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Rh POGONATUM BRACHYPHYLLUM, Michx.

Tab. 48.

humiles, rigidæ, dense gregariæ, olivaceo-virides, demum fusco-rubentes, c prothallio radiculari innovantes.

linea brevior, e basi sola radiculos numerosissimos proferens, rosulato-foliosus.

conferta; inferiora minuta, squamiformia, decolora; caetera multo majora duplo triplore caule longiora, media valde patentia, summa erectiuscula, e basi lata brevi membranacea laxe oblongo-reticulata amplectante oblongo-lanceolata, obtusiuscale acuta, margine integra; costa superne dilatata dense lamelligera totamque fere paginam explente; lamellis latis margine incrassatis.

dioici: masculi hucusque ignoti.

e collo parvulo gibboso-ovata et brevi-oblonga, cernua, pachyderma, cellulis parietis externi prominulis papillosa, luteo-fusca, sicca plus minus costulata atque sub ore ampliato constricta; columella 4–6-alata; pedicello 7–10-lineari firmo atro-purpureo sicco dextrorsum torto; peristomii dentibus 32 ligulatis acutis rufo-aurantiis ad margines hyalino-albescentibus, membrana basilari exserta; operculo depresse convexo-conico apiculato; mitra villosa calyptræ brunneo-rufa ultra capsulæ medium producta.

Moist clayey banks, Texas, Wright. Louisiana, Drummond. Green County, Mississippi, Tice. Wilmington, North Carolina, Curtis.

Pogonatum brachyphyllum is a somewhat smaller species than P. brevicaule, and has a much shorter stem, as well as rosulate