Irregular, said of flowers in which the members of a series are unlike in 
size or shape. 
Keel, a ridge similar to the keel of a boats the two lower petals of the 
flower of certain Leguminosae, 
Lacerate, irregularly margined as though torn, 
Laciniate, slashed; cut into narrow pointed lobes, 
Lanate, clothed with soft tangled hairs like wool, 
Lanceolate, lance-shaped, i.e., narrowly tapering to a point as in a penholder 
or broader. 
Lateral, pertaining to one side, 
Lax, loosee 
Leaflet, a subdivision of a compound leaf, as in the rose, 
Lemma, the outer bract subtending a grass flower, 
Lenticular, lens-shaped, i.e., flattened but convex on both surfaces, 
Lepidote, having small scurfy scales, 
Ligule, the strap-shaped corollas of certain Compositae; a thin hyaline 
projection in grass leaves where the blade departs fromthe stem, 
Ligulate, bearing a ligule. 
Limb, the expanded portion of a corolla, as contrasted with the tube, 
Linear, elongate with more or less parallel margins, 
Lip, one of the two principal lobes of certain tubular corollas as in the 
snapdragon or applied similarly to the calyx as in Lupines; the lower 
usually dissimilar petal of an orchid flower. 
Loculicidal, a type of dehiscence in which each chamber of a capsule is 
opened by a longitudinal median splits; contrasted with septicidal. 
Lodicules, minute hyaline scales found within a grass flower at the base 
of +he stamens, 
Lunate, crescent-shaped. 
Lyrate, said of leaves which are pinnatifid, the ter:ainul lobe being prominently 
larger than the remainder. 
Megaspore, the larger spore of plants having spores of two sizese See ee Ley 
— 
IsoetesSe 
