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Membranous, thin and soft and more or less translucent like an§f animal 
& membrane; said also of leaves which are thin and soft. 
re, the smaller spore of plants having spo f - 
meee resembling a poking of beads. 5 spores of two sizes. 
Monadelphous, of stamens united by their filaments into a column, 
Monoecious, bearing stamens and pistils in separate flowers but on the same 
plant. 
Mucro, an abrupt small tip. Mucronate, bearing a mucro, 
Muricate, roughened by minute sharp processese 
Nectary, a place or organ where nectar is secreted, 
digde, a point upon the stem at which a leaf or leaves originate, 
Nut, an indehiscent l-seeded fruit with a bony or hard endocarp usually 
developing from a compound ovary as in the walnute Nutlet, a small 
nut; the name applied to the subdivisions of the mature ovaries of the 
Labiatae and Boraginaceae. 
Ob-, a prefix signifying inversion as in the following terms; 
qi) Obcordate, cordate with the point directed to the base. 
Oblanceolate, inverse of lanceolate 
Oblong, longer than broad, with tne \iacs approximately parallel or lightly 
Ah 
rounded, usually with blunt or rounded ends, 
Qbovate, inversely ovate. 
Obsolete, rudimentary or not evident, 
Obtuse, blunt. 
Qcrea, a sheathing stipule as in Polygonum. 
Qffset, a short branch next the ground which takes root, thus propagating the 
plant. 
Opaque , not transparent, 
Orbicular, more or less circular in outline, 
Qval, the shape of a race-track, i.e2s & flattened circle, 
Ovary, that portion of the pistil which forms and contains the ovules and 
qi ultimately ripens to form the fruite 
Ovoid, shaped like a hen's egg, 
Ovate, in outline like a hen's egg, 
