100 



Leaves blackish, capsule oblong, 



8. H. clenticulata, Hook./, and Wils. Stems sub-erect, 



sparingly branched, lin. high. Branches compressed, 

 sub-incurved, rigid when dry. Leaves shining, pale 

 green when fresh, opaque black, crisped and fragile 

 when dry, loosely sub-4-fariously imbricate, lateral 

 distichous, oblong, ovate or obovate, obtuse or sub- 

 acute, margin toothed, not thickened ; dorsal orbicular ;. 

 nerve short, vanishing, 2-fid, cells large, hexagonal ; 

 perichsetial small, ovate. Pruitstalk fin. long, stout, 

 red. Capsule cernuous or pendulous, oblong, narrowed 

 at the base ; lid short, beaked. Calyptra glabrous, 

 coriaceous, not fimbriate at the base. Inflorescence 

 dioicous. Hook Handbook KZ. PI. 



Leaves brownish, capsule sub-pyriform. 



9. H, nigella, Hook. f. and Wils. Dioicous. Stems 



short, erect, incurved, sparingly branched. Leaves 

 lurid, shrinking when dry, rather remote, flattened, 

 spathulate, obovate, dentate, nerved to the middle ; 

 perichsetial rotundo-ovate, concave, forming a bulb ; 

 capsule sub-pyriform, pendulous; rostrate lid nearly as 

 long, calyptra sub-conical, naked. Teeth with two 

 rather rigid, red, dorsal ridges. 



10. H. obscurum, Mitten. Plants 2-3in. in width, 



sparingly branched ; leaves 3 lines long, distichous, 

 compressed ; lateral spreading, wide clliptic-spathu - 

 late, narrowed towards the base ; intermedial spread- 

 ing, sub-trapezoidal, obtuse; nerved to the middle, 

 nerve bifurcate, upper margins crenulate-serrate. Cells 

 of the upper part aix>m. in diameter. Whole plant 

 obscure, blackish-green. Cheshunt. 



67. DALTONIA, Hookek, and Taylor. 



Named in honour of the Rev. James Dalton, a cryptogamic 



botanist. Key No. 82. On moist, shady rocks,_ and on the 



stems and branches of trees in mountainous districts. 



1. D. pusilla, Hook. /. and Wils. Monoicous. Stem 



short, decumbent, nearly simple. Leaves spreading, 



more or less secund, loosely crisp when dry, narrow 



lanceolate, acuminate, quite entire, margined, nerve 



vanishing. Pruitstalk short, slender, slightly rough 



at apex. Capsule inclined, oblong, base attenuate. 



Teeth and cilia very long, very narrow, papillate. 



Stem 2 lines long. Seta 2 lines long. Peristome half 



as long as the capsule, or more, widely spreading and 



recurved when wet. Teeth reddish-brown, distantly 



trabeculate. Calyptra fringed at the base. Near 



Springs, Mt. Wellington. 



