GLOSSARX 



617, 



Masked. See personate, 



Megasvorangium. The sporangium which 



contains megaspores. 

 Megaspore. The larger spore of betero- 



aporoua plants (club mosses, water feras, 



seed-plants). 

 MembranaceottSt Membranous, With the 



texture of a membrane; thin and more or 



less translucent. 

 Microsporangium, The sporangium which 



contains microspores^. 

 Microspore. The smaller spore of betero* 



sporous plants (club m.osses, water ferns, 



seed-plants). 

 Midrib. The middle or main rib of a leaf. 

 Monadelphous. Stamens imited by their 



filaments into one set. 

 Moniliform. Necklace-shaped; a cylindri- 

 cal body enlarged at intervals. 

 MonocotyledqjwiLS (embryo). Having only 



one cotyledon. 

 Monoecious. With stamens and pistils in 



separate flowers on the same plant, 

 Monopetalous (flower). With united petals; 



see gamopetalous. 

 Monosepalous. With united sepals; same 



as gamosepalous. 

 Mucronate. Tipped with an abrupt short 



point. 

 Mucronvlate. Diminutive of fnucronate. 

 MiUii~, in compounds, means many. 

 Muricate, Beset with short and hard points, 

 Muticous. Pointless; beardless; unarmed. 



Napiform, Turnip-shaped, 



Naturalized, Introduced from a foreign 

 country, but growing wild and propa- 

 gating freely by seed. 



Nectariferous. Nectar-bearing; having a 

 nectary. 



Nectar]^. An organ which secretes nectar. 



Needle-shaped. I^ong, slender, and rigid, 

 like the leaves of pines. 



Nerve. A name for the ribs or veins of 

 foliar organs, especially when simple and 

 parallel. 



Node. A knot; the joints of a stem, from 

 which the leaves arise. 



Nodose, Knotty or knobby. 



Nodulose. Diminutive of nodose. 



Nut. A hard, mostly one-seeded, in- 

 dehiscent fruit, as a chestnut, butternut. 



Ob-, as a prefix, signifies inversion, as 

 follows: 



Obcompressed. Flattened the opposite of 

 the usual way. 



Obcordate, Heart-shaped with the broad 

 and notched end at the apex instead of 

 the base. 



Oblanceolate. Lancet-shaped with the taper- 

 ing point dowawards. 



Oblong. Two to fpur times as long as broad, , 



and more or leas elliptical in outline. , 

 Obovate, Inversely ovate, the broacl enh 



upward. 

 Obtuse, Blunt or round at thp end. 

 Ochreate, See ocreate, 



Ochroleucous, Yellowish-white; dull cream- 

 , color, 



Ocrea, A sheathing stipule. 

 Ocreate, Having sheathing stipules. 

 Qctogynotis, With eight pistils or styles. 

 Offset, Short branch next the ground 



which takes root, 

 Operculate, Furnished with a lid or cover 



{operculum), as the capsules of mosses. 

 Opposite, Applied to leaves and branches 



when an opposing pair occurs at each 



node; to stamens when directly in front 



of the petals. ' 



Orbicular^ Orbiculate. Circular in outline'o'r 



nearly so. ^ ■■. ■. 



Oval, Broadly elliptical. 

 Ovate, Shaped like the section of an egg 



with the broader end downwards. 

 Ovoid, A solid with an ovate section. 

 Ovule, The body which becomes a seed 



after fertilization; the megasporangium 



of seed-plants. 



Palea (plural paleae), ChafT; the inner 

 husk of grasses; the chaff or bracts on 

 the receptacle of many Compositae. 



Palmate, Applied to a leaf whose leaflets, 

 divisions, or main ribs all spread from 

 the apex of the petiole, like & hand with 

 outspread fingers. 



Palmately lohed^ cleft, parted, divided, etc. 

 The varyiriig depths of division bf a 



' palmate leaf. ,i . 



Panduriform, Same 2iS fiddle-shaped. 



panicle (inflorescence). An open cluster 

 like a raceme, but more or leas compound. 



Panid^, Pdnictildtei Arranged in panicles, 



, or likjB a panicle. 



Papilionaceous, Butterfly-shaped; applied 

 to such a corolla as that of the pea. 



Papilla (plural 'iiapillaey. A little nipple- 

 shaped protuberance. 



Papillate^ Papillose. Covered with papillae. 



Pappus, The modified calyx-limb in Com- 

 positae, forming a crown of very various 

 character at the summit of' the achene. 



Parietal. Attached to the walls, as of the 

 ovary. 



Parted, Separated or cleft into parts al- 

 most to the base. 



Pectinate. Pinnatifid or pinnately 'divided 

 into narrow and' close divisions,' like 

 the teeth of a comb. 



Pedate, Like a 'bird's foot; palmate or 

 palmaiely cleft. . — 



Pedicel, The stalk of each partieiUar 

 flower of a cluster. '■'''■ 



