. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. eading, givingthe plants the appearance of /i. varium; stem leaves ovate to ovate-lanceolate,somewhat narrowed at the insertion, long and slenderly acuminate, entire, sinuo-late or serrulate, long; costa extending -.^-^ the length of the leaf;leaf cells strongly chlorophyllose, rhomboid-hexagonal, ^-6 :i, rectangular and hyalineor slightly colored at base but not forming auricles; branch leaves smaller and morenarrowly lanceolate; spores in summer. Common in s
. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. eading, givingthe plants the appearance of /i. varium; stem leaves ovate to ovate-lanceolate,somewhat narrowed at the insertion, long and slenderly acuminate, entire, sinuo-late or serrulate, long; costa extending -.^-^ the length of the leaf;leaf cells strongly chlorophyllose, rhomboid-hexagonal, ^-6 :i, rectangular and hyalineor slightly colored at base but not forming auricles; branch leaves smaller and morenarrowly lanceolate; spores in summer. Common in shaded marshy places. I have yet to see any plants with leaves as broadly cordate-ovate as are fig-ured in the Bryologia Europea ( ). A rather narrow-leaved form commonin swampy shaded places, on the Atlantic coast at least, has been referred toCampylium chrysophyllum and to C. radicale, from both of which it clearly differsin its non-decurrent, non-clasping leaf base. Similar F^uropean forms are referredto Kochii by the best authorities. It has also been referred to J. Juratzkanum MOSSES WITH HAND-LENS AND MKROSCOPE. and A. varium according tospecimens in my of J. varium, withcosta reaching scarcely be-yond the base of the acumina-tion, are found and are likelyto be referred to Kochii, butthe costa, even in such cases,is much stronger, the cellwalls thicker and the cellsthemselves rather smaller,especially at the basal marginand near it. A. varium ( Hedw.) in mats of varying den-sity, thin and loose to almostcespitose, younger portionslight green, darker below thesurface; stem leaves ratherclose together, loosely erect-spreading, averaging xo.^mni, reaching large plants, broadly ovateto ovate-lanceolate, narrowedat the insertion and some-what decurrent, rapidly nar-rowed to a long and com-paratively slender acumen,entire or nearly so, slightlyconcave but lying nearly Hatwhen removed entire; costastrong, tapering, reaching th
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