30 CRYPTOGAMIA MUSCI. 



18. H. confertum, matted; branches numerous, short; leaves 

 erecto-patent, lanceolate, acute, nerved more than hall' way up ; 

 fruitstalks smooth ; capsule ovate, cernuous ; lid rostrate. 



Hob. On the trunks of old trees in deans. Winter. 



19. //. ruscifolium, matted, variously branched ; leaves patent, 

 heart-shaped, acute, concave, the nerve reaching nearly to the 

 point; fruitstalks smooth; capsule ovate, cernuous; lid with a 

 subulate curved point. 



Hdb. In rivers and rivulets abundant, covering stones and 

 the front of little cascades with a dark green matting. 

 Winter. 



20. H. curvatum, stems irregularly branched ; branches nume- 

 rous, curved ; leaves ovate-lanceolate, concave, serrated only at the 

 points, the nerve disappearing beyond the middle ; fruitstalks 

 about 1 inch ; capsule ovate, erect ; lid subulate. 



Hab. Woods and mossy banks, frequent. Winter. 



The curvature of the branches is a character of this and the 

 following species, in general little obvious, and sometimes 

 not to be observed. 



21. H. myosuroides, stems irregularly branched ; branches fasci- 

 cled, curved ; leaves lanceokte, acute, the nerve disappearing near 

 the middle ; capsule ovate, erect ; lid conical, mucronulate. 



Hab. Trunks of trees and rocks in woods. Winter. 



A small and neat species, growing in compact tufts. The 

 stems are erect ; the branches crowded, numerous, and 

 slender. The fruitstalks arise from the upper side, and are 

 rather more than ^ inch in height. The capsule is gene- 

 rally inclined, but not cernuous. 



22. H. alopecurum, stem bare below, dendroidal ; leaves rather 

 patent, ovate, acute, serrated towards the point, 1 -nerved; " fruit- 

 stalks not an inch ; capsule ovate, cernuous ; lid rostrate." 



Hab. Woods and shaded banks, not in fruit. 



23. H. dendroides, stem bare below, dendroidal ; leaves lanceo- 

 late, concave, serrated at the point, 1 -nerved, and striate ; fruit- 

 stalks 1 inch ; capsule erect, elliptical ; lid conical, acuminate. 



Hab. Mossy banks on a turfy soil, common, but very rare 

 in fruit. 



