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GLOSSARY 



Monocotyledonous (embryo). Having 



only one cotyledon. 

 Monocotyledons. The great group of 



plants having only i cotyledon. 

 Monoecious = Monoicous. With sta- 

 mens and pistils in separate flowers 



on the same plant. 

 Monopetalous (flower) = Gamopeta- 



lous. With united petals. 

 Mucronate. Tipped with an abrupt 



short point. 

 Mucronulate. Diminutive of mucro- 



nate. 



Multi-. Many. 

 Muriculate. Rough with fine short hard 



points. 



Nectariferous. Nectar-bearing. 



Nerve = Vein. 



Node. The joints of a stem, from 



which the leaves arise. 

 Nodose. Knotty or knobby. 

 Nut. A hard and mostly one-seeded 



indehiscent fruit, as a chestnut, 



butternut, acorn. 

 Nutlet. Diminutive of nut. 



Ob. Upside down. 



Obcompressed. Flattened the oppo- 

 site of the usual way. 



Obcordate. Heart-shaped with small 

 end basal. 



Oblanceolate. Lance-shaped with the 

 tapering point basal. 



Oblong. Two to three times as long 

 as wide, and more or less elliptic. 



Obovate. Inversely ovate, the broad 

 end up. 



Obtuse. Blunt or round at the 

 end. 



Ochroleucous. Yellowish white; dull 

 cream-color. 



Ocrea. A sheathing stipule. 



Odd-pinnate". Pinnate with an un- 

 even number of leaflets. 



Offset. Short branch next the ground 

 which takes root. 



Opposite. Applied to leaves and 

 branches when an opposing pair 



occurs at each node; to stamens 

 when directly in front of the petals. 



Orbicular. Circular or nearly so in 

 general outline. 



Oval. Broadly elliptical. 



Ovate. Shaped like the section of an 

 egg with the broader end basal. 



Ovoid. A solid with an ovate sec- 

 tion. 



Ovule. The body which becomes a 

 seed after fertilization. 



Palate. A projection on the lower lip 

 of a 2-lipped corolla closing the 

 throat. 



Palet. The inner husk of grasses; the 

 chaff or bracts on the receptacle of 

 many Compositaceae. 



Palmate. Applied to a leaf whose 

 leaflets or divisions or main ribs all 

 spread from the apex of the petiole, 

 like a hand with outspread fingers. 



Palmately lobed, cleft, parted, di- 

 vided, etc. The varying depths of 

 division of a palmate leaf. 



Panicle (inflorescence). An open clus- 

 ter like a raceme, but more or less 

 compound. 



Panicled = Paniculate. In panicles, 

 or panicle-like. 



Papilionaceous. Butterfly-shaped; ap- 

 plied to such a corolla as that of the 

 pea. 



Papilla (papillae). A little nipple- 

 shaped protuberance. 



Papillose. Covered with papillae. 



Pappus. The modified calyx limb in 

 Compositaceae, forming a crown of 

 very various character at the sum- 

 mit of the akene. 



Parietal = Lateral. Attached to the 

 walls, as of the ovary. 



Parted. Separated into parts almost 

 to base. 



Pectinate. Pinnatifid or pinnately 

 divided into narrow and close divi- 

 sions, like the teeth of a comb. 



Pedicel. The stalk of each particular 

 flower of a cluster. 



