Glossary. 413 



Lentic'ular (L. lens, lentis, a lentil or its seed which has a double convex 



outline) : shaped like a double convex lens. 

 Lig'ulate : provided with a ligule. 

 Lig'ule (L. ligula, a little tongue) : a strap-shaped body such as the limb of 



the ligulate corolla of the Composite. Fig. 268, q. 

 Lilia'ceous: lily-like; pertaining to the Liliacese. 

 Limb : the border or expanded part of a gamopetalous corolla; the blade of 



a leaf or petal. Fig. 272, y. 



Lin'ear : long and narrow with parallel margins. Fig. 219. 

 Lip : one of the divisions of a bilabiate corolla or calyx. Fig. 276. 

 Lobe : any segment, but particularly a rounded segment of an organ. 

 Lobed or lo'bate : divided into lobes. 

 Loc'ular (L. loculus, a little compartment) : having cells. 

 Loc'ulicidal (L. loculus, a cell or compartment; ccedere, to cut) : dehiscent 



or breaking open through the dorsal suture. Fig. 322. 

 Lo'ment : a legume which is contracted between the seeds. Fig. 314. 

 Lu'men (L. lumen, a light, an opening) : the cavity of a cell. 

 Lu'nate (L. luna, the moon) : shaped like a half or crescent moon. 

 Lu'nulate : diminutive of lunate. 

 Ly'rate (Gr. lyra, a lute or lyre) : lyre-shaped; spatulate and lobed, with the 



smaller lobes toward the base. 



Mac'rospore (Gr. makros, long or large; spora, seed) : the larger spore of 

 some Pteridophytes, which gives rise to the female gametophyte; the 

 embryo sac of Spermatophytes. 



Macrospor'ophyll (Gr. makros + spora + phyllon, a leaf) : carpel, carpellary 

 leaf. 



Mar'ginal : along or near the edge. 



Mar'ginate : provided with a border or margin of distinct character. 



Membrana'ceous, or mem'branous : thin and somewhat transparent. 



Menis'coid (Gr. meniskos, a crescent; tides, resemblance) : concavo-convex, 

 like a watch crystal. 



Mer'icarp (Gr. meros, a part; karpos, fruit) : one carpel of an umbelliferous 

 fruit. 



-merous : in composition relating to a certain number of parts, as 2-merous, 

 having two parts. 



Mes'ophyll (Gr. mesos, in the middle; phyllon, a leaf) : the thin-walled par- 

 enchyma cells which make up the greater part of the interior of a leaf. 



Mes'ophyte (Gr. mesos + phyton, a plant): a plant adapted to a habitat 

 having a moderate amount of humidity in atmosphere and soil. 



Mesophy t'ic : - relating to mesophytes. 



