FRAAS, KARL NIKOLAS (1810-1875), German botanist and agriculturist, was born at Rattelsdorf. He studied at Munich, and in 1835 went as inspector of the court garden at Athens, where in 1836 he became professor of botany. In 1842 he returned to Germany as teacher at the central agricultural school at Schleissheim. In 1847 he was appointed professor of agriculture at Munich, and in 1851 director of the central veter inary college. He died at Munich on Nov. 9, His principal works are: Synopsis florae classicae (Munich, 1845) ; Klima and Pflanzenwelt in der Zeit (Landsh., 1847) ; Histor.-ency klopad. Grundriss der Landwirthschaftslehre (Stuttgart, 1848) ; Ge schichte der Landbau and Forstwissenschajt seit dem 16 Jahrh. (Munich, 1865) . He also founded and edited a weekly agricultural paper, the Scliranne.