PLATE XXXVI. 

 [Proc. Wash. Acad. Sci., Vol. IV, PI. XIX.] 



Figs, i, a-f. Brytim ateleostomutn. 



I, a. Entire plant, natural size. 



I, b, b. Leaves ( X 13)- 



I, c. Apex of a leaf ( X 60). 



1, d. Basal areolation of the same ( X I3S)• 

 I, e. Marginal areolation, in the middle ( X 135)' 

 i,y. Capsule ripe, in dry state ( X I3)« 



2, a-g. Bryum heterogynum. 



2, a. Female plant, natural size. 



2, b. Male plant, natural size. 



2, c. Leaf of the female plant ( X 13)' 



2, d. Apex of the same ( X 60). 



2, e. Basal areolation ( X 135)' 



2,/ Cells in the middle ( X I35)- 



2, g. Young capsule in dry state ( X ^S)* 



3, a-g. Bryum laurentianum. 



3, a. Entire plant, natural size. 



3, bi b. Stem-leaves ( X26). 



3, y. Branch-leaf ( X26). 



3, c. Transverse section of a leaf ( X 60). 



3, d. Transverse section of the costa ( X 270). 



3, e. Basal areolation ( X I3S)- 



3,/i Marginal areolation in the middle ( X ^^35)' 



3,^. Areolation of the apex ( X 135) • 

 [360] (320) 



