Moore — On the Mosses oj Ireland. 
453 
Tribe 15. Skitophtlle^. 
71. FissiDENS. Hedw. 
Calyptra conic or conically attenuated. Capsule pedicellated, ter- 
minal or lateral, oval or oblong, erect or cernuous ; lid conic- 
rostellate. Peristome single, of 16 subulate, geniculate, inflexed, 
teeth, cloven half way, as in Dicranum. Leaves distichously 
equitant, the upper part expanded into a dorsal wing, forming a 
vertical scalpelliform blade, usually thickened at the border ; areo- 
lation dense, cellules roundish-hexagonal, and filled with chloro- 
phyll. 
Diagnosis of Species, 
a. Pruit lateral. 
Inflorescence monoicous. 
Stems from 1 to 4 inches long, tufted, 
sparingly branched ; leaves ovate, slightly 
convolute, pointed, not margined ; nerve 
reaching nearly to the point, 
Stems short ; leaves with a thick nerve, 
irregularly toothed to the apex; fruit 
lateral or sub -basilar, . . , . 
Dioicous. 
Stems from one-fourth to nearly I inch long ; 
leaves sheathing, slightly crenulate, lan- 
ceolate, apiculate, .... 
Stems very short ; leaves bordered, entire, 
spreading, undulated when dry, ellipti- 
cal, apiculate, ..... 
aa. Emit terminal. 
Stems very short, simple ; leaves obliquely 
lanceolate, oblong, apiculate, denticu- 
late, not bordered, .... 
Stems simple, short ; leaves lanceolate, bor- 
dered, entire, . . • • 
Stems short, varying from one-fourth to 
nearly 1 inch long ; leaves broadly lan- 
ceolate, with a distinct cartilaginous 
border ; barren flowers axillary, 
1. E. ADIANTOIDES. 
2. E. DECIPIENS. 
3. E. TAXIFOLirS. 
4. E. TAMAEIKDIEOLIUS, 
5. E. EXILIS. 
6. E. VIEIDULXJ?. 
7. E. BEYOIDES, 
