BOTANIC MATERIA MEDICA, 463 
Physic—fiz’-ik (Gr. phusikos, conformable or 
agreeable to nature, from phusis, nature). 
A natural production of any kind; a knowl- 
edge of medicine; the art of healing; reme- 
dies for disease, from the Lat. physica; Fr, 
physique. 
Physics—fiz’-iks (plural). The science of mat- 
ter, laws of motion; signs of nature; natural 
philosophy. 
Physiology—fiz’-i-ol’-o-gy (Gr. phusis, nature, 
and /ogos, discourse). The science which 
treats of the vital functions or actions per- 
formed by the organs of plants and animals. 
Phytogeny—fi-toj’-e-ni, also Phytogenesis— 
fi-toj’-en-e’-sis (Gr. phuton, a plant, and ger- 
mao, 1 produce). The doctrine of the pro- 
duction or generation of plants; the develop- 
ment of the plant. 
Phytology—fi-tol’-o-ji (Gr. phuton, a plant, and 
logos, discourse). The science of the vegeta- 
ble kingdom, Botany. 
Phytonomy—fi-ton’-o-mi (Gr phuton, a plant, 
and xomos, alaw). The science of the growth, 
origin and arrangement of plant life. 
Phytotomy—fi-tot’-o-my (Gr. phuton, a plant, 
and ¢ome, a cutting). The dissection of or- 
ganized vegetable bodies. ; 
Pilose—pi’-loz, also Pilous (Lat. pzlosus, hairy, 
shaggy, from pz/us, hair). Abounding in 
hairs: covered with hairy down, as in some 
leaves, 
Pinnate—pin’-nat, also Pinnated (Lat. penna, 
a feather or fin). A compound leaf having 
Several leaflets attached to each side of a cen- 
tral stem or rib. 
