EXPLANATION OF TEE PLATES. 145 



Jjeaves. Oblong-lanceolate, apex toothed. 



Moivers and Fruit. Barren, flower round, seta long, capsule oval. Summer. 



Locality. Peaty marshes. Common. 



Fig. 4. Aulacomnion andeogynum. 



Bud-headed Thread Moss {a) . 



Colour. Emerald green. 



Stems. Short, yery little branched. 



Leaves (b) . Oblong-lanceolate, much smaller than in. the last species. 



Flowers and Fruit. Barren flower, bud-like, at the end of the branch [terminal) ; 



capsule oblong, cernuous ; lid conical. Summer. 

 Locality. Woods and banks, never in marshes ; fruit very rare. ' 



ORTHODONTIUM. 



Fig. 5. Generic Chaeactbr. 



Small and slender, capsule inclined, neck taperiag, lid conical, calyptra small. 

 Peristome double, outer of sixteen teeth, inner a membrane in sixteen divisions, 

 when dry erect, when moist shrinking into the mouth of the capsule. 



Fig. 6. Oethodontium geacile. 



Slender Thread Moss {a) . 



Colour. Dark green. 



Stems. Short, branched tufted, bristle. 



Leaves (6) . Crowded, crisped when dry, thread-like. 



Floivers and Fruit. Monoicous, seta slender, curved, capsule inclined. Spring. 



Locality. Sandstone rocks in the north of England. 



LEPTOBRYUM. 



Fig. 7. Generic Chaeacter. 



Stems annual, in patches, very short ; capsule inclined, pear-shaped ; lid con- 

 vex ; peristome as Bryum. 



