Sentence:  As the evening falls, colored lamps and Chinese lanterns are lighted around the venerable oak which stands in the middle of the fairground and boys climb about among its topmost branches with <WSD>maroons</WSD> and Bengal lights. 
Meaning of the word marked with <WSD> tags:  A rocket-propelled firework or skyrocket, often one used as a signal (e.g. to summon the crew of a lifeboat or warn of an air raid).