The latter part of August and the early half of September, 1915, the writer and Mr. H. C. Bollman spent camping at Clove in southern Dutchess County, New York, upon the farm of Mr. P. H. Christie. Much of the writer's time was given to collecting plants and he found many of interest to him, especially since he had never before had an opportunity to botanize so far north. While the area explored was not very large, a number of rather rare plants were discovered, as well as several which show slight extensions of range, judging from the lately published Flora of the Vicinity of New York. Thirty-six species of ferns and fern allies were observed, surely a large number for any area of the same size in temperate North America, and probably others were overlooked. While none of the species are rare, it seems worth while to publish some record of them, especially since two represent southward extensions of range, according to Miss Slosson's treatment of the group in the work just mentioned. The settlement of Clove occupies the broad, open valley of one of the heads of Fishkill Creek, which runs southward. Abruptly on the east and west rise two ranges of low mountains. The writer collected chiefly on the East Mountain, as it is called. This, like most