76 BRYACE.E. [Dicranum. 



tary : capsule oblong or subcylindrical, incurved, striate, deeply 

 furrowed and constricted under the orifice when dry ; annulus 

 double. — Muse. Frond, ii. 82, t. 30 ; Bryol. Eur. t. 81 ; Braithw. 

 1. c. 151, t. 22, A. D.palUdimi^ Bruch &> Schimp. Bryol. Eur, 

 i. {Dicranum) 39. 



Var. condensatum. Stems short, densely tufted : leaves 

 shorter, bi'oader, rigid, very close, open when dry. — D. con- 

 densatum, Hedw. Spec. Muse. 139, t. 34, J), spicriicm, var., 

 Sulliv. & Lesq. Muse. Bor.-Am. Exsicc. n. 68''. 



Hab. Shaded sandy ground ; the variety in dry sandy places or hills, es- 

 pecially in southern districts ; not rare. 



22. D, Drummondi, Muell. Plants closely and widely 

 cespitose, bright green above ; stems robust : lower leaves 

 spreading or recurved, the upper secund or falcate, twisted at 

 the apex when dry, oblong, concave in the lower part, lanceo- 

 late-subulate, convolute or canaliculate, denticulate above ; costa 

 broad, vanishing with or below the aj^ex, denticulate or papil- 

 lose in the upper part ; cells of the areolation oval-oblong, very 

 small toward the apex, oblong or broadly linear in the middle, 

 abruptly much enlarged below, round-quadrate, reddish brown, 

 filling the whole tumescent subauriculate base : capsules aggre- 

 gated, short-pedicellate, cylindrical-oblong, incurved, slightly 

 inflated at base, deeply furrowed and constricted under the 

 orifice when dry ; teeth distantly articulate, s])lit to near the 

 base, regular; annulus large, simple. — Syn. Muse. i. 35G, in 

 part; Sulliv. Mosses of U. States, 23, and Icon. Muse. Suppl. 

 48, t. 33 ; Sulliv. & Lesq. Muse. Bor.-Am. Exsicc. (ed. 2), n. 88 ; 

 Lindb. Adnot. Bryol. in Bot. Notis. 1865, 78 and 79. 



Hab. Shade of pine woods, New Jersey; subalpine regions of New 

 York and New England ; eastern slope of the Rocky Mountains ; not rare. 



23. D. undulatum, Turn. Plants in loose wide disjointed 

 tufts ; stems thick, very tomentose : leaves spreading-subsquar- 

 rosc, the terminal involute or secund, pale green, oblong-ovate 

 toward the decurrent base, linear-lanceolate, very imdulate 

 above, sharply denticulate ; costa narrow, bilamellate on the 

 back and serrate ; areolation pale, loose, enlarged at base : fruits 

 clustered : capsule long-cylindrical, arcuate, obscurely striate ; 

 lid with a very long subulate beak ; annulus narrow. — Muse. 

 Hib. 59 ; Bryol. Eur. t. 82, 83. 



Hab. Shaded swampy ground; plains and mountains; common. 



