646 MUSCI. (MOSSES.) 



lanceolate, spreading, subdecurrent, somewhat margined, slightly serrated at the 

 apex ; capsule pendulous, oblong-pyriform, mouth and operculum rather large ; 

 inner peristome perfect. About the roots of trees, on the borders of swamps ; 

 Ohio. (Tab. 18.) (Eu.) 



17. B. intermedium, Ei-id. Densely csespitose ; stems short (3" -6" 

 high); leaves ovate-acuminate and ovate-lanceolate, imbricated, erect, their 

 margins reflexed, the excurrent portion of the costa sometimes denticulate ; cap- 

 sule somewhat pendulous, oblong-pyriform ; inner peristome perfect. Crevices 

 of shaded limestone cliffs, Ohio ; and on brick walls, near the Santee Canal, 

 South Carolina. (Eu.) 



18. B. torquesrens, Br. & Sch. Much like the last ; but distinguished 

 by its leaves contorted when dry, and its larger, clavate-obconic, somewhat 

 pendulous capsule, usually incurved. Texas, Wright. (Eu.) 



- *- In florescence dioecious : male flower gemmiform, terminal. 



19. B. capillare, Hedw. Stems 4'-l long, rather closely tufted; 

 leaves strongly contorted when dry, narrowly margined, the lower ovate-oblong, 

 apiculate ; the upper obovate-oblong with slender points ; capsule rather pen- 

 dulous, variable, oval-pyriform, oblong-clavate, or short-obovate ; operculum 

 red. On rocks, road-sides, mountains of Pennsylvania, Lesquereux: rare. A 

 variable species. (Eu.) 



20. B. caespitieinm, L. Tufts compact; stems y-\' long; leaves 

 straight when dry, ovate-acuminate and ovate-lanceolate, the margins reflexed ; 

 capsule usually oblong-obovate or pyriform, pendulous ; operculum yellow. 

 On the ground, rocks, &c., in dry places : frequent. (Eu.) 



21. B. atropurpureum, Web. & Mohr. Smaller than the last ; stems 

 densely crowded ; leaves ovate-acute and ovate-lanceolate, erect-patent, concave, 

 reflexed on the margins ; capsule pendulous, dark purple, oval-oblong, not pyri- 

 form, the neck abruptly passing into the pedicel; operculum wider than the 

 mouth of the capsule. Sandy soil, among the Lookout Mountains, Alabama, 

 Lesquereux. (Eu.) 



22. B. sanglimeuni, Ludwig. Distinguished from the last species, 

 which it much resembles, by its leaves more elongated, longer-cuspidate, plane 

 on the margins, and serrate at the apex ; capsule deep blood-red, oblong-pyri- 

 form, the neck gradually tapering into the pedicel ; the operculum more point- 

 ed. With No. 21. (Eu.) 



-*-- Inflorescence monoecious : male flower gemmiform, terminal on proper branches. 



23. B. llliginosiim, Br. & Sch. Caspitose; stems short (3" -7" high), 

 radiculose ; leaves oval-lanceolate, the margins plane above and with narrow cel- 

 lules ; capsule pendulous, clavate, not pyriform, irregular, gibbous on the back 

 near the small oblique mouth ; cilia of the inner peristome wanting or rudimen- 

 tary. Wet woods, Northern Ohio, Lesquereux. Foliage green. (Eu.) 



24. B. pallescens, Schwaegr. Stems l'-2' high, compactly tufted; 

 leaves ovate-lanceolate, the margins reflexed ; capsule oblong-pyriform, sym- 

 metrical,pendulous ; cilia of the inner peristome present and appendiculate. 

 Central Ohio : very rare. Lower leaves with a reddish tint. (Eu.) 



