This volume contains scientific papers on the mosses of the Azores by J. Cardot; on some mosses collected in Madeira by William Trelease in June, 1896. Botanic observations on the Azores by William Trelease. The volume also contains a list of books and papers published by the Garden or its employes for the last seven years and the report of the officers of the board. The report of Director Trelease is extremely interesting and the illustrations are excellent. All botanists and persons engaged in the study of botany will be interested in the volume.