. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. lly reclining at base; by reasonof this and the abundant branching sometimestaken for a pleurocarpous moss. Leaves ovate-lanceolate, long acuminate, appressed when dry,and usually with one or two plicae on each sideof the costa near the base; margins serrateabove, usually revolute below; leaf cells rectan-gular to hexagono-rectangular, with papilla onthe end walls; costa percurrent or of antheridial stems much shorteracuminate, as shown on the stem in
. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. lly reclining at base; by reasonof this and the abundant branching sometimestaken for a pleurocarpous moss. Leaves ovate-lanceolate, long acuminate, appressed when dry,and usually with one or two plicae on each sideof the costa near the base; margins serrateabove, usually revolute below; leaf cells rectan-gular to hexagono-rectangular, with papilla onthe end walls; costa percurrent or of antheridial stems much shorteracuminate, as shown on the stem in Fig. 103-Many of the leaves are much longer and moreslenderly acuminate than the separate stemleaf figured. The perigonial leaves arc spreading, broadly triangu/ar-ovate, theinner often obtuse and rounded al apex, serrate, with costa ending belowapex. Capsules maturing in May or June; ci/ia of Inner peristome nearly as longas segments. Common everywhere, but fruiting rather sparingly. The whorledbranching and characteristic perigonial leaves render the determination ofsterile specimens possible without much extra Figure 105. Philnniitis fontana Xleaf, capsule, ami male head X 10.
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