Quarantine with a disinfecting stove, have a right to navigate the Canal, in quarantine, subject only to the landing of those who were suffering from plague. Plain yellow, green, and even black flags have been used to symbolize disease in both ships and ports, with the color yellow having a longer historical precedent, as a color of marking for houses of infection, previous to its use as a maritime marking color for disease. The present flag used for the purpose is the "Lima" (L) flag, which is a mixture of yellow and black flags previously used. It is sometimes called the
Flag of the Northern Territory feature the colour blue). The Southern Cross appears as five white stars on a black panel at the hoist. In the fly of the flag is a stylised Sturt's Desert Rose, the territory's floral emblem since 1961, with seven white petals and a black seven-pointed core. The seven white petals represent the six Australian States and the Northern Territory. Flag of the Northern Territory The current state flag of the Northern Territory was officially adopted by the Northern Territory, Australia, in 1978. The Northern Territory has been in existence since 1911, but did not hoist its first flag until self-government