APPENDIX. 1113 
Osconic. Shaped like an inverted cone. 
OxcorDATE. Inversely heart-shaped, the notch being uppermost. 
OpsuiguE. (1.) Unequal-sided. (2.) Slanting ; turned to one side. 
Ostone. Considerably longer than broad, with paralle! sides and rounded ends. 
OsoyaTte. Inversely ovate, the broadest part towards the apex. 
Oxsovorp. A solid with an obovate outline. 
OxssoLeteE. Wanting or impertectly developed. 
Osruse. Blunt or rounded at the end. 
OcELLATE, OCULATE. Having circular patches of colour like eyes. 
OcHRACEOUS. Ochre-colour ; light-yellow with a tinge of red. 
OCHREATE, OCREATE. Provided with an ochrea, a tubular stipule sheathing the stem, 
as in many Polygonaceae. 
OLIGANDROUS. Having few stamens. 
Opposite. Standing against or facing each other, as leaves when two spring from the 
same node, or when a stamen stands in front of a petal. 
ORBICULAR. Applied to a leaf or other body having a circular outline. 
OrpER. A group of plants above the family in rank, and containing one or several 
closely allied families. 
Or@an. Any definite part of a plant, as a cell, a leaf, a flower, &c. 
ORTHOTROPOUS, ORTHOTROPAL. Applied to an ovule with a straight axis, the chalaza 
being at the point of insertion, and the micropyle at the opposite end. 
OssxHous. Bony. 
Ovary. The lower swollen part of the pistil, containing the ovules. 
OvatE. Shaped like the longitudinal section of an egg, the broadest part being towards 
the base. 
Ovorp. A solid with the shape of an egg. 
OvULATE. Possessing ovules. 
OvuLze. The young seed in the ovary; an organ which after fertilization develops 
into the seed. 
OvuLIFEROUS. Bearing ovules. 
PALATE. A projection within the throat of an irregular gamopetalous corolla; the 
prominent lower lip of a bilabiate corolla. . 
PaLEA. (1.) The innermost bract or glume in grasses. (2.) The chaffy scales mixed 
with the florets on the receptacle of many, Compositae. 
PaLHAcnous. Chaffy or furnished with chaff-like scales. 
PatMATE. Lobed or divided so that the divisions radiate from the summit of the 
petiole. 
PALMATIFID. Cut in a palmate manner almost as far as the petiole. 
PANDURIFORM. Fiddle-shaped. 
PanicLE, A loose irregularly branched inflorescence usually containing many flowers ; 
a branched raceme or corymb. 
PANICLED, PANICULATE. After the manner of a panicle; bearing a panicle. 
PAPILIONACEOUS. Butterfly-like ; applied to the irregular pea-like flowers characteristic 
of the suborder Papilionaceae of the Leguminosae. 
Papitta. A soft superficial gland or protuberance. 
PaPitLosE. Covered with papillae. 
PapriroRM. Resembling pappus. 
Paprus. The hairs, bristles, or scales crowning the achene in Compositae, representing 
the calyx-limb. 
Papyraceous, Having the texture of paper. 
Parasire. A plant growing upon another plant and deriving nourishment from it. 
Parasitic. Growing as a parasite. 
PARIETAL. Borne on the walls or interior surface of an ovary; attached to the wall 
of any organ. | 
Partire. Cleft almost to the base. 
Partiat. A secondary division, as a partial umbel; opposed to “ primary” or 
** general.”’ 
Partition. An inner wall or dissepiment. 
Patent. Widely spreading. 
Patutovus. Slightly spreading. 
PrcrinatE. Applied to a pinnatifid leaf with very narrow segments like the teeth of a 
“comb. 
