ERRATA. 



Page 19, 2d line from bottom, for Fiimaria hygrometrica, rearl Funaria, &c. 



Page 23, 1st line, for June 12, 1874, read June 12, 1873. 



Page 37, bottom line, for S. serpbyllifolia, read S. Serpyllifolia. 



Page 38, 22d line from top, for Parnassia parvifolia, read Parnassia paryiflora. 



Page 48, 5tb line from bottom, capital Wfor Wolfii. 



Page 53, 4tli line from top. for C. albolutesceus, read C. albolutrescens. 



Page 58, 14th line from top, capital S for Lycopodium Selago- 



Page 59j, 26tli line from top,forOrtL()trLclium tenuelum, read Orthotricbum tenellum 



