200 LIB 
Trides’cent. Reflecting light, (from Iris the rainbow.) 
Irregular, Differing in figure, size, or proportion of parts among 
themselves. Co) 
Irritability. The power of being excited so as to produce contrac- 
tion; this power belongs to vegetables as well as animals; sensation 
is thought to imply the existence of internal properties not possessed 
by plants; though some have attributed sensation to plants, as well 
as animals. 
J. 
Jag’ged. Irregularly divided and sub-divided. 
Jaws. See Faux. 
Joints. Knots, or rings in culms, pods, leaves, &c. 
Ju’gum. A yoke; growing in pairs. 
Juxta-position, (from juxta, near, and pono, to place,) nearness of place. 
Keel. The under lip of a papilionaceous flower. 
Keel/ed. Shaped like the keel of a boat or ship. 
Ker’nel. See Nucleus. Hh 
Bey Sed Heart-shaped without the point, and broader than 
ong. 
Knee. A joint being geniculate. 
Knob‘bed. In thick lumps, as the potato. 
Knot. See joints. 
L. 
La’biate. Having lips as in the class Didynamia, 
Lacin’iate. Jagged, irregularly torn, lacerated. 
Lactes’cent. Yielding a juice, usually white, like milk, sometimes 
red, as in the blood-root. 
Lac’teus, Milk white. 
Lacus‘tris. Growing about lakes. 
Le’vis. Smooth, even. 
Lamel/lated. In thin plates. 
Lam‘ina. The broad or flat end of a petal, in distinction from its clay. 
La’nate. Woolly. 
Lance’-olate. Spear-shaped, narrow, with both ends acute. 
Lance’o-vate. A compound of lanceolate and ovate, intermediate. 
Lat’eral. On one side, (from latus.) 
La’tent. Hidden, concealed, (from late, to hide.) 
Lar’va. The caterpillar state of an insect. 
Laz. Limber, flaccid. 
Leaf'et. A partial leaf, part of a compound leaf. 
Leaf-stalk, See petiole. 
Leg’ume. A pod or pericarp having its seeds attached to one side or 
suture; as the pea and bean. 
Legu’minous. Bearing legumes. 
Lepan/thiums. A term used for a petal-like nectary; like that of the 
larkspur and monkshood. 
Li/ber. Theinner bark of plants. Immediately under the cuticle is a 
succulent, cellular substance, for the most part of a green colour, es- 
pecially in the leaves and branches. Under this cellular integument, 
