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Rh BRUCHIA BREVIFOLIA, Sulliv.

Tab. 15.

perhumiles, cæspitulosæ. basi radiculis instructæ.

brevissimus, subsimplcx, ercctus, dense foliosus.

congesta; inferiora minuta, ovata et ovato-acuminata; superiora majora, vix mcdiara capsulam attingentia, late ovata, amplexantia, in acumen latum ejusdem longitudinis subitius producta; cellulis inferne oblongis laxis, superne subquadratis densis; costa lata complanata ad apicem perdu ran te.

monoici: masculi gemmacei, polyphylli, terminales.

pro plantse exiguitate permagna, obovato-oblonga, basi truncata, subito apiculata pedicello perbrevi; calyptra mitræformi basi lobata; vix tertiam capsular partem obtegente; sporis luteolis scrobiculatis diametro $1⁄1000$ unciæ metientibus.

Louisiana, Drummond. South Carolina, Ravenel. Texas, Wright.

The broad, short leaves, the capsules very large for the size of the plant, and the spores minutely pitted (not papillose, as is usual in the genus), furnish decided characters for this species.

TAB. 15.—