Spore Morphology of Pteridophytes from China ⅩⅣ.Selaginellaceae Spore Morphology of Eight Species of Selaginellaceae from Yunnan Leaf morphology of 29 Chinese and one Thailand species of the Selaginellaceae and its taxonomic significance STUDOES ON THE MORPHOLOGICAL DEVELOPMENT GAMETOPHYTES OF SELAGINELLACEAE Studies on the Chinese species of Selaginellaceae (Ⅰ): Selaginella subgenus Tetragono-stachys Jermy Investigations and studies on medicinal plants from Selaginellaceae in Hubei Province Chemical constituents of Selaginella sinensis Selaginella xishuiensis, a new species of Selaginellaceae from Guizhou, China