. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. CHEILANTHES AND MAIDENHAIR. 241 mentosa. It is easily our smallest Chcilanthcs. Ordi- nary specimens are but two inches high, while the tallest do not reach a length of more than six inches. The fronds form dense tangled mats and the rootstocks are so interwoven that it is usu- ally impossible to separate single plants without injuring them. The blade is about ovate-lanceolate in outline and is twice pinnate with pinnatifid pinnules, or even three times pinnate. It is further distinguished by bearing
. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. CHEILANTHES AND MAIDENHAIR. 241 mentosa. It is easily our smallest Chcilanthcs. Ordi- nary specimens are but two inches high, while the tallest do not reach a length of more than six inches. The fronds form dense tangled mats and the rootstocks are so interwoven that it is usu- ally impossible to separate single plants without injuring them. The blade is about ovate-lanceolate in outline and is twice pinnate with pinnatifid pinnules, or even three times pinnate. It is further distinguished by bearing the lowest pair of pinniE at some distance from the others. All the pinnules are so crowded that the frond appears to be less divided than it really is. The sori and indusia are similar to those C. vcstita. In old fronds the wool on the under surface is deep, dark brown 1 quite conspicuous. A fruiting pinna will be found in the initial il- lustration for this chapter. Cheilanthes lanuginosa grows on exposed ledges from Texas and Arizona to Illinois, Minnesota and British Columbia. In part of its range, at least, the species is evergreen. This plant has had its full share of change at the hands of the nomenclaturist. It was long known as C. lanuginosa. Later the name of gracilis was decided to be the older and was accordingly adopted. Still more recently it has been renamed C Feci in deference to the rule of priority, this last name having been discovered to be still older. Whether this is the final change remains to be CheiUulltii litHuaiiiJ^ 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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