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Rh SPHAGNUM HUMILE, Schimp.

Tab. 3.

, 1–5-unciales, robustiuscuhe, in cæspitibus glauccscenti-viridibus inferne sordide albesccntibus degentes.

simplex vel bifurcatus, strato corticali triplici poris carentc vestitus: ramulis 2–3 fasciculatis plus minus congestis squarroso-foliosis, 1–2 erecto-patentibus vel deflexis, cæteris gracilioribus pendulis; cellulis corticalibus stratum simplex formantibus elongatis, nonnullis apice leniter recurvo pertusis.

caulina triangulari-ovata oblongave, crecta vel reflexa, apice eroso-dentata, parce porosa, fibrillis plerumque destituta: folia ramulorum majorum oblonga, acuminata, apice truncato denticulata, laxe incumbentia, e basi ad medium erecta amplex-ante, dehinc squarrosa; apicalia stricta, lanceolato-subulata; omnia angustissime marginata; cellulis hyalinis latiusculis elongato-rhomboideis vel angulato-fusiformibus porosis fibrillosis; cellulis chlorophyllosis versus folii dorsum positis ibidemque subemersis, transverse sectis cuneiformi-ellipticis.

dioici? masculi ignoti: feminei in caulis capitulo gemmæformes curvuli.

globosa exserta: perichætii raro dissoluti foliis superioribus elongato-oblongis sensim acuminatis late marginatis fibrillis porisque instructis.

Tallahassee, Florida, Rugel. Lookout Mountains, Alabama, Lesquereux. New Jersey, James, Austin.