Dissolve gelatin in boiling water; add vinegar and salt.
Pour about 1/2 inch of gelatin mixture into 8 1/2 x 4 1/2 x 2 1/2-inch loaf pan.
Chill until set.
Divide beans in 3 or 4 bundles and circle each with pimiento strip.
Arrange on gelatin in pan.
Chill remaining gelatin till partially set: pour enough over beans to cover; chill until firm.
Meanwhile combine remaining gelatin with rest of vegetables (but do not chill).
Pour over firm gelatin in pan, then chill till set.
Unmold on greens.