. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. Figure 161. D. re-volveiu Cross section of Basal leaf cells. • Leaves. 2-iocm long, rather ^J^iCpCJf^distantly and irreg- ^ ^ branched orsometimes pinnate;leaves rather close,regularly falcate to cir-cinate, hooked at theend of stems andbranches, strongly pli-cate with numerousfolds whether wet or dry, narrowly elongated-lanceolate, gradually tapering to thevery long and slender acumen, usually more strongly denticulate above than
. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. Figure 161. D. re-volveiu Cross section of Basal leaf cells. • Leaves. 2-iocm long, rather ^J^iCpCJf^distantly and irreg- ^ ^ branched orsometimes pinnate;leaves rather close,regularly falcate to cir-cinate, hooked at theend of stems andbranches, strongly pli-cate with numerousfolds whether wet or dry, narrowly elongated-lanceolate, gradually tapering to thevery long and slender acumen, usually more strongly denticulate above than is indi-cated in Plate LXXII (rarely some leaves of a plant are entire) ; costa extend-ing well into the acumen; cells of leaf very long and narrow; basal shorter,often colored; alar varying greatly; somewhat decurrent and enlarged, oftenwith the lower row more abruptly enlarged and differentiated than is shown inPlate LXXII; perichaetial leaves long, erect and sheathing: autoicous; sporesmature from spring to summer. PJasily recognized with a hand-lens by meansof the italicized characters. Var. plumulosus (B. & S.
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Keywords: ., bookcentury1900, bookdecade1900, bookidmosseswithha, bookyear1903
