XX GLOSSARY. 
Parasitic (mopaoiros, one who eats with another,) plants which attach 
themselves to other plauts, and have the power of absorbing 
their nutriment, and applying it to their own nourishment, as 
the Cuseuta. 
ParrncuyMa, the cellular tissue filling up the interstices between the veins 
of leaves. 
PaRteTaL, anything arising from the inner lining or wall of anything is 
said to be parietal. 
PaRI-PINNATUS, equally pinnate when the petiole is terminated without 
leaflet or tendril. 
PanrteEp, divided into segments, which extends to nearly the base of the 
part to which it belongs; bi-partitus, divided into two; tri 
partitus, into three, &e. 
PaRTITIONED (loculosus), divided into cells by internal partitions. 
PaTENS, spreading, having a gradually outward direction. 
PEAR-SHAPED (pyriformis), shaped like a pear. 
Precrinatus (comb shaped), cut into very numerous close narrow segments, 
like the teeth of a comb. 
Prepare (pedatus), cut into palmate lobes, having the two lateral lobes 
themselves divided into smaller segments, the mid-ribs of 
which do not run into the same point as the rest, as the 
leaves of Helleborus niger. 
PEDATIFIDUS, pedate, with the lobes cut in numerous segments. 
PEDICELS, the ultimate branches of the peduncle which bears the flowers. 
PEDUNCLE, the branches of an inflorescence. 
Peurate, a flat shield, without any elevated border, as the apothecia of 
some Lichens. 
PELTATE (peltatus), the same as umbilicatus. 
PenpvuLovs (pendulus), hanging down in consequence of the weakness of its 
support. 
Prpo, a one celled many seeded inferior indehiscent fleshy fruit, having the 
seeds attached to a parietal pulpy placenta, as the Cucumber, 
Melon, &e. 
PERENNIAL (perennis), lasting for several years. 
PERFOLIATE (perfoliatus), when two opposite leaves are united together at 
their base, so that the stem appears to pass through the 
substance of the leaf, as Chlora perfoliata. 
PeriantH (7es, around, aybos, flower,) a floral covering, when there is only 
one covering, as the tulip, the perianth is said to be single; 
when there are two, forming calyx and corolla, it is said to be 
double. 
PERICARP (wees, around, x#e7os, fruit,) the covering on the outside of the 
real integuments of the seeds; in ripe fruit it is extremely 
diversified in size and texture; the coverijg which it forms to 
some seeds is not thicker than a line, and to others more 
than a foot, and its texture varies from a delicate membrane 
to the hardness of wood; in many it is dry, in others sue- 
eculent, &e. 
PunicyNnous (es, around, yuyn, a woman,) growing upon some body that 
surrounds the ovarium. 
