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Lewis & Clark as Naturalists
The Journals Lewis and Clark as Naturalists

deer fern

Capt. Lewis, February 13, 1806--The small firn also rises with a common footstalk from the radix and are from four to eight in number. About 8 inches long; the central rib marked with a slight longitudinal groove throughout it's whole length. The leafets are oppositely pinnate about 1/3rd. of the length of the common footstalk from the bottom and thence alternately pinnate; the footstalk terminating in a simple undivided nearly entire lanceolate leafet. The leafets are oblong, obtuse, convex absolutely entire, marked on the upper disk with a slight longitudinal groove in place of the central rib, smooth and of a deep green. Near the upper extremity these leafets are decursively pinnate as are also those of the large firn [Polystichum munitum].

Capt. Clark, February 13, 1806--The small firn also rises with a common footstalk from the radix and acre from 4 to 8 in number, about 8 inches long; the central rib marked with a slight longitudinal groove throughout it's whole length. The leafets are oppositly pinnate about 1/3 of the length of the common footstalk from the bottom and thence alternately pinnate; the footstalk termonating in a simple undivided nearly entire lanceolate leafet. The leafets are oblong, obtuse, convex absolutely entire, marked on the upper disk with a slight longitudinal gro[o]ve in place of the central rib, smooth and of a deep green; near the upperextremity those lefets are decurscivily pinnate as are also those of the larg firn [Polystichum munitum].

 
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