PLATE XXXI. a, M. punctatum XL b, Capsule and operculum X 

 10. c, Leaf X 4- d, Var. datum XL e, Leaf of var. elatum X 4- f> 

 Leaf of M. spinulosum X 20. g and h, Apex and margin of same X 40. 

 o, Leaf of M. hornum X 10. p, Apex of the same X 40. 



