276 



GLOSSARY. 



Lyrate, pinnatifid with the ter- 

 minal lobe very large and rounded. 



M. 



Marginal, along or near the edge. 

 M embraimceous, thin, somewhat 



transparent. 

 Midrib, the central or main vein 



of a leaf. 



Monadelphons, with all the fila- 

 ments grown together. 

 Monocotyledonous, having only 



one cotyledon in the embryo. 

 Monoecious, having staminate and 



pistillate flowers on different parts 



of the same plant. 

 Mucronate, tipped with a minute 



sharp point. 

 Multlfld, cut into many segments. 



N. 



Naked, without a covering, as of 



chaff, hairs, etc. 

 Nerve, a longitudinal line, as on 



the calyx of Catnip. 

 Node, the place on a stem from 



which a leaf springs. 

 Numerous, indefinite In number. 

 Nut, an indehiscent fruit of one 



cell and one seed with a hard 



shell, usually the product of a 



compound pistil. 

 Nutlet, a body like a little nut. 



O. 



Obcompressed, compressed from 

 above instead of from side to side. 



Obcordate, indented at the apex. 



Oblanceolate, narrow and taper- 

 ing towards the base. 



Oblique, unequal-sided, slanting. 



Oblong:, longer than broad, with 

 rather straight sides, and both 

 ends alike. 



Obovate, egg-shaped, with the 

 narrow end down. 



Obsolete, not evident. 



Obtuse, blunt. 



Ocreate, having sheathing stip- 

 ules. 



Opereulate, having a lid. 

 Orbicular, circular in outline. 



Oval, somewhat longer than broad, 



with rounded sides and both ends 



alike. 

 Ovary, the lower part of the pistil 



containing the ovules. 

 Ovate, egg-shaped, the broad end 



down. 



Ovoid, a solid with an ovate out- 

 line. 



P. 



Palate, an upward projection of 

 the lower lip of a personate co- 

 rolla, closing the throat. 



Palet, one of the inner chaffy 

 scales of a grass-flower. 



Palmate, with veins or leaflets 

 radiating from the end of the 

 petiole. 



Panicle, an irregularly compound 

 inflorescence of pedicelled flowers. 



Panlcled, resembling a panicle, 

 borne in a panicle. 



Papilionaceous, having a stand- 

 ard, wings, and keel, as in legu- 

 minous corollas. 



Pappus, the tuft of hairs or bristles 

 answering to the calyx-limb in 

 many composite flowers. 



Parasitic, living upon other living 

 plants. 



Parietal, borne on the walls. 



Parted, very deeply cleft. 



Pectinate, cut into comb-like nar- 

 row teeth. 



Pedate, palmately divided or part- 

 ed, with the basal segments 2- 

 cleft. 



Pedicel, a secondary flower-stalk ; 

 the support of a single flower in a 

 cluster. 



Peduncle, the support of a solitary 

 flower or of a flower-cluster. 



Peltate, shield-shaped; attached 

 by the lower surface. 



Pendulous, hanging down. 



Perennial, lasting year after year. 



Perfect, having both stamens and 

 pistil in the same flower. 



Perfoliate, with the stem passing 

 through the leaf. 



Perianth, the floral envelopes. 



Pericarp, the matured ovary. 



