. Our ferns in their haunts; a guide to all the native species. Ferns. THE WALKING FERN AND HART'S-TONGUE. 267 and Kansas. It was once regarded as being closely restricted to limestone rocks, and, indeed, shows a preference for them, growing where the soil is soft and thin and its roots can come in contact with the stone ; but it is now known to grow also upon sandstone, shale, gneiss, quartzite and granite. The books unite in calling it a rare species but this is due more to its local distribu- tion than to any lack of the plants themselves. It certainly is not rare with the rareness of the h
. Our ferns in their haunts; a guide to all the native species. Ferns. THE WALKING FERN AND HART'S-TONGUE. 267 and Kansas. It was once regarded as being closely restricted to limestone rocks, and, indeed, shows a preference for them, growing where the soil is soft and thin and its roots can come in contact with the stone ; but it is now known to grow also upon sandstone, shale, gneiss, quartzite and granite. The books unite in calling it a rare species but this is due more to its local distribu- tion than to any lack of the plants themselves. It certainly is not rare with the rareness of the hart's-tongue or Asplenium ebenoides or even the lit- tle curly grass. On the dryish ledges of shaded cliffs it frequently spreads a carpet of its interlacing fronds that may be pulled off in large sheets. Its fondness for horizontal shelves and the tops of rocks is especially noticeable. Miss S. F. Price notes in the Fern Bul- letin that in parts of Kentucky the plant is called wall link. The leathery, dark green and glossy fronds endure the winter unharmed and last for some time the following year. There is some belief that they may occa- sionally last through two winters. On ac- count of its interesting features, it is a desirable plant for the fern garden. It will grow and thrive in any garden soil if given deep shade, but it does much better in the chinks of a rockery made of lime- stone or other calcareous A FRUITING Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Clute, Willard Nelson, b. 1869. New York, F. A. Stokes Co
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