. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. V,oval, small, urn about -,mm long; seta and capsule dark red, seta twisted to the left;operculum short-rostrate to apiculate; spores maturing in summer. Not infre-quent on bare moist earth, especially on clayey soil. The seta of D. heleronialla and its varieties is twisted to the left and some-times becomes very dark, so that forms of var. Fitzgeraldii may be mistaken forD. rufescens unless one has specimens for comparison. But rufescens is verymuch smaller and more
. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. V,oval, small, urn about -,mm long; seta and capsule dark red, seta twisted to the left;operculum short-rostrate to apiculate; spores maturing in summer. Not infre-quent on bare moist earth, especially on clayey soil. The seta of D. heleronialla and its varieties is twisted to the left and some-times becomes very dark, so that forms of var. Fitzgeraldii may be mistaken forD. rufescens unless one has specimens for comparison. But rufescens is verymuch smaller and more slender, and the leaf-cells are so large and pellucid asto strike ones attention at once. D. varia (Hedw.) Schimp. is a somewhat similar species with a similar habit,but rather less frequent. It is larger, bright or yellowish green, not reddish,with short, usually branching stems; the leaves are entire with margitis narionly EXPLANATION OF PLATE XIL Dicranetta rufescens (From Bry. Eiir.)I and 2. Plants natural size. Figs. 4 and 4//. Antlieridial plants. Figs. 8 and 9. Perigonial leavesFiiTs. 10 and 11. Perichatial ni/cscens. PLATE \II
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