250 American Midland Naturalist Monograph No. 6 



late; peristome normally hypnoid, cilia well developed; annulus present; spores 

 mature in summer. 



In moist places in meadows and swamps and said to prefer sandy soils; 

 Europe, Asia, and from Arctic North America south to New Jersey, Virginia, 

 and Pennsylvania. 



Rare in our region. Allegheny Co.: Schenley Park, Pittsburgh, August 26 1906. 

 O.E.J. (?). Crawford Co.: Near Linesville in the Pytnatuning Swamp, May 10-11, 

 1906. O.E.J, (figured). Erie Co.: On soil among cattails in swamp, Presque Isle, 

 Nelle Ammons. July 18, 1933. McKean Co.: Wildcat Hollow, Marvin Creek. On 

 twig in stream. C.M.B. Sept. 1, 1935. 



4. Campylium stellatum [Schreber] Lange and C. Jensen 



{Hypnum stellatum Schreber; Chrysohypnum stellatum Loeske; 

 Amblystegium stellatum Lindberg) 



Plate XLVI 



Robust, densely tufted, soft, lustrous, bright to golden green: stems stout, 

 usually ascending, up to 8 or 10 cm long, irregularly divided, the branchlets 

 sub-pinnate and more or less crowded and erect; leaves close, from 1-3 mm 

 long, from a widely squarrose to an erect-spreading and more or less cordate 

 base narrowed, often rather abruptly, to a gradually long-acuminate, acute, 

 ascending or usually squarrosely spreading acumen, the base entire or some- 

 times slightly denticulate, slightly excavate and with rounded and subdecur- 

 rent auricles, the upper part of the leaf more or less channeled; costa none or 

 very short, either single, forked, or double, but usually appearing only as yel- 

 lowish or brownish striae; median leaf -cells narrowly linear, about 8-15:1, in 

 the older leaves rather incrassate and blunt at the ends, the basal often porose, 

 the alar somewhat enlarged, sub-rectangular, incrassate, sometimes rather 

 opaque usually more or less orange-pellucid, forming distinct, often somewhat 

 decurrent auricles: seta rather long, castaneous, up to 4.5 cm long, stout, dex- 

 trorse above, flexuous; capsule oblong-cylindric, about 3-4.5:1, arcuate, the urn 

 2-2.5 mm long, inclined to horizontal, sulcate and constricted below the mouth 

 when dry and empty, brownish; lid highly convex-acuminate; annulus 2-3- 

 seriate; peristome normally hypnoid, large, the teeth trabeculate, confluent at 

 base, the lower part orange-colored and dorsally cross-striolate, the lamellae 

 and divisural distinct, the upper part paler and papillose; segments somewhat 

 shorter and slightly carinately split; cilia 2 (or 3), nodose, about as long as 

 the segments; spores mature in spring (?) or summer, minutely papillose, 

 rather thin-walled, pale yellowish, .011-.014 mm. 



On wet banks and tufts in cool swamps and bogs. Europe, Asia, and 

 from Arctic America southwards to Pennsylvania and Ohio; and the West. 



BuTi.ER Co.: West Liberty Bog. O.E.J. June 28, 1941. Erie Co.: Presque Isle. 

 O.E.J. May 8-9, 1906. Lawrence Co.: Frew Mill Road, m patch of Gentiana crinita, 

 Sept. 18, 1948; and also on wall of old Van Port limestone quarry Yl f"'- ^- o^ New 

 Castle, Nov. 26, 1948. C.M.B. The Presque Isle specimen was figured. 



