332 



GLOSSAR Y 



Keel. A projecting ridge on a surface. 39. 



La'biate. Two-lipped. 42. 



Lacin'iated. Cut into deep narrow lobes. 



Lactes'cent. Having a milky juice. 



Lam'ina. The blade of a leaf. 



La'nate. Woolly. 



Lan'ceolate. Lance-shaped, n. 



Leg'ume. A pod which has two valves, and its seeds attached to one 



suture. 113. 



Lentic'ular. Lens-shaped. 

 Li'ber. The inner bark next the wood. 

 Li'chen. A class of low plants ; known as rock-moss. 183. 

 Limb. The blade of a leaf or petal. 

 Lin'ear. Narrow with parallel margins. 

 Lip. A lobe of a labiate corolla. 

 Lobe. A certain marked-off portion of an organ. 6. 

 Loculic'idal dehis'cence. When seeds escape by the dorsal suture. 

 Lo'ment. A long pod with transverse divisions. 113. 

 Ly'rate. Lyre-shaped. 



Male (flowers). Having stamens but no pistil. 45. 

 Marces'cent (floral whorls). Persisting in a dry and withered state. 

 Medul'lary rays. Rays of cellular tissue reaching from pith to bark. 

 MeduTlary sheath. A vascular thin layer around the pith. 

 Membrana'ceous. Of the texture of membrane. 

 Mer'icarp. Half the fruit of an umbellifer. 154. 

 Me'socarp. The middle layer of a pericarp. 108. 

 Mi'cropyle. The passage through the coats of an ovule or seed. 



122. 



Midrib. The main rib of a leaf. 2. 



Monadel phous stamens are united by their filaments into one set. 



51- 



Monan'drous. Having one stamen. 49. 

 Monochlamyd'eous. Having a calyx and no corolla. 45. 

 Monoe'cious. With staminate and pistillate flowers on the same 



plant. 46. 



Mu'cronate. Tipped with a short, abrupt point. 8. 

 Multiple (pistil). Composed of several distinct carpels. 94. 

 Myce'lium. The vegetative part of a fungus. 182. 

 Nec'tary. A gland that secretes a sugary liquid. 71. 

 Nerves. The ribs and veins of leaves. 

 Neutral (flowers). Having neither stamens nor pistil. 

 Nu'cleus. The center of an ovule where the embryo is formed, 



104. 



