PLATE XXXVII. 

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



FIGS. 



a-g Bryum treleasei. 



a. Entire plant, natural size. 

 , b. Leaves ( X I 3)- 



c. c. Transverse section of a leaf ( X 



d. Basal areolation of the same ( X I 35)- 



e. Marginal areolation in the lower part ( X I 35) 

 , f. Areolation of the apex ( X J 35)- 



1, g: Young capsule, in moist state ( X I 3)- 



2, a-h. Bryum agattuense. 



2, a. Entire plant, natural size. 

 2, b, b. Stem-leaves ( X J 3)- 

 2, c. Branch-leaf ( X I 3)- 

 2, d. Basal areolation ( X J 35)- 

 2, e. Areolation in the middle ( X J 35)- 

 2,f. Areolation of the apex ( X 135)- 

 2, g. Capsule unripe, in dry state (X J 3)- 

 2, Jt. Capsule ripe, in moist state ( X I 3)- 

 [362] (322) 



