BOTANIC MATERIA MEDICA, 467 
Protoplasma—pro’-to-plas’-ma, also Proto- 
plasm (Gr. frofo, first, and plasma, a model 
or what has been formed). A coating of mat- 
ter found on the inside of the cells of the cel- 
lular tissue; the material from which the cell 
nuclei are formed; the formative material of 
the cell, 
Protozoa (plural) also Protozoans (Greek 
Protos, first; and zoe, life or zoon, an animal), 
The lowest form of animal life, the line of 
demarcation between animal and vegetable 
life. 
Pseudomorphos—su’-do-mor’-fus (Gr. pseu- 
des, false, and morphe, form). Substances 
found in regular crystals but not possessing 
regular crystalline structure. 
Punctate, or Punctated—pung’-tat (Lat. punc- 
‘um, a dot, point or small hole). Having 
the surface covered with dots or small holes, 
as is the case with many leaves. 
Purslane, also Purslain—(Latin portulaca, 
purslane). Annual plants or weeds with fleshy, 
succulent leaves and stems, native of Africa; 
the much admired little flowering plant called 
the portulacca is an example. 
Putamen—pu-ta’-men (Lat. putamen, a pod or 
shell). The stone or shell of a fruit, also 
called undocrap; the peach stone and almond 
are examples. 
Pyriform—pir’-i-fawm (Lat, pyrum, a pear, 
and fero, I bear), Pear shape, like a pear in 
form. 
Pyrogallic Acid—(Gr. pur, fire, and gala, the 
gall nut). An acid obtained by the action of 
heat on gallic acid. 
