767 
Pl.cell.fol. 14. MUSCI. 375. Bryum. 
XXXIII. 375. BRYUM. Theophrastus. Thread-moss . 
Capsule valveless, ped uncled ; peduncles terminal; peri- 
stome double ; the outer of 1 6 teeth ; the inner membra- 
naceous, segments 16, equal, sometimes with threads be- 
tween them ; calyptra halved. 
a. Capsule furrowed . 
1. Bryum androgynum. Androgynous thread-moss* 
Stem nearly simple ; leaves lanceolate, serrated, edges 
turned over ; capsule nearly upright, cylindrical, furrowed 
lid conical. 
Mniutn perangustis et brevibus foliis, Raii Syn. 78, 1. 
Mniura androgynum, Lin. S. P. 1574 ; Engl. Bot. 1238. 
Bryum androgynum, Hedw. S. Muse. 178. 
Gymnocephalus androgynus, Schwcegr, Supp. 2, 87. 
Cluster-headed golden locks . 
On banks, in woods. 
2. Bryum palustre. Marsh thread-moss.. 
Stem much branched; leaves lanceolate, blunt, uncut, 
edges rolled up ; capsule ovate, blunt, furrowed ; lid conical. 
Mnium raajus, ramis longioribus bifurcatis, Raii Syn. 78, 2. 
Mnium palustre, Lin. S. P. 1574. 
Bryum palustre, Roth Germ. 3,233; Engl. Bot. 391. 
On bogs. 
b. Capsule not furrowed ; outer teeth of the peristome shorter 
than the inner. 
3. Bryum trichodes . Hair-leaved thread-moss . 
Stem rather branched ; leaves linear, blunt, uncut, net- 
worked ; capsule reverse-ovate, bent back, slightly droop- 
ing; peduncles very short. 
Bryum trichodes aureum, capsulis incurvis obtusis in setis longis, Dil- 
len . Muse. 389. 
Bryum trichodes, Lin. S. P. 1585 ; Eng. Bot. 1517. 
Meesia uliginosa, Hedw. S. Muse. 173. 
Mnium uliginosum. Withering Arr. 800. 
Mnium trichodes, Hoffm. Germ. 2,47. 
On mountain bogs. 
4. Bryum triquetrum. Three-cornered thread-moss. 
Stem long, branched; leaves lanceolate, keeled, pointed, 
serrated, networked; capsule pearshape, slightly drooping; 
peduncles very long. 
