GLOSS ABY. 105 



Lyrate : Ijre-shaped, a term applied to a pinnatifid leaf spatulale in 

 shape, with the terminal lobe largest. 



Membranaceous : thin and usually translucent. 



Mericarp: one half (one carpel) of the two-carpelled fruit of Umbel- 

 worts. 



Midrib : the main-rib of a leaf. 



MoNADELPHOUS : stamcns by their filaments united into one set (or 

 tube). 



Monocotyledons : plants with a one-leafed embryo. All the Endo- 

 gens are Monocotyledons. 



Moncecious flowers : flowers of two sorts — pistillate and staminate 

 ones — borne on the same plant. 



Mucronate : tipped abruptly by a short point ; a term usually ap- 

 plied to leaves. 



Nascent : beginning to exist or grow. 



Nectariferous : honey-bearing. 



Nerye : a term designating simple and parallel veins of leaves, sepals, 



etc. 

 Netted-veined : having branching veins, or a net-work of veins. 

 Normal : not deviating from rule. 

 Nut : a hard, usually one-seeded, indehiscent fruit, as an acorn or a 



chestnut. 

 Nutlet : a little nut, meaning also the stone of a drupe. 



Ob- (in compounds) signifies : inversion. 



Obcordate : inversely heart-shaped. 



Oblanceolate : inversely lance-shaped. 



Oblong : elliptical, and from two to four times as long as broad. 



Obtuse : blunt. 



OcTO : eight. 



Octamerous : with the parts in eights. 



OcTANDROUS : with eight stamens. 



Opposite : on opposite sides of an axis, a term applied to leave?, 



branches, stamens, etc. 

 Organ: any constituent part of the plant, a leaf, petal, stamen, etc. 

 Orbicular : round, like a circle. 



Ovary : the part of the pistil which encloses the ovules. 

 Ovate : egg-shaped, or shaped like the longitudinal section of an egg. 

 Ovoid : ovate or oval in a solid form. 

 Oval : short-elliptical. 



