utrigerus 
Variation 
utricular ; utrig’erus (gero, I bear), 
bearing utricles. 
uva’rius (wva, a bunch of grapes) ; 
u’veous, composed of rounded 
parts connected by a support, like 
a bunch of grapes; uvif‘erus, 
(fero, I bear), grape-bearing ; uvi- 
form’is (forma, shape), grape-like. 
vacci‘nus (Lat., relating to cows), 
the colour of a dun cow, bay. 
vacil’lans (Lat., swaying), swinging 
freely, as the anthers of grasses. 
vacuolar, vac’uolate (dim. of vacuus, 
empty), possessing vacuoles; ~ 
-wall, the condensed plasmatic 
boundary of a vacuole (De Vries) ; 
Vac'uole, a cavity in the proto- 
plasm of cells which contains a 
watery liquid, the cell-sap ; Vacuo- 
liza‘tion, the formation of vacuoles ; 
vac’uus (Lat.), empty or void of 
the proper contents. 
vagiform’is (vagus, inconstant, 
Jorma, shape), having no certain 
figure. 
Vagina (Lat., a sheath), (1) a 
sheath, as of a leaf; (2) a part 
which invests another ; vag’inant, 
vagi’nans, sheathing or wrapping 
round; vag’inate, vagina’tus, 
sheathed ; Vaginel’la, (1) a small 
vagina; (2) in the plural = Ra- 
MENTA (Lindley). 
vaginer’vis, vaginer’vius, vaginer’- 
vose (vagus, inconstant, nervus, 
a nerve), when the veins are 
arranged without apparent order. 
vaginiferus (vagina, a sheath, /fero, 
I bear), furnished with a sheath ; 
Vag’inule, Vagi'nwa (Lat., a little 
sheath), (1) a sheath surrounding 
the base of the seta in Bryo- 
phytes; (2) { a tubular floret in 
Compositae ; vaginulif’eri Flores, 
the tubular florets of an anthodium 
(Lindley). 
vague, va’gus (Lat., unsettled), hav- 
ing no particular direction. 
Vail = VEIL. 
Vallec’ula or Vallic’ula (dim. of 
vallis, a valley), applied to the 
grooves in the intervals between 
284 
the ridges in the fruit of Umbelli- 
ferae; vallec’ular, pertaining to 
such grooves; ~ Canal’, in Hquise- 
twm, an intercellular canal in the 
cortical parenchyma, opposite a 
groove on the surface (Goebel). 
valva’ceus, t (valva, the leaf of 
a door, + aceus), furnished with 
visible valves; valva’ris (Lat.) 
= val'vate, valva’tus (Lat.), (1) 
opening by doors or valves, as 
in most dehiscent fruits and 
some anthers; (2) when parts of 
a flower-bud meet exactly with- 
out overlapping; Valve, Val’va 
(Lat., the leaf of a door), (1) 
a piece into which «a capsule 
naturally separates at maturity ; 
(2) the segment of a calyx meeting 
in vernation without overlapping ; 
(3) in Diatoms, each half of the 
silicified membrane in side view ; 
(4) the lid of an ascidium (Crozier) ; 
(5) the flowering glume of grasses 
(Stapf); (6) a partially detached 
flap of an anther ; Val’vae Se'minum 
= COTYLEDONS ; valved, = valvate, 
hence three-valved, five-valved, 
etc.; val’var Plane, that plane 
which passes through the apical 
and transapical axes of a Diatom 
(O. Mueller); valvea’nus, when a 
partition arises from the expansion 
of the inner substance of a valve; 
Val'velet, Val’vuie = Val'vula, (1) 
a diminutive valve ; (2) a flower- 
ing glume of grasses; (3) a bract 
in Cyperaceae ; val’vular = val- 
vate; valvula‘tus (Mod. Lat.) = 
articulate, jointed. 
Vanil'lin (Vanilla, an orchid genus) 
is deposited in the cell-wall on 
lignification ; with coniferin it 
gives wood-reactions. 
Vapora’rium (Lat., a steam-pipe), in 
botanic gardens, a stove or ‘‘ Bark- 
stove.” 
variable, varia'bilis (Lat., change- 
able), not constant in appearance ; 
var'ians (Lat.), varying ; Varia’tion 
(variatio, a difference), (1) a slight 
variety ; (2) a tendency to vary or 
depart from the type. 
