1 It is a stimulant drug that is found in varying amounts in the seeds, leaves and fruits of some plants. 2  Caffeine is most commonly consumed in the form of tea, coffee, soft drinks and energy drinks.  It is widely consumed in the form of infusions extracted from seeds of the coffee plant and leaves of the tea bush.
Black Tie or Black Tie Optional. The line black tie optional suggests a formal beach wedding, usually in the evening. Women should wear a long formal dress. Dark grays, browns, navies, purples, burgundies or greens are appropriate color choices. Men should wear a dark suit and tie.
Jewel tones and darker colors, like emerald, plum and dark blue, are good choices for cold-weather wedding attire. Beach weddings or other tropical themed weddings require the guests to dress accordingly. For these occasions, consider breezy attire for women and a silk shirt and khakis for men.