Draw dotted lines through 1 and 3, 2 and 4, 5 and 7, 6 and 8.

Measure 1/4 in. toward the right from points 5 and 7 and place a dot.
Draw full lines toward the left to the intersection of the dotted
lines. Measure 1/4 in. down from 1 and 3, and place dots. Draw full
lines upward to the intersection of the dotted lines. Measure 1/4 in. up
from points 2 and 4, place dots, and draw full lines downward to the
intersection of the dotted lines.

Draw a full line from points 6 and 8 to the intersection of dotted
lines.

Cut on full lines.

Fold on dotted lines.

Fold A, B, and C, in this order, and paste, leaving D for flap to be
pasted down when the envelope has been filled with seeds.

DIMENSIONS OF MARKERS

The right marker is 3-1/2 in. long. The distance from head to central
point of notch is 1/2 in. The distance between notches, or from the
central point of one notch across the marker to the central point of the
other, is 3/8 in. The width is 1/2 in. and the thickness 1/8 in.

The middle marker is 4-1/2 in. long, 1/2 in. wide, and 1-1/16 in. thick.
Allow about 5/8 in. for the pointing at the end.