Page:Icones muscorum.djvu/71

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ICONES MUSCORUM.
59

MACROMITUIUM DREGEI, Hornsch.

Tab. 37.

Plantæ acrocarpicæ vel innovatione pleurocarpicæ, intricato-cæspitosæ; cæspitibus extensis laxis rigidulis rufo-fuscis.

Caulis 2–3 uncias longus, procumbens; ramis asccndentibus innovando-ramulosis subjulaceis gracilibus.

Folia conferta, erecto-patentia, sicca arete imbricata, ovato-lanceolata, sensim acuminata, papillulosa, media basi profunde excavata, e cellulis subrotundis densius areolata, fere ad apicem usque carinato-costata, alis leniter recurvis.

Flores monoici: masculi terininales vel axillares, gemmaceas; perigonialibus externis ovatis, internis obovatis apiculatis hyalinis runs superne eroso-dentatis; antheridiis et paraphysibus numerosis.

Capsula elliptico-cylindracea, in pedicello 3–4-lineari erecta, sicca basi oreque plicata; peristomio simplici (externo deficiente) e membrana truncata breviter emergente exstructo; operculo erecto conico-subulato; calyptra pilosa capsulam totam tegente.

Macromitrium Dregei, Hornsch. in Linnæa 1841, p. 131; Sulliv. Mosses U. States, p. 31; Sulliv. & Lesqx. Musc. Bor.-Amer. Exsicc. (ed. 1), No. 128.

Hab. On the bark of old pine trees, top of Yonah or Bear Mountain, Georgia, Lesquereux.

We have not seen authenticated specimens of Hornschuch's M. Dregei from the Cape of Good Hope, and in thus referring our species we rely solely on his description, and on the noteworthy fact that it (as well as two other species from the Southern United States, viz. Anomodon Toccoæ and Bruchia brevipes) cocurs also at the Cape (fide Herb. Taylor).