. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. e duller color, subpinnate branchingand more loosely imbricated leaves will usually enable one to recognize it in thefield; spores in winter. Other structural details are shown in plate 86. Ratherinfrequent and local. Var. immersa (Sulliv.) Lindb. is a common southern form which may possiblybe found in the southern part of our range. The leaves sometirjies show tracesof a costa and the capsules are immersed in the perichielial leaves. F. Ohioensis (Sulliv.) Lindb. is
. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. e duller color, subpinnate branchingand more loosely imbricated leaves will usually enable one to recognize it in thefield; spores in winter. Other structural details are shown in plate 86. Ratherinfrequent and local. Var. immersa (Sulliv.) Lindb. is a common southern form which may possiblybe found in the southern part of our range. The leaves sometirjies show tracesof a costa and the capsules are immersed in the perichielial leaves. F. Ohioensis (Sulliv.) Lindb. is a rare species of the Central States, moreslender than the last; costa reaching the middle of the leaves and seta plainlylonger than the perichastial leaves. Crypluea g/omerdta B. & S., a common plant of the southern states, thoughmore slender than any of the species of this family mentioned above, has a similarleaf structure and might be sought here. The leaves are costate and the costaof the inner perichcetial leaves is excurreni: capsules immersed ; seta hardly perceptible;annulus large; peristome double. On PLATE LXXWI. Forsstrrrmia Irichomilria (From Sulliv Iconts) 392 MOSSES WITH HAND-LENS AND MICROSCOPE Family 25. Neckeraceae Mostly growing on rocks and trees. Primary stems creeping and defoliate;secondary stems erect, horizontal, or pendent, irregularly to pinnately branching; leaves large, ovate-lanceo-late to Ungulate or cultri-form, acute, obtuse orapiculate, ecostate or witha slender costa; leaf cellsnot papillose, short, rhom-bic to linear, quadrate toroundish on the smooth or hairy;capsule erect and symmet-ric, immersed or emergent,rarely with seta longerthan perichaetium; per-istome single or double. KEY TO GENERA Leaves cultriform, cos- tate in our species . ecostate . . ^eckoa. HOMALIA (Brid.)B. &S. Leaves costate andcapsule long-exserted. Schimp. \eryloosely tufted, often strag-gling, shining yellow-green;brauc
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