MUSCI. (.MOSSES.) G45 



cylindrical, slightly curved, short-necked ; pedicels 1-5 from the same peri- 

 chajth; male flower somewhat discoid. — Shaded woods, at the base of trees: 

 common. — Among the largest of the genus. (Eu.) 



9. B. Wallleaibragii, Schwsegr. Patches extensive, pale glaucous- 

 green; stems erect, or decumbent at the base, I'- 2' long; leaves sen-ate, the 

 lower ones ovate-acuminate, the uppermost lanceolate, serrate at the apex, with a 

 rather loose areolation ; capsule short-pyriform, pendulous, short-necked, when 

 dry wide-mouthed ; annulus none ; male flower somewhat discoid, conspicuous, 

 on a slender stem. — Springy and gravelly places; not uncommon: but the 

 fruit rare. (Eu.) 



10. B. aa'geHfeum, Linn. Patches silvery -white ; stems 4" -10" high, 

 divided; branches julaceous ; leaves very concave, entire, loosely areolated; the 

 lower distant, broadly ovate; the upper ovate-lanceolate, imbricating; capsule 

 abruptly pendulous, oval-oblong, deep purple when ripe. — On exposed ground, 

 roofs, pavements, &c: extremely common. — A small species. (Eu.) 



# * # Lectins mostly ovate ; the costa extending to the apex. (Dioxious.) 



11. B. pscudo-triquetrum, Schwrcgr. Patches large, deep green, 

 inclining to blackish or purplish; stems l'-3' high, radiculose; leaves ovate 

 and ovate-lanceolate, slightly bordered, the margins recurved, slightly serrulate 

 at the apex; capsule pendulous, oblong-pyrifonn, with a tapering neck. — Wet 

 rocks, in hilly districts, Southern Ohio. — Resembles B. bimum, but is more 

 robust, and with a different inflorescence. (Eu.) 



12. B. tm'lmautism, Hedw. Patches pale green, sometimes with a 

 reddish tinge ; stems l'-2' long ; leaves ovate-aeuminate and oblong-lanceolate, 

 subdecurrent, slightly recurved on the margins, the marginal cellules long and 

 narrow ; capsule ventricose-pyriform, very much constricted under the mouth 

 when dry. — Wet rocks, below Niagara Falls, (Eu.) 



13. B. I>livalia, Voit. Distinguished from the preceding (some forms 

 of which it much resembles) by its more slender stems; its remote, spreading, 

 very much decurrent, less elongated leaves, of a looser areolation and with plane 

 margins; capsule less constricted under the mouth when dry. — Mountains of 

 New England, Oahes. (Eu.) 



14. B. alpiiltlHl, L. Tufts dense, deep red, shining; stems (£'-2' high) 

 stiff; leaves lanceolate, nearly erect, closely imbricating, straight, recurved 

 on the margins ; costa strong, rigid ; capsule oblong-pyriform, pendulous, 

 deep red. — Alpine region of the White Mountains, New Hampshire, Oakes. 

 (Eu.) 



* * * * Leaves ovate ; the costa excurrent. 



•t- Inflorescence hermaphrodite. 



15. B. Cermmitt, Hedw. Closely caespitose; stems branched, radicu- 

 lose ; leaves ovate-acuminate, concave, with recurved margins ; capsule pendu- 

 lous, oblong-pyriform, the mouth and operculum very small ; inner peristome 

 imperfect, adherent to the teeth. — Wet woods, Northern Ohio. (Eu.) 



16. B. Milium, Schreb. Stems l'-2' long, matted by the purplish 

 radicels ; leaves above yellowish or lurid-green, below reddist -brown, ovate- 



