musci. (mosses.) 651 
gemmiform. (Dedicated to the distinguished cryptogamist, Prof. 
Hedwig.) 
1. If. Ciliata, Hedw. Leaves spreading, sometimes one-sid¬ 
ed, ovate-lanceolate, the apex diaphanous and eroded-denticulate ; the 
perich. leaves ciliate; calyptra minute, smootii or hairy. (Ancectdn- 
gium ciliatum, Auct .) — Rocks and boulders, very common. Stems 
V -A 1 long, forming large glaucous-green patches. 
Encalypte^:. 
16. ENCALYPTA, Schreber. Encalypta. 
Calyptra large, loose, cylindrical-bell-shaped, longer than the 
terminal capsule. Peristome single, of 16 teeth. Lid with a fili¬ 
form and slightly club-shaped beak. Inflorescence monoecious, 
rarely dioecious : ster. fl. gemmiform, axillary or terminal. (Name 
composed of iv, within , and Kakvirryp, a cover ; the capsule veiled 
by the large calyptra.) 
L E* ciliata, Hedw. Stems branched ; leaves erect-spread¬ 
ing, oblong, short-pointed by the percurrent nerve; capsule smooth, 
not annulate; calyptra fringed at the base. — Rocks, N. New York. 
Orthotricacex. 
17. ORTHOTRICHrjfl, Hedwig. Orthotrichum. 
Calyptra bell-shaped, plaited, usually hairy. Capsule terminal. 
Peristome double or single ; the outer of 16 teeth approaching in 
pairs, when dry reflexed; the inner of 16 or 8 horizontal cilia 
(sometimes wanting). Operculum elongated-conic. Inflorescence 
monoecious or dioecious: ster. fl. gemmiform, axillary. (Name 
composed of opOos, straight , and 0pt£, hair ; of which the calyp¬ 
tra is apparently made.) 
1. O. crispiim, Hedw. Leaves spreadings linear-lanceolate, 
when dry very much crisped; capsule elongated club-shaped, grooved ; 
calyptra very hairy. —Trees in mountainous districts. 
2. O. Haitcllhlisue, Hook. & Tnyl. Leaves lanceolate , erevt, 
when dry oppressed to the stem ; capsule exserted, grooved ; calyptra 
hairy. — Grows on rocks; by which and by the blackish-green foli¬ 
age it is easily identified. 
3. O. LtldWigii, Schwcegr. Leaves erect-spreading , lanceolate , 
pointed; capsule exserted, grooved only at the orifice ; inner peristome 
rudimentary ; calyptra hairy, laciniate at the base. On trees. The 
