95 



Doubly serrate. 



3. R, bifarium, Schimper. Dioicous. Stems branched 



above ; leaves distant, distichous, spreading, ovate- 

 lanceolate, slightly thickened at the margin ; nerve 

 solid, doubly spinulose-serrate ; capsule ovoid, hori- 

 zontal ; lid conico-acuminate, sub-rostellate. Hypnum 

 bifarium, Hook. Isotheciun bifarium, Bridel. Bearing- 

 fruit midway, not at the base. Branches few, slender, 

 curved to one side. Bachis zig-zag. Leaves dull 

 green. Setse |in. long ; capsule small, roundish. 



4. R. aristatum, Mitt. Cat. No description available. 



B. Leaves not distichous. 

 Leaves pellucid. 



5. R. pellucidum (B. reticulatum, Mitt. Sth. A.M.), Hook. 



/: and Wins. Branches lin. high ; leaves compressed, 

 green, pellucid, unchanged when dry, laterally spread- 

 ing, elongate-lanceolate, slenderly acuminate, nerve 

 percurrent, apices serrulate, cells elliptic-oblong, lax, 

 pellucid, perichastial narrow. 



Leaves linear-subulate. 



6. R. spiniforme, Hedwg. Monoicous. Leaves loosely 



imbricate, spreading, rigid, linear-subulate, margin 

 thickened, nerve excurrent, doubly serrate. Bruit- 

 stalk elongate from, the base; capsule oblong, hori- 

 zontal, curved ; lid rostrate. Hypnum spiniforme, 

 Linn. Mt. Wellington. 



Leares linear-lanceolate. 



7. R. sub-basilare, Schimper. Monoicous. Branches 



erect. Leaves erecto-patent, sub-secund, not com- 

 pressed, lax, linear-lanceolate, pellucid, nerve vanish- 

 ing, spinulose serrate, rarely double serrate ; fruitstalk 

 long, sub-basilar ; capsule sub-cylindric, horizontal, lid 

 conical. Hypnum sub-basilare, Hook. M.E. H. mnioides, 

 Schwaegr. Mt. Wellington. 



Leaves twisted when dry. 



•8. R. mnioides {Hypnum, Bridel.) Dioicous. Leaves 

 erecto-patent, lanceolate-subulate, decurrent at the 

 base, twisted when dry, margin narrowly thickened, 

 doubly dentate, nerve solid ; fruitstalk long from the 

 base ; capsule ovoid, sub-cernuous ; lid rostrate. 

 Hypnum mnioides, Hook. M.E. H. sub-basilare, 

 Schwaagr. Var. /3. contortum, stem more slender, 

 leaves shorter, twisted when dry, margin involute, 

 perichaetial long, linear, acuminate. Mt. Wellington. 

 Var. y- lutesceus, stems lower, leaves lanceolate, 

 crisped, areolation larger. Western Mountains. 



