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TORTULA FLEXUOSA.
Tortula caule elongato ramoso, foliis lanceolato-lineari-
bus carinatis nervo excurrente, perichætialibus longis-
simis vaginantibus, capsula cylindracea, operculo
longe subulato. (Tab. CXXV.)
Hab. Ad promontorium Bonæ Spei. D . Menzies, 1791.
Caules vix unciam longi, erecti, crassiusculi, apicem versus præcipue
ramosi. Folia fusco-viridia, arete imbricata, erecto-
patentia, rigidiuscula,lineari-lanceolata, carinata, margine subundulata,
nervo valido, intense fusco, paulo ultra apicem excurrente
instructa. Perichætialia elongata, setæ basin insigniter
vaginantia atque circumvoluta, flavo-fusca, attenuata, nervo
obscuro. Sela biuncialis, flexuosa, flavo-rufescens. Capsula
cylindracea, intense fusca. Calyptra subulata, basi bine fissa.
Operculum subulatum, capsula subæque longum. Peristomium
longum, flavo-rufescens, e dentibus vel ciliis spiraliter tortis.
This plant in the curious structure of the perichætium will rank
with Toriula convoluta, revoluta, and T. pilifera of this work
(Tab. X II.), differing from all in its flexuose fruitstalks, and their
great length. The operculum and the peristomium too are remarkably
long, as well as the perichætial leaves.
Fig. 1, 1, 1, plants, nat. size. Fig. 2, 2, leaves. Fig. 3, perichætium.
Fig. 4 and 5, leaves of ditto. Fig. 6, capsule and
peristome. Fig. 7, operculum. Fig. 8, calyptra.—magn.