A NEW SPECIES OF PERONOSPORA DRACOCEPHALUMRUYSCHIANUML.
霜霉属一新种

Peronospora dracocephali C. J. Li et Z. Y. Zhao sp. nov. onDracocephalum ruyschianum L. collected from Northwest of China is described andillustrated. Latin and Chinese diagnoses are given. The type specimen is deposited inHerbarium of Mycology, August -l Agricultural College (HMAAC 001321), Xinjiang,China.