The floristic characteristics of the bryophytes and Karst Depostion in Karst Caves,England Chiritopsis lingchuanensis Yan Liu & Y. G. Wei, a new species of Gesneriaceae from Guangxi, China Polystichum mulunense (Dryopteridaceae), a New Species from Karst Caves in Guangxi, China Karst cave bacterial calcium carbonate precipitation:the Shijiangjun Cave in Guizhou, China Chirita leeii(Gesneriaceae), a new species from Guangxi, China Polystichum mulunense (Dryopteridaceae), a New Species from Karst Caves in Guangxi, China