GLOSSARY 
Abortion. Premature birth. 
Acaulescent. Stemless. 
Acridity. Sharp, bitter taste. 
Acuminate. Taper-pointed. 
Aleurone. The protein layer of a seed. 
Alternate. One after another (used of the arrangement of leaves on a 
stem). 
Anaérobic. A term applied to organisms which thrive best when air is 
excluded. 
Anesthesia. Loss of feeling. 
. Annual. Maturing in one year. 
Anther. The pollen-sac of a stamen. 
Antidote. A substance which counteracts a poison. 
Antiferment. A preventative of fermentation. 
Antitoxin. An antidote for a toxin. 
Arterioles. Fine, elastic-walled blood vessels connecting arteries and capil- 
laries. 
Arthropods. Animals with jointed limbs like the insects, spiders, etc. 
Ascomycete. A fungus which bears its spores in asci. 
Ascus (Pl. asci). A spore sac. 
Asphyxia. Suffocation. 
Ataxia. Inability to codrdinate voluntary movements. 
Atrophy. Degeneration. 
Autopsy. An examination after death. 
Awns. ‘Beards”, as in barley. 
Axil. The angle between leaf and stem. 
Bacillus. A rod-shaped type of bacterium. 
Biennial. Maturing in two years. 
Botulism. A disease produced by a bacillus living in spoiled meats, etc. 
Bracts. Small abortive leaves. 
Calyx. The outer whorl of a complete flower, composed of sepals, usually 
green. -_ 
Capillary. A fine, thin-walled bloodvessel, where gaseous, food and other 
exchange takes place. 
Capsule. A short pod. 
Cardiac. Relating to the heart. 
