. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. 352 MOSSES WITH HAND-LENS AND MICROSCOPE autumn or early winter. One of our commonest Hypnums, growing almostexclusively on rotten wood with us, abundant from Canada to Florida in moistshady places. Often confused with the next, with forms of which it appears to. Figure 185. Hypniim impnnens Leaf, leaf structure and parapliyllla (From Bry. Eur.).See also Figs. 1S4 and 186. intergrade, but the area of auricular cells is much smaller in this species andthe extreme alar
. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. 352 MOSSES WITH HAND-LENS AND MICROSCOPE autumn or early winter. One of our commonest Hypnums, growing almostexclusively on rotten wood with us, abundant from Canada to Florida in moistshady places. Often confused with the next, with forms of which it appears to. Figure 185. Hypniim impnnens Leaf, leaf structure and parapliyllla (From Bry. Eur.).See also Figs. 1S4 and 186. intergrade, but the area of auricular cells is much smaller in this species andthe extreme alar cells more inflated, this taken with the italicised charactersmakes ordinary forms easy to distinguish. H. cupressiforme L. Closely related to the last but typically easily dis-tinguished; very variable, especially in size, and in some varieties likely to beconfused. ParaphyUia fewer and narrower; stems greenish, less regularly pinnate,less rigid and stouter in appearance; stem leaves entire, or serrulate above only,narrower, slightly decurrent, plane at margins or nearly so, area of subquadratealar cells much larger, granular and as a rule not distinct as figured unless cleared,little inflated at extreme angles, but a few cells are larger and clearer, leaf basesusually not colored except at the angles: dioicous; perichaetial leaves not plicate;spores in late autumn or early winte
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