SIGNS USED IN DESCRIPTION. 
°, // . The sign of degrees (°) is used for feet; of minutes (') for 
inches; and of seconds (") for lines. Twelve lines to one inch; one line 
nearly two millimeter, (mm.) 
A dash (-) separating words or figures denotes extremes of variation — 
the variation of value. 
Fr. Fruit. 
FI. Flower. 
