. Our ferns in their haunts; a guide to all the native species. Ferns. THE WOOD FERNS. •43. Aspidium Boottii. Lowest pinna. ing the regular- ity of the rows. The indusia are minutely glandu- lar. According to some authors a third set of fronds intermedi- ate in size be- tween fertile and sterile and which may or may not bear sporangia is produced in late summer. This state- ment would seem to need confirmation. The fronds show their kinship to cristatuni by the fact that the fer- tile wither in autumn, while the sterile remain green through the winter. This species is found from Nova Scotia to
. Our ferns in their haunts; a guide to all the native species. Ferns. THE WOOD FERNS. •43. Aspidium Boottii. Lowest pinna. ing the regular- ity of the rows. The indusia are minutely glandu- lar. According to some authors a third set of fronds intermedi- ate in size be- tween fertile and sterile and which may or may not bear sporangia is produced in late summer. This state- ment would seem to need confirmation. The fronds show their kinship to cristatuni by the fact that the fer- tile wither in autumn, while the sterile remain green through the winter. This species is found from Nova Scotia to Virginia and Minnesota and is also reported from Alaska. It is most abundant in wet shady places and is especially fond of swampy alder thickets. It appears to be fairly com- mon, although in comparison with other wood ferns, it is rare in collections. 'The Spinulose Shield Fern. The spinulose shield fern {Aspidhnn spinulosuvi) its varieties are among our commonest species, but their abundance in no wise detracts from their beauty. They are most plentiful in deep moist woods where they flour- ish in the shelter of rocks and large trees or arch along the mossy banks of streams. The species may be distinguished from its relatives and from nearly all our other ferns by its finely divided. 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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