ADDITIONS AND CORRECTIONS. 
Page 12, 
8. Sphagnum sedoides, Brid.—The form mentioned under this species 
has Bi found by Mr. James, in Ethan Pond, Willey Mountain, New 
Hampshire. 
Page 19. 
ai Calpine viridis, pur & Lesqx. (Muse. Bor.-Amer., No. 72.) 
Closely cxspitose; stems ascending, mostly simple; leaves erect-pate ent 
¢@when tortuous), iecenliaa euomhc ¢ very fragile.—In woods, on nai ot 
logs, New England to Ohio.—A dark-green species, resembling Dicra 
interruptum, scat for its fragile leayes, which are seldom fo mae un-" 
broken. 
Page 24. 
8. Fissidens paves Sulliv.—Of this species, No. 39, Fissidens 
bryoides, and No, 40, Fissidens bryoides, var., of Drummond’s 2d Coll. of 
American Mosses, are probably large forms. "The bordering of its leaf is 
variable. 
sidens — (n. sp.). —Hermaphrodite; stems simple, in- 
aly copia ong; es 12-14, ps nism oblique. ae pa 
minate, bordered ae he the denticulate apex, the blade shorter than the 
duplicature, the dorsal wing vanishing above the base; costa continuous; cap- 
sule terminal, oval-oblong, erect; operculum rather long-rostrate.—San Mar- 
cos, Texas, Wright.—. A email apecion, distinct by its whitish-green leaves with 
a close areolation, regt apsule, and b phrodite inflor 
Page 31. 
2. Syrrhépodon oe et EP-). _ Stems shout Vv high, Apeiit 
ing from ee Pile ee canaliculate, surrounded pate 
near ae point by a narrow pellucid border of linear cellules ; areolation of 
