22 
MUSCI APPALACHIAN!. 
115. Didymodon? diversifolius, Austin. 
Dense ca^spitosus, lurido vel fuscescente viridis ; canle 
subunciali (iracili ; foliis patenti-recurvis' obtusis vel 
nonnullo acutiuscniis canalici^latis fere ad apicein 
costatis subpapillosis subiiiiiformi-areolatis, maroini- 
bus integerrimis recurvis longissime decurrentibus : 
fl. masc. et fructu ignotis. 
IIab. On sliite rocks, in a ravine, near Newville, Tlerkimer County, 
Jsew York (18G8). About Niagara Falls, 5. T. OInei/. 
116. Ceratodon purpui'eus. 
Bnd. — Bryol. Europ. II. t. 189, 100. 
Hab. Oq the ground, very common. 
117. Ceratodon purpureus. 
Var. aristatus. Foliis angustioribus costa loiige ex- 
cedente instructis ; capsnla pedicelloque pallidiori- 
bus : forsan species propria. 
Hab. In the sandy barrens of New Jersey. 
118. Trichostomum tortile. 
Schrad. — Bnjol. Europ. II. t. 179. 
Hab. Roadsides, frequent. 
119. Trichostomum lineare. 
(Swartz). — Didymodon linearis, Stvartz Adnot. Bot. 
p. 100 (1829). — Trichostomum vaginans, SuUiv. 
Muse. Alleghan. (1846) ; Icon. 3Iusc. p. 43, t. 28 
(1864). 
Hab. Roadsides, &c., New Jersey and Southern New York, common. 
120. Trichostomum pallidum. 
Hediv. — Bri/ol. Europ. II. t. 183. 
Had. On the ground, very common. 
