The three main devices (symbols) in the Jugg blazon are the cinquefoil, escarbuncle and rose. The three main tinctures (colors) are vert, gules and argent .
The deep green colour that is so often observed in heraldry is more properly known as vert. According to Wade, the use of this colour signifies “Hope and Joy”, but may also represent, rather delightfully, “Loyalty in Love” 1. It has other names also, the French call it sinople, perhaps after a town in Asia Minor from where the best green die materials could be found 2. More fanciful heralds liked to associate it with the planet venus and the precious stone emerald 3. More strangely, there is some evidence that the term prasin was anciently used, being the Greek for the vegetable we call the Leek!
Red in heraldry is given the name Gules, sometimes said to be the “martyr’s colour”4. The colour is also associated with Mars, the red planet, and the zodiacal sign Aries 5. Later heralds of a more poetical nature would sometimes refer to the colour as ruby, after the precious stone.6.
Argent is the heraldic metal Silver and is usually shown as very pure white. It is also known more poetically as pearl, moon (or luna) 7. In a sketch or drawing it is represented by plain, unmarked paper 8.
Natural objects abound in heraldry, and one category that gives especial delight are the many flowers and flowering plants that frequently occur 9. The cinquefoil is also of this type, being drawn, at least a little, realistically and often to very pleasing effect. It is shown as five-petalled flower, each petal quite rounded but with a distinct tip. It is sometimes pierced with a hole in the centre and usually appears on its own, without any leaves. 10 It has no fixed colour but can appear in any of the available heraldic tinctures.
The escarbuncle is a very ancient symbol that actually predates heraldry, although of uncertain origin. In appearance it resembles the “boss” at the centre of a shield and the strengthening rods radiating from it, and this has become its recognised heraldic form. 11. Wade refers to its original meaning as a “symbol of supremacy”. 12
Natural objects abound in heraldry, and one category that gives especial delight are the many flowers and flowering plants that frequently occur 13. The rose is also of this type, being drawn, at least a little, realistically and often to very pleasing effect. It has long been present in English heraldry, and as a badge and symbol played an enormous in English history throughout the conflict between rival dynasties known as the War of the Roses. In addition to these familial uses, Wade suggests that red roses signify “beauty and grace” and the white represents “love and faith”. 14