A NEW SPECIES OF LOBARIA HOFFM
肺衣属一新种

A new species of Lobaria from China, L. yulongensis Chen, is described in the present paper. The diagnostic characteristics for L. yulongcnsis Chen are: 1. harder and thicker thallus and dark brown upper surface, 2, lobea reticulately ridged, 3. numerous lobules at ridged portions and margins, 4. the presence of the pruina at top of lobes and lobules, 5. the presence of stictic and costictic acids and an unknown substance similar to gyrophoric acid in Rf value, lacking gyrophoric and norstictic acids.