. Our ferns in their haunts; a guide to all the native species. Ferns. i64 THE ROCK SPLEENWORTS. southern Ontario and Michigan to Alabama and Mis- souri, always on rocks. It is also widely distributed in the Old World. Newman in his " British Ferns " says that throughout the northern, southern and western counties of England and also in Wales, Scotland and Ireland, this fern is to be found upon almost every ruin. It is never so common with us and the collector who dis- covers it in a new place is fortunate. Mrs. Parsons, in " How to Know the Ferns," mentions a clump of this
. Our ferns in their haunts; a guide to all the native species. Ferns. i64 THE ROCK SPLEENWORTS. southern Ontario and Michigan to Alabama and Mis- souri, always on rocks. It is also widely distributed in the Old World. Newman in his " British Ferns " says that throughout the northern, southern and western counties of England and also in Wales, Scotland and Ireland, this fern is to be found upon almost every ruin. It is never so common with us and the collector who dis- covers it in a new place is fortunate. Mrs. Parsons, in " How to Know the Ferns," mentions a clump of this fern no larger than the palm of one's hand, in which forty-five fresh fronds were counted. The plant is not very easily cultivated. The Mountain Sphenwort. The mountain spleenwort {Aspleniiim montamcni) greatly resembles the wall rue in everything except numbers, but the latter characteristic will pre- vent its often being mistaken for that species. It was first dis- covered in the Carolinas by Michaux who supposed it to be an Old World species, Asplenium Adiantuvi-nigruin. The points by which it may most readily be dis- tinguished from the wall rue, are the less fan-shaped pinnules and MOUNTAIN SPLEENWORT. , , , r j Aspieniummontanum. the longcr and narrowcr fronds. The rootstock is small and short-creeping, often produc- ing short stubby lateral branches. The fronds are spread- ing and when full grown are from two to six inches long. They are about ovate-lanceolate, twice pinnate at the. 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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