<*00 LIB 



Iridescent. Reflecting light, (1'roin Iris the rainbow.) 

 Irreg'ular. Differing iii figure, size, or proportion of parts among 

 themselves. o 



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. 



Juxtaposition^ (ftomjuzla, near, andpono, to place,) nearness bi place. 



K. 



Keel. The under lip of a, papilionaceous flower. 

 Ketl'ed. Shaped like the keel of a boat or ship. 

 Ker'nel. See Nucleus. 

 Kid'ney-skapcd. Heart-shaped without the point and broader than 



long. 



Knee. A joint being geniculate. 

 Knob'bed. In thick lumps, as the potato. 

 Knot. See joints. * 



La'biate. Having lips as in the c^ass Didynamia, 

 Lacin'iate. Jagged, irregularly torn, lacerated. ' 

 Lades' cent. Yielding a juice, usually white, like millr sometimes 



red, as in the blood-root. 

 Lac'teus. Milk white. 

 Lacus'tris. Growing about lakes. 

 L&vis. Smooth, even. 

 Lamel'lated. In thin plates. 



Lam'ina. The'broad or flat end of a petal, in distinction from its ciaT- 

 La'nate. Woolly. 



Lance'-olate. Spear-shaped, narrow, with both ends acute. 

 LoMce'o-vate. A compound of lanceolate and ovate, intermediate. 

 Lat'eral. On one side, (from latus.) 

 La' tent. Hidden, concealed, (from lateo, to hide.) 

 Lar'xa. The caterpillar state of an insect. 

 Lax. Limber, flaccid. 



Leif'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 01 



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. The inner bark of plants. Immediately under the cuticle is a 



succulent, cellular substance, for the most part ot a green colour, es- 



pecially in the leaves and branches. Under this cellular integument, 



