649 
MUSCI. (MOSSES.) 
regularly serrate, the nerve extending nearly to the apex; apophysis 
very large, red, umbrella-shaped, 7-10 times as wide as the minute 
capsule; pedicel 3'-5* long. — Maine, Dr. Young. 
3. S. angustiitum, L. Leaves oblong-lanceolate, produced 
into a long flexuous point, obsoletely or distinctly toothed ; apophysis 
oblong-obconic, rather wider than the capsule. — New England to New 
Jersey, and southward. 
Weissiacejs. 
12, WEIS SI A, Hedwig. Weissia. 
Calyptra cuculliform. Capsule terminal, regular. Peristome 
single, of 16 lanceolate entire erect and equidistant teeth. Lid 
beaked. Inflorescence monoecious : sterile fl. terminal, gemmi- 
form. (Named for Weiss, a German botanist.) 
1. W. COlltroVersa, Hedw. Leaves linear-lanceolate, the 
margins involute, crisped when dry; nerve strong, excurrent; capsule 
ovate-elliptical. — On the ground, very common : 6 ,; - 10 w high. 
2. %%'. calcarca, Hedw. Leaves erect, both in a wet and dry 
state, linear from a wide base, obtuse , the nerve very broad and thick; 
capsule top-shaped; lid convex-beaked. — Moist and shady limestone 
cliffs: 3"-5" high. 
3. W. recurvata, Hook. & Tayl. Leaves lance-awl-shaped, 
nerved to the point; capsule ovate ; pedicel curved when moist. — In 
similar situations with the last: 6"-9" high. 
4. W. Striata, Hook. & Tayl. Leaves linear, denticulate at 
the apex, crisped when dry; capsule ovate-top-shaped, grooved; lid 
beaked from a flat base. — Alleghany Mountains, in crevices of rocks, 
&c. : 7"-10" high. 
GltlMMIACEjE. 
13. GROIMIA, Ehrhart. Grimmia. 
Calyptra mitriform, lobed at base. Capsule terminal, regular. 
Peristome of 16 lanceolate teeth, entire or perforated, or 2-3-cleft 
at the apex. Inflorescence monoecious or dioecious: sterile fl. 
gemmiform, axillary. (Named for Grimm , a German botanist.) 
1. G. tricliophylla, Greville. Leaves linear-lanceolate, ta¬ 
pering into a long diaphanous point; capsule oval when dry,promt 
neatly ribbed, rather pendulous on the exserted curved pedicel; amiu us 
large ; lid conic-beaked. — On rocks, New England. 
a. <!. Pennsylvllliica, Scbw®gr. Leaves elongate -ance- 
olate, terminated by a long diaphanous point; capsti e ova , 
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