um'beLjUmbel'ua— A form of inflorescence, 
in which all the i^edieels start from the 
summit of the iieduncle UiiBELLA'rus 
— Wlien the iiiflorescence is in umbels, 
or api)roacIies to such a disposition of 
the flowei*s. Umbelltf'ehuh— B earing 
umbels. An umbel is said to be s 'mqjle 
when each of its branches <ir bears 
a single flower; comjmind when each 
ray bears a pariAtU umbel or umbellula. 
(See the inflorescence of the Order 
Umbelliferic, also of the lovely garden 
plant Agttptmthu^ unthellaiiiif, the 
African Lily or Love-flower.) 
Um'ber— A dark-brown ; grey with a little 
i red. 
i Ujibil'ical-CORI) [UmlAHcns, the navel)— 
I Synonym for “Funicular-chord.” 
Umbil'tcatf^ Umbilica'tus- -H aving 
a depression in the centre. Also 
[Kmbilicu,^, a boss) with an elevation 
ill the centre ; synonym for “Peltate.” 
UM'BO(Aboss) — Synonym for “Umbilicus” 
when ap)>lied to a central elevation. 
Umboxa'tu.s — Furnished with an 
umbo. Umbonulatus— W hen an umbo 
is very small. (See the fruit of Capparis 
wnbonatnx, one of the so-called Native 
Pomegranates.) 
Umbra'gui.um— H aving the general form 
of an umbrella. XJMBUACt'LiFOR'MTS — 
Umbrella-shaped. 
' Umbbati'colus — Siiontaneously vegetat- 
ing in shady situations. 
Umbri'nus— T he colour of umber. 
U M Buo'sus — Applied to shade-lo ving plants, 
as Aiipleniam umhromm. 
Unangula'tus— W hen a stem, &c., has a 
projecting line or angle along one side 
only. 
Unca'tcs— -H ooked, bent, or recurved at 
the top like a hook. Uncifobmis, 
XJncinatus — S ynonym for “Uncatus.” 
Un'cia (An inch)— About an inch long. 
Unctalis— O f the length expressed by 
“Uncia.” 
Ukctuo'sus— G reasy. 
Un^ccb— A hook. 
Unda'tus, Uxdosus', Undulatus— W avy, 
waved. Synonym for “ Repandus.” 
Undershbub— A plant only partially 
shrubby, the ends of the newly-formed 
branches continuing herbaceous, and 
dying away in winter. 
Unouic'ulatb, U n’gvicul' aris, Q NGUicr* 
la'tus — F urnished with a claw. Un'- 
QUis — A daw ; alio about the length of 
the finger-nail, or half-an-inch. 
UNicAPaDL.v'Ris — Compo.sed of a single 
capsule. U N iceli.ul a' ris— C omposed 
of a single cell. Uxi'couoR— Of one 
uniform tint. Uni'cds— W here there 
