APPENDIX. 1lit 
Insertion. The place or mode of attachment of an organ. 
InTERNODE. That part of a stem between the nodes. 
INTERPETIOLAR. Between the petioles; also applied to the coalesced stipules of two 
opposite leaves. 
Introrse. Turned towards the axis; often applied to anthers which open towards 
the centre of the flower. 
Ixvotucet. An inner or secondary involucre; that which surrounds a secondary 
or partial umbel. : 
INVOLUCELLATE. Having a secondary involucre. 
InvoLucraTE. Having an involucre. 
Invotvcre. A ring of bracts surrounding several flowers, as in the heads of Compositae 
or the umbels of Umbelliferae ; also sometimes applied to the indusium of ferns, 
Invontute. Having the margins rolled inwards. 
TrrecuLtaR. Not regular; unsymmetrical. 
IsomERous. Equal in number; applied to flowers having an equal number of parts 
in the successive whorls, as of sepals, petals, stamens, &c. 
Kez. (1.) A central dorsal ridge resembling the keel of a boat. (2.) The two cohering 
anterior petals of a papilionaceous flower. 
Lasettum. The third petal of an orchid, by a twist of the ovary placed in front of 
the flower, and usually very different in form from the remainder, 
Lapiate. Lipped; applied to an irregular calyx or corolla which is unequally divided 
into two parts or lips. 
Lacrerate. Irregularly torn or cleft. 
LacrmniaTE. Cut into narrow slender teeth or lobes. 
Lacrescent, Yielding milky juice. 
LacunosEe. When the surface is covered with depressions or perforated with holes. 
Lacustrine. Inhabiting lakes or ponds. 
Lamecia. A thin plate or scale. 
LAMELLAR, LAMELLATE. Composed of thin plates, or furnished with them. 
Lamina. The blade or dilated portion of a leaf. 
LanatE. Clothed with woolly hairs. 
LANCEOLATE. Shaped like a lance-head; tapering upwards from a narrow ovate base.. 
Lanueinovus. Clothed with long woolly or cottony hairs. 
LATERAL. At the side; fixed on or near the side. 
Lax. Loose, distant. 
Leaumn. The seed-vessel of Leguminosae; a one-celled and two-valved capsule, of 
very various form. 
Leguminovus. Pertaining to or bearing legumes; belonging to the order Leguminosae. 
~LenticEL. Lenticular corky spots on young bark, corresponding to epidermal stomata. 
LENTICULAR. Lens-shaped. 
LENTIGINOUS. Covered with minute dots or freckles. 
LepipotE. Covered with small scurfy scales. 
Lieve. (1.) A strap-shaped body, as the limb of the corolla in the florets of Composrtae. 
(2.) The thin scarious appendage at the junction of the leaf-blade with the sheath 
in grasses. 
LiguLaTE. Furnished with a ligule ; strap-shaped. 
Lis. (1.) The expanded and usually spreading part of a gamopetaious corolla, as. 
distinct from the tube. (2.) The lamina of a petal or leaf. 
LinEsaR. Narrow and elongated, with parallel margins. 
LiyzatE. Marked with lines. 
LINEOLATE. Marked with fine lines, 
Linevuirorm, Lineutate. Tongue-shaped. 
Lie. (1.) Hither of the two divisions of a bilabiate corolla or calyx. (2.) The labellum 
of orchids. 
LitrorRAL. Growing near the seashore. 
Lose. Any division of a leaf, corolla, &c., especially if rounded. 
Losr, Lopate. Divided into or bearing lobes. 
LosuLs. A small lobe. 
Losutate. Having small lobes. 
Locetiatse. Divided into secondary cells or compartments. 
Locuricrpat. When the cells of a capsule open along the back between the septa, 
or by the dorsal suture. 
