霜霉属二新种

TWO NEW SPECIES OF PERONOSPORA IN CHINA

本文报道霜霉属(Peronospora)新种二个:即寄生在石竹科植物异叶假繁缕(Pseudo stellaria heterophylla(Miq.)Pax.)上的假繁缕霜霉(P.pseudostellariae G. Y. Yin et Z.S.Yang)和寄生在荨麻科植物藪苧麻(Boehmeria japonica Miq.)上的苧麻霜霉(P.boehmeriae G.Y.Yin et Z.S.Yang)。文中有拉丁文及中文描述。标本保存于南京农业大学真菌标本室和中国科学院微生物所真菌标本室。

Two new species of the genus Peronospora, Peronospora pseudo-stellariae G.Y. Yin et Z.S. Yang sp. nov. on Pseudostellaria heterophylla (Miq.) Pax. and Peronospora boehmeriae G.Y. Yin et Z. S. Yang sp. nov. on Boehmeria japonica Miq., are reported. Latin and Chinese diagnoses for the two new taxa are given. Type specimens of the two new species are deposited the Herbarium Myco-logicum, Nanjing Agricultural University, Nanjing, China and the isotypes in the Herbarium Mycologicum, Institute of Microbiology, Academia Sinica, Beijing, China.