2 oz black blended Jamaican rum1½ oz black tea, chilled1 oz lime juice½ oz white sugar
instructions :

Dissolve sugar in lime juice in a tall glass. Add tea and rum, fill with crushed ice and swizzle.

Add more ice to fill.

Punch :

This cocktail can easily be batched as a punch. Just multiply the measurements by the number of servings desired.

Use 1 tea bag for every 8 ounces of water.

source :
Beachbum Berry’s Sippin’ Safari, adapted from Fred Myers's.