. Our ferns in their haunts; a guide to all the native species. Ferns. 3o6 KEY TO THE Lvgod» " FRUITING FRONDS PARTLY STERILE. 2. Fcuiting portion z'« /Ae tniddle of the frond. Interrupted fern. OSMUNDA. 30 2. Fruiting portion at the apex of the frond. a. Sterile pinnae palmate; rachis twining. Climbing fern. LyGODIUM. 280 OpViio^louunv a. Sterile pinnae pinnate; fronds large ; fertile portion green, soon turning brown. Royal fern. OSMUNDA. 32 Fruiting portion apparently on a sep- arate stalk, above the sterile. 6. Sterile portion entire, thick ; fer- tile, a simple spike. Adder'
. Our ferns in their haunts; a guide to all the native species. Ferns. 3o6 KEY TO THE Lvgod» " FRUITING FRONDS PARTLY STERILE. 2. Fcuiting portion z'« /Ae tniddle of the frond. Interrupted fern. OSMUNDA. 30 2. Fruiting portion at the apex of the frond. a. Sterile pinnae palmate; rachis twining. Climbing fern. LyGODIUM. 280 OpViio^louunv a. Sterile pinnae pinnate; fronds large ; fertile portion green, soon turning brown. Royal fern. OSMUNDA. 32 Fruiting portion apparently on a sep- arate stalk, above the sterile. 6. Sterile portion entire, thick ; fer- tile, a simple spike. Adder's tongue. Ophioglossum. 45 JBcitr^ciiium 6. Sterile portion more or less di- vided; fruit in racemes 01 panicles occasionally in spikes. Moonwort : Grape ferns. 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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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1901
