GLOSSABT. 
Imoliccre ; the whorled bracts at the base of an umbel or head ; 
or sometimes below a single flower. 
Involute ; rolled fiom the back of anything, as towards the upper 
side of a leaf. 
Joinings • the places where the parts of the stem are attached to 
each other ; the nodes. ^ 
Joints; the spaces between the knots, nodes, or joinings; the 
parts joined. 
Keel ; a prominent ridge. The two lower petals of a Pea-flower, 
within the others and united more or less by their anterior 
edge, form the keel. 
Kneed ; bent like the knee. 
Knots ; the joinings or nodes of the stem in Grasses. 
Label ; the terminal segment of the lip in Orchids. 
Laciniftte ; di^-ided into narrow irregular lobes. 
Lanceolate ; narrowly elliptic and tapering to each end. 
Lancet-shaped ; shortly and blimtly lanceolate. 
Lax; loosely aiTanged. 
Leaflets ; the subdivisions of compound leaves. 
Legume ; a one-celled and two-valved seed-vessel with the 
seeds arranged along the inner angle, as in Pea. 
Lenticular ; like a doubly convex lens. 
Ligidate ; strapshaped ; not very narrow nor long, and with 
nearly parallel sides. 
Ligulc ; a membrane at the base of the limb of the leaf of Grasses. 
Limh ; the flattened expanded part of a leaf or petal. 
Linear ; veiy narrow and long, with parallel sides until near 
the end. 
Lingidate ; tongueshaped ; long, fleshy, convex, bhmt. 
Lipped ; applied to a corolla or calj-x appearing to con.sist of two 
lips. 
Lohate ; lobed ; with large di\'isions. 
Loculicidal : opening down the back (or midrib) of the carpel. 
Lower part of a floral whorl ; that furthest from the main axis ; 
anterior. 
Lunate ; shaped like the new moon. 
Lyrate ; a pinnatitid leaf with the lobes .successively and gra- 
dually enlarging from the petiole, and ending in one still 
larger lobe. 
Marcesceyit ; fading but remaining in its place. 
Medidlarij ; relating to the pith. MeduJlai-y rays are plates of 
cells which connect the pith with the growing part next to 
the bark. 
Metnbranous ; of the texture of membrane ; thin and flexible. 
