314 GLOSSARY 
GLOSSARY 
Note: Last terms frequent in compounds are found in their proper place 
alphabetically. The accent is indicated only in those words accented on the 
penult; all others are accented on the antepenult, or recessively. 
abundance, the total number of individuals in an area. 
acospore (dx, point), a plant with awned disseminules. 
acrophyti’um (dxpov, peak), an alpine plant formation. 
acti’um (d«ry, rocky coast), a rocky seashore formation; actad, plant of a 
rocky seashore. 
-ad (-adys, patronymic suffix), suffix for denoting an ecad. 
adaptable, able to originate ecads; adaptation, the structural response to 
stimuli, 
adjustment, the functional response to stimuli. 
adventicious (adventicius, foreign), invading from distant formations. 
adventive (adventivus, accidental), established temporarily. 
aggregation, the coming together of plants into groups. 
agi’um (dy7j, beach), a beach formation; agad, a beach plant. 
agri’um (dypés, field), a culture formation; agrad, a cultivated plant. 
aiphyti’um (de/, permanent), an ultimate formation. 
alsi’um (ddgos, grove), a grove formation; alsad, a grove plant. 
alternation, the heterogeneous arrangement of plant groups and formations 
universally present in vegetation. 
amathi’um (dyo6os, sand of the plain), a sandhill or sandplain formation; 
amathad, a sandhill plant. 
ammochthi/um (dupos, sand, 6x6), bank), a sand bank formation: ammoch- 
thad, a sand bank plant. 
anci’um (dy«os, mountain glen), a canyon formation; ancad, a canyon plant. 
anemi’um (dveyos, wind), a blowout formation; anemad, a blowout plant; 
anemochore, a plant distributed by wind. 
-anum (locative suffix), a suffix denoting a layer. 
apostrophe (dé, away from, orpo¢y, a turning), the arrangement of the row 
of chloroplasts parallel to the rays of light. 
apparent noon, the time when the sun crosses the meridian, i.e., sun noon as 
distinguished from noon, standard time. 
-ard (dpdov, water of the land), combining term for water-content; ardium, 
a succession due to irrigation. 
ardesiacus, slate colored. 
