GLOSSARY. 



547 



A^ormal. Acconling to rule or standard ; not 



varying from tlic type. 

 Numerous. Indclinite in innnber. 

 Nut. A liard indehiseent one-sct'ded fruit, 



usually resulting from a compound ovary. 

 Nutlet. A small nut ; also apidicd to tiie hard 



seediike divisions of the fruit of the Labiata:-, 



Verbena, etc. 



Ob-. A Latin ])rerix usually signifying inver- 

 sion, or the reverse of tlie jjrimary word. 



Obcoinprcsxcd. Flattened contrary to tlu; direc- 

 tion of the sides, dorsally, instead of laterally. 



Obconical. Hesenibling an inverted cone. 



Obcordate. Inverted cordate, the lobes directed 

 outward. 



Oblanccolate. Inverted lanceolate, with the 

 broadest part toward tlie apex. 



Oblique. Turned to one side ; unetjually sided. 



Oblong. Considerably longer than broad and 

 with nearly parallel sides. 



Obovale. Inverted ovate, the broader part to- 

 ward the apex. 



Obovoid. Inverted egg-shaped, the broader part 

 above. 



Obtuse. Blunt or rounded at the end. 



Obverse!}/. In a reverse manner. 



Ochraceous. Ochre-color, light yellow with a 

 tinge of brown. 



Ochrolcucous. Yellowish white. 



Ocrcnfe, or Ochrcatc. Furnished with an ocren, 

 a tubular stipule slieathing the stem. 



-Old {-aides). A Greek termination signifying 

 resemblance. 



Opaque. Dull, not shining. 



Operculatc. Piovided with an operculum. 



Operculum. A lid, separating by a transverse 

 line of dehiscence. 



Opposite. Standing against or facing each other, 

 as a stamen .against a petal, or two leaves at 

 the same node. 



Orbicular. Circular or nearly so. 



Order. A principal group next above the genus 

 in rank, and including related genera more or 

 less distinguished from othei-s by certain com- 

 mon characters. 



Ordinal. Relating to orders. 



Organ. Any part of a plant concerned in its 

 growth and welfare, having a special object 

 to serve and more or less essential. 



Ortholropous. Applied to an ovule or seed that 

 is straight aiul attached immediately by its 

 base. 



Osseous. Hony. 



Ocal. Broadly elliptical. 



Ovary. The dilated jjortion of the pistil, bearing 

 and containing the ovules. 



Ovate. Shaped like the longitudinal outline of 

 an egg, the broader i)ortion toward the base ; 

 also egg-shaped and a[)plied to solids. I 



Ovoid. Egg-shaped. ' 



Ovule. A rudimentary organ which after im- 

 pregnation becomes a seed. 



Ovulijerous. Bearing ovules. 



Palate. A ])rotrusion of the lip of a bilabiate 

 corolla. 



Palca. A chair or chally bract ; in grasses, the 



two inner bracts of the flower. 

 Paleaceous. Chaffy or furnished with chaff. 

 Palct. The san)e as palca, used especially of 



grasses. 

 Palmate. Of leaves, compound with the leaflets 



radiating from the summit of the petiole. 

 Palmately. In a palmate manner. 

 Palmatifid. I'almately cleft or divided. 

 Panduralc. See Fiddle-shaped. 

 Panicle. A loose irregularly branched inflores- 

 cence. 

 Panicled, Paniculate. After the manner of a 



panicle ; bearing a panicle. 

 Papilionaceous. Butterfly-like ; applied to the 



l)eculiar irregular flower common in the Legu- 



minosa'. 

 Papillose, Papillate. Bearing minute thick 



nipple-shaped or .somewhat elongated" pro- 

 jections. 

 Pappus. In Conipositie, the hairs, bristles, or 



scales crowning the akene and tjiking tho 



place of a calyx. 

 Papyraceous. Having the texture of paper. 

 Paraphyscs. In mosses, the minute filiform 



bodies which accompany the male and female 



organs. 

 Parasitic. Growing upon and deriving nourish- 

 ment from another plant. 

 Parenchyma. The soft cellular tissue of plants, 



as the green fleshy part of a leaf. 

 Parenchymatous. Like or formed of parenchy- 

 ma ; also applied to cells narrower at the ends 



and overlapping each other. 

 Parietal. Relating to or situate upon the walls 



of a cavity. 

 Paripinnatc. Evenly or abruptly i)iunate, the 



terminal odd leaflet wanting. 

 Purled. Cleft nearly to the base. 

 Partial. Secondary as distinguished from the 



principal and primary. 

 Partition. An inner wall or dissepiment. 

 Pa/clliform. Trencher-shaped, with the margin 



less raised than in Scutelliform. 

 Patent. Wididy spreading. 

 Patulous. Slightly or moderately spreading. 

 PauciJIorous. Few- flowered. 

 Pear-shaped. Obovoid or obconical with a sonu-- 



what tapering base and usually obli(iue or 



nnsymmetrical. 

 Pectinate. Comb-like : cleft with narrow closely 



set segments. 

 Palate. Palmately divided or parted with the 



lateral divisions again 2-cleft. 

 Pedicel. The footstalk or supjiort of a flower. 

 Pedicellate. Borne on a i>e(liccl. 

 Peduncle. A general or i)rimary flower-stalk. 

 Pedunculate. Furnished with a peduncle. 

 Peltate. Shield-shaped ; flat and attached to its 



support by its lower surface. 

 Pendent. Hanging on its stalk or support. 

 Pendulous. Hanging nearly inverted from its 



sujiport ; of ovules, more or less drooi)ing, as 



distinct from suspended. 

 Penicillate. Resembling a brush of fine hairs. 

 I'epn. A cucurbitaceous fruit. 

 Perennial, i'ersisfc^nt a serii's of years. 



