... with a distinct neck, length about i mm. without the lid, which is as long as the rest of the capsule, with a straight beak, calyptra cucullate, entire ; peristome red, connivent,. teeth deep set, slender, split to middle, or perforate to base, striolate...
Analytic Keys to the Genera and Species of North American Mosses - Page 270
by Charles Reid Barnes, Fred DeForest Heald - 1896 - 368 pages
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