458 APPENDIX. 



Leaves are expansions of the bark of a plant ; they are the organs of motion 

 and respiration ; they consist of a stalk or petiole, and a blade or lamina. 



Legume, a pod ; a one-celled, two-valved frnit, opening by a suture along 

 both its face and back ; as in Broom, Rest-Harrow, Melilot, &c. 



Leguminous, producing legumes. 



Lenticular, shaped like a lens ; as the fruit of Masterwort. 



Liber, the inner bark. 



Ligula, the membrane at the top of the petiole of grasses, &c. See Darnel. 



Ligulate, strap-shaped ; long and narrow, the two opposite margins paral- 

 lel ; as the outer florets of Chamomile, Daisy, Dandelion, Lettuce. 



Ligneous, woody ; having the texture of wood. 



Limb, the broad part or extremity of a calyx or corolla. 



Linear, narrow, rather short, the margins parallel ; as the leaves of Juni- 

 per, Yew, &c. When joined by a hyphen to another word, it signifies 

 a figure between the two, as linear-lanceolate, between linear and lance- 

 shaped, as the leaves of Lavender ; linear subulate, between linear and 

 awl-shaped, and so on of others. 



Lip, either division of a bilabiate flower ; also, the lower petal of an irre- 

 gular flower. 



Lobed, deeply divided into obtuse segments ; as the leaves of Avens, Bryony, 

 Celandine, Dandelion. 



Lobulate, having small lobes. 



Locular ; a fruit is termed unilocular when it has one cell ; bilocular, when 

 it has two cells, and so on. 



Lomentum, loment ; a kind of legume falling in pieces when ripe. 



Lorate, shaped like a thong or strap. 



Lunate, shaped like a half-moon. 



Lurid, of a colour between purple, yellowish-red, and grey. 



Ljyrate, lyre-shaped ; divided transversely into several segments which are 

 larger towards the extremity ; as the leaves of Mustard, Avens, &c. 



Lyrately-pinnxte, pinnate in a lyrate manner. 



M. 



Male flowers or florets are those which contain only stamens. 



Marcescent, withering, but not soon falling off. 



Medulla, the pith of a plant. 



Membranous, thin and semi-transparent, like membrane. 



Midrib, the large vein which passes from the petiole to the apex of a leaf. 



Monadelphous, having the filaments cohering into a tube. 



Monandrous, having one stamen. 



Moniliform, necklace-shaped. 



Monocotyledonous, having but one seed-leaf or cotyledon. 



Monoecious, having stamens only in one flower, and pistils only in another 

 flower, on the same plant ; as in Birch, Oak, Pine. 



Monopetalous, having but one petal. The term is applied to a corolla, 

 however much divided it may be, if the pieces will not come off sepa- 

 rate without tearing. 



