MUSCI. (MOSSES.) (55) 655 
so attenuated, nor the areolation so linear; capsule - aaah its length only 
23 times its diameter, and with a pericheetial branch much longer; teeth of the 
3-5, large, projecting beyond the perigonial leaves, with long paraphyses. — 
Falls of Little River, Lookout Mountains, Alabama, Lesquereux. — Fruit rare. 
6. F. Dalecarlica, Bryol. Europ. Slender and much divided ; branch- 
squamosa, Drum. Musc. Amer., No. 233; Musc . Alleghan., No. 188.) — 
Mountains, Oakes, James; Fulton County, New Yotk, D. E. Eaton. (Eu.) 
60. DICHELYMA, Myrin. Broox-Moss. (Tab. IV.) 
Calyptra dimidiate or cuculliform, entire at the base. um conic- 
trate. ule oval or oblong, pedicellate. Peristome double; the exterior 16 
linear oni perforated along the medial line; the interior 16 cilia ees than 
the teeth, and more or less connected by cross-bars. Inflorescence dicecious. — 
Stems ak floating in water, sparingly divided and branched; neues 3- 
elongated, with a percurrent costa, those of the pericheth very 
cons lois age ecostate. (Name from — to divide, and €Avpa, a veil, in 
allusion to the cleft or cuculliform calyptra 
1. D. faleatum, Myrin. Leaves lanceolate-subulate, complicate-cari- 
nate, falcate-secund ; the inner PPE RS leaves tie roe ees: closely 
wrapped around the lowe r half of the long pedicel; ca g; inner 
cupiianedias “ey sees caus few, widely spre ading ; 
leaves aie or deaminase ts ubulate from a narrow lanceolate base by the 
und-falcate, denticulate at the apex; those of the peri- 
cheeth ‘ceurvointe; oneetonlig the oval capsule which emerges laterally ; calyp- 
tra d 
imidiate, extending below the capsule, and spirally convolute; cilia of the 
inner peristome connected at their apices only. — Rivulets, Pe eunsylvanis and 
northward. (Tab. IV.) (Eu.) 
3. D. palléscens, Bryol. Europ. Much like No. 2, but smaller; leaves 
: ; ‘i 
(D. m. Amer., No. 234. ritish America, Drummond. 
4. D. su onearree Rr recone Stems elongated, subpinnate; branches 
short, widely sprea patent, lanceolate, complicate-carinate, 
ta, g at the enitioiatat apex; capsule cee ie short-pedicelled, con- 
scene ae ——— calyptra cuculliform, not 
ding bel tell 5: elias 0 thesia r peristome 
wpLCL VDOLOW 
fii; except at their apices. — Louisiana, Draminond. 
