764 374, Hypnum. 14. MUSCLE. Pl. cell. fol. 
n. Stem and leaves not flat ; leaves facing one way, \-ribbed. 
49. Hypnum filicinum. Fern feather-moss. 
Stem rather pinnate; leaves, especially the upper, sickle- 
like, facing one way, broad, ovate, pointed, serrated, main- 
rib reaching to the tip; eapeul oblong, ovate, bent, ‘droop- 
ing; lid conical. 
Hy pnum repens filicinum crispum, Rei Syn. 85, 32. 
Hypnum filicinum, Lin. S. P. 1590; Engl, Bot. "1570. 
Hypnum dubium, Engl. Bot. 2126. 
Hypnum fallax, Bridel Musc. 3,2; Engl. Bot. 
On bogs and the side of streams. 
50. Hypnum atrovirens. Dark-green feather-moss. 
Stem variously branched, lying down; leaves slightly 
facing one way, broad, ovate; tip narrow, blunt; main rib 
ranning nearly to the tip; capsule oyate, drooping; lid 
conical, 
Hypnum atrovirens, Dickson Crypt. 2,10; Engl, Bot. 2422. 
Hypnum filamentosum, Dickson Crypt. 2, CaF 
Hypnum attenuatum, Dickson Crypt.2,13; Engl. Bot. 2420. 
Leskea incurvata, Hedw. S. Musc. 52. 
On mountain rocks and trees. 
51. Hypnum palustre. Marsh feather-moss. 
Leaves facing one way, ovate, rather pointed, concave, 
uncut, edges turned in above; main rib short, often forked, 
sometimes faint; capsule oblong, ovate, drooping; lid 
conical, 
Hypuum heterophyllum aquaticuin polycephalum repens, Dillen, Muse. 
293. 
Hypnum palustre, Lin. S. P. 1593; Engl. Bot. 1665. 
Hypoum Joridum, Hedw. S. Musc. 291. 
Hypnum fluviatile, Turner M. Hib. 192; Engl. Bot. 1303, not of Hed- 
wig. 
Hypnum adnatum, Turner M. Hib. 165; Engl. Bot. 2406, not of Hed- 
wig. 
On wet rocks, and banks of rivers and of pools. 
52. Hypnum aduncum. Crooked feather-moss. 
Leaves sicklelike, facing one way, lanceolate, awlshape, 
concave or almost semicylindrical, uncut; main rib not 
reaching the tip; capsule oblong, ovate,. bent, drooping ; 
lid conical. 
Hypnum palustre erectum, summitatibus erectis, Rati Syn. 80, 15. 
Hypnum aduncun, Lin. S. P. 1592. 
Hypnum revyolvens, Swartz M. Suec. 58; Engl. Bot, 2073. 
On bogs. 
