115 
is only’one of a particular part specified. 
Uniflo'RUS — S upporting or subtend- 
ing a single flower. ITnifolia'tus, 
Unifo'lR'.s — B eanngonly a single leaf. 
Unifolioatus — Whore a }>eduncle 
supx)orts a single leaflet, distinguished 
as such by being articulate to it. 
XJnige'ncs — P utting forth leaves once 
only in the year. 
Unijuga'tus, untju'gus— a ]>innate fonn 
with only a single i^air of subordinate 
parts. Un'ILABlVtus — A n irregular 
monopetalous corolla, with only one lip. 
A monopetalous corolla, slit on one side, 
as in the “ligulato” florets of Com- 
positee. Unilat'eralls— E ither dis- 
posed along one side, or entirely form- 
ing one side. U>’ilo'cvi.ae, XTjjilocu- 
la'ris — W ith one cell only. ITniovc- 
la'tus — W hen a cell in the pericarp 
contains only one ovule. Eor example 
see Brnnsifchia {Frani’isccu) umfora. 
XJnstratified — Applied to a Lichen 
thallus in which the normal layers 
cannot be distinctly seen, but are con- 
fused. 
Uba — I n Greek compounds, signifies a tail 
or tail-like process. 
Urce'olate, Ukceola'rts, Urceola'tus — 
Shaped somewhat like a pitcher with a 
contracted mouth. Urck'olus — A 
membranous or cartilaginous tube, 
swollen below, and more or less con- 
tracted above. (See flowers of Ipmuoia 
nrceohita.) 
U'REN's — Stinging, as the English Nettle, 
Urtka urcns, 
Ur'xa, Urn — T he theca or spore-case of 
Mosses. The base of a pyxidium. 
Us'tl's— S corched. Ustflatk— B lackened, 
as the corn smuts, Uiftifaito. 
XJ'terus (The womb) — Synonym for 
“Volva.” U'terine— B elonging to the 
womb. Catechu, a product of Acacia 
catechu, has been used in uterine 
haemorrhages. 
Utri'cle, UriTcle, Urtri^oulUB— a small 
superior, membranous, and monosper- 
mous pericarp, dehiscing by a trans- 
verse incision. This diners from the 
pyxidium in texture, being strictly 
simple — I.C., not proceeding from an 
ovary with obliterated di.ssepiments. 
For example, take the fruit of any 
species of Amaravtus or Cherwpodiuvi, 
Also, a little bladder filled with air, 
attached to certain aquatic plants. 
Utrtculo'svs — B earing many of the 
air bladders termed “ utricularis.” 
Uva'rius, Uvif'kkus, XJvifob'mis— C om- 
posed of round parts connected by a 
support, like a bunch of grapes. 
Vaccarius — C ow herb. (See Sapo7iaria 
vOccarm, Cow herb ; so called from the 
belief that it possessed the power of 
exciting the lacteal secretion in cows.) 
Vac'ci'nus (Belonging to a cow) — Of a dun 
colour. 
Vacil'lans (Waving) — Synonym for 
“ Versatilis.” 
Vacuole — D rops which are seen in the 
interior of the protoplasm of cells. 
: Va'ccus (Void) — \Vhen an organ is without 
! some part which is usually present 
within it, or with it, as a carpel without 
j ovule?, a bract without a flower-bud. 
j Vagifok'.mib — I^ ssessing no well-defined 
I form. Vaginkrvib— W here the nepes 
are irregularly disposed, in various 
directions, as in the leaves of succulent 
- plants. 
Vagi'na— A sheath. Also any i)art which 
completely surrounds another. Vagi'- 
Nanb — A ssuming the conditions of a 
vagina. Vagina'tub— S urrounded by a 
vagina. Vaginel^la — W here a vagina 
is very small. Vagin'ula— A small 
sheath at the base of the seta in 
Mosses. 
Va'gub (^Vandel‘ing or inconstant)— Pro- 
ceeding in no aetinite direction. (See 
inflorescence of Aristida vagans,) 
VALUK'cur.A (Diminutive from Vallk, a 
valley) — A depressed space (interstice) 
between the primary ridges on the fruit 
of Uinbellifer?e, 
Valve, Val'va— D istinct portions of cer- 
tain organs (as in anthers and pericarps) 
which bec(*me detached by regular 
dehiscence along definite linesof suture. 
V Ai.y ACECR — F urnished w i th val ves. 
Valvate, Valvaris, Valvatus — 
When contiguous organs, or similar 
subordinate parts, touch each other 
along the edges without overlapping. 
Valveanus — W hen a partition eman- 
ates from the expansion of the inner 
substance of a valve. 
Varia'bilib, VA'ErAXs — Presenting a 
variety in character ; as when leaves 
are variously modified on the same 
plant: Example: Dahlia I'ariahilk. 
Var'icose — S wollen here and there. 
Va'uikgated, Variega'tub, V.arius— 
Where colours are disposed in irregular 
patches. (See the flowers of Baxihinia 
varUgata , ) 
Vari'ety, Vabi'etas — An individual 
possessing a form to a certain degree 
ntodified from that which is considered 
to be most characteristic of the species. 
As for example, take Vinca rosea, var. 
occUaia; this is a variety of Vinca rosea 
with a red eye-like centre to the flower. 
Vari'folics— P ossessing leaves of dif- 
ferent forms. 
Vari'Ola (The pustule of small-pox)— A 
shield in Lichens. 
Va'rius (Changeable) — Where colour 
gradually changes from one tint to 
another. 
Vas'cular, Vascula'ris, Vasculo'sus— 
{Vas, a vessel). Containing vessels. 
Vascular System — T hose interior 
portions of any plant in which vessels 
occur. V.\s'cuLUii — Synonym for 
“Ascidium.’’ 
Vabiduc'tus — S ynonym for Raphe.” 
Vault'ed— S ee “Fornicatus.” 
