460 A COMPENDIUM OF 
Pentaphyllus—pen-taf’-il-lus (Gr. pente, five, 
and phullon, a leaf), Having five leaves. 
Pentaspermous—pen’-ta-sper’-mus (Gr. pente, 
five, and sperma, seed), A fruit containing 
five seed. 
Peony—pe’-o-ni (Lat. peonta, gets its name 
from the discoverer, Peon). <A plant much 
esteemed for its showy flowers. 
Pepo—pe’-po, also peponida (Lat. pcpo,a gourd; 
from the Gr. pepon, a kind of melon, from 
Pepon, ripe, mellow). The fruit of the cu- 
cumber, melon, etc.; natural order Cucurbi- 
taceze, 
Pepsine—pep’-sin (Gr. pesso, I digest; pepso, I 
shall digest ; pepsis, adigesting, a cooking). 
The well-known substance obtained from the 
gastric juice of animals; a medicine to pro- 
mote digestion, 
Perenchyma—per-eng’-ki-ma (Gr. pera,. a 
pouch ; exgchuma, what is poured in, from cheo, 
I pour). Cellular tissue containing starchy 
matter, 
Perennial—per-en’-ni-al (Lat. perennis, - last- 
ing through the year; from fer, through, and 
annus, a year). A plant living only through 
one season, 
Perfoliate—per-fo'-li-at (Lat. per, through, 
and folium, a leaf), Applied to the leaf 
when the stem seems to pierce the leaf; 
when the lobes of the leaf clasp the stem, 
giving the appearance of entering the leaf. 
Example: the honeysuckle and some of the 
boneset plants, 
Perfume—per’-fum (Lat. fer, through and 
JSumus, smoke: Fr, parfum ; Italian, profumo, 
