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LENIUS at t. 49. f. 55, I am willing to admit into the present
publication, on account of another species having been given
under the same name in “ English Botany.” The latter,
which is the Barhula rigida of H e d w ig , is completely destitute
of nerve, and is named by Dr H o o k e r and myself, in
our monograph of the genus, Tortula enervis. This and Tor-
tida brevirostris, figured at t. 331. of this work, form the Tortula
rigida of the continental botanists; and it is not therefore
surprising that they should think us erroneous in attributing
a nerve to the species now under consideration, which
Ave regard as the true individual. is
Fig. 1. T. rigida, natural size. Fig. 2. A
Peristome; magnified.
Fig. 3. Leaves. Fig. 4.
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