. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. 146 THE, WOOD FERNS. tinct species, the indusium is described as glandular and that according to Eaton, specimens of true spinulosum with glandular indusia have been collected in America. The young fern student will encounter no more perplex- ing problems tlian the separation of these forms presents. When possible he should compare his specimens with others that are known to be authentic. All are ever-. As/iiiiiiiin spinulosum dilalalum. Lowest Pinna. green though the blades do not remain erect during
. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. 146 THE, WOOD FERNS. tinct species, the indusium is described as glandular and that according to Eaton, specimens of true spinulosum with glandular indusia have been collected in America. The young fern student will encounter no more perplex- ing problems tlian the separation of these forms presents. When possible he should compare his specimens with others that are known to be authentic. All are ever-. As/iiiiiiiin spinulosum dilalalum. Lowest Pinna. green though the blades do not remain erect during the winter. This group is found from Canada to North Carolina and northwestward to Alaska. The type is rather rare with us, but is more common in Europe and Asia. Inter- medium does not seem to be found abroad. Dilatatum is the common form in Alaska. It is said that its root- stock is the first vegetable food the Alaska Indians are able to obtain in spring. It is dug before the fronds develop and baked in pits lined with hot stones. It is reported to have a slightly sweetish taste but to be too smoky and tobacco-like in flavour for any but an Indian's 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 N. (Willard Nelson), 1869-1950. Toronto : W. Briggs
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