laevis 
Latex 
lae’vis (evs, smooth), smooth, in the 
sense of not being rough. 
lage’niform, lageniform’is (lagena, a 
flask ; forma, shape), shaped like a 
Florence flask, 
lago’pus (Aaydrous, hare’s foot), hare- 
footed, densely covered with long 
hair. 
Lam’el, Lamel’la (Lat., a thin plate or 
scale), a thin plate ; pl., Lamel’lae, 
the gills of Agarics; lamellar, 
lamella'ris, composed of thin plates; 
lam’ellate, Jamella’tus, made up of 
thin plates, as the hymenium of the 
mushroom; lamel’liform (forma, 
shape), in the shape of a plate or 
scale; lam’ellose, /amel/o’sus = LAM- 
ELLATE; Lamel’lulae, the gills of 
Fungi. 
Lam‘ina (Lat., a thin leaf), the limb, 
blade, or expanded part of a leaf ; 
~ prolig’era; ~ sporig’era, the 
disk or centre of the apothecium 
of a Lichen; ~ lamina’ted, con- 
sisting of plates or layers; ~ 
Bulb, a tunicated bulb, as a 
hyacinth ; lamina’ting, separating 
into layers. 
La’na (Lat.) wool, or woolly covering ; 
la’nate, lana’tus, clothed with 
woolly and intergrown hairs. 
lan'ceolate, /anceola’tus (Lat., armed 
with a little lance), (1) narrow, 
tapering to each end; Linnaeus 
used it for a leaf having nearly 
similar extremities, but in modern 
use, the base is usually somewhat 
broadened, and the greatest breadth 
at about one-third from the base ; 
(2) the primitive meaning is pre- 
served in Carduus lanceolatus, 
Linn. ; ~ has’tate, a hastate leaf, 
with the principal lobe lanceolate; 
~sagittate, a sagittate leaf, the 
middle lobe lanceolate; lance-o’vate 
(Crozier), lanceolate ovate, indica- 
tive of a form intermediate between 
the two named terms; lance-shaped, 
lanceolate. 
Ja‘nose, dano'sus (Lat.) woolly, ¢f., 
LANATE. 
lanug’inose, lanug’inous, lanugino’aus 
(Lat.) woolly or cottony, clothed 
with Lanu’go (Lat.), woolliness ; 
long and interwoven hairs. 
lapid’eus (Lat., stony), lapillo’sus, 
stony, as the seeds of ‘stone 
fruits”; lap‘idose, /apido'sus, grow- 
ing amongst stones. 
lappa’ceous, lappa’ceus (Lat.) bur-like, 
hamate. 
lar’val (/arva, a mask), (1) applied to 
the resting stage, as the sclero- 
tium of ergot ; (2) the early form of 
certain Conifers, whose perfect and 
adult form is very different; lar- 
va'tus (Lat.) personate. 
lasian’thus (Adovs, shaggy; avdos, a 
flower), woolly-flowered ; lasiocar’- 
pous (xapros, fruit), pubescent- 
fruited, 
latebro’sus (Lat., full of lurking 
places), hidden. 
la‘tent (/atens, hidden), dormant; ~ 
Bud, an adventitious bud ; ~ Pe’riod, 
resting-stage. 
Lat’era, pl. of Lat’us (Lat., a side), the 
sides ; lateral, lateralis, fixed on or 
near the side of an organ; ~ Bud, 
adventitious bud; ~ Dehis’cence, 
bursting or opening at the side; 
~Nucle’olus, ~Nu'cleus, cf, Para- 
NUCLEUS; ~Plane, the vertical 
plane at right angles to the antero- 
posterior plane, as of a flower; ~ 
View of a Diatom frustule, when 
the valves are seen in front view, 
the girdle being then in side view ; 
Lateral'ity, used by Sachs for 
SyMMETRY, both radial and dorsi- 
ventral; laterifo'lious (folium, a 
leaf), growing on the side of a leaf 
at the base; lateriner’vis, lateriner’- 
vius (nervus, a nerve), straight- 
veined, as in grasses; lateristip’- 
ulus t (+Srrpvuxs) having stipules 
growing on its sides. 
lateric'ious or laterit’ious, lateric’ius, 
laterit’ius (Lat., made of bricks), 
brick-red. 
La‘tex (Lat., juice), (1) the milky 
juice of such plants as spurge 
or lettuce; (2) the moisture 
of the stigma; (3) the gelatinous 
matter surrounding the spores in 
some Fungi; ~ Cells, laticiferous 
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