Crude extracts were extracted from Sophra japonica L.with 75 % alcohol.Rutin was obtained from the crude extracts by alkine extraction and acid precipitation.
Two japonica rices, Wuyujing 3 and 97 7 were used to study changes in contents of soluble protein, free amino acids and endopeptidase activity during photosynthetic declination.
The silica-phellem block and stomate tubercle on 3rd leaf are underdeveloped, the tubercle of stomate block is small and dense in japonica, big and sparse in O.
When the Gadfly reached his lodgings the sun had set, and the blossoming pyrus japonica that hung over the garden wall looked dark in the fading light.