PLATE XXI. 



Figs. I, a-g. Bryum harrimani. 



I, a. Entire plant, natural size. 



I, b, b. Lower leaves ( X 13)- 



1, c, c. Upper leaves ( X 13)- 



I, d. Basal areolation ( X I35)- 



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



\,f. Apex of a lower leaf ( X 135)- 



1, g. Apex of an upper leaf ( X 135)' 



2, a-l. Bariratniopsis Icscurii. 



2, a, a. Entire plant, natural size, in dry state. 



2, b. The same, in moist state. 



2, <:, c. Lower leaves ( X 13)- 



2, d, d. Upper leaves ( X 13)- 



2, e. Cilium of a leaf ( X i35)- 



2,f. Apex of a leaf, seen on the ventral side ( X 60). 



2, or. Transverse section of a leaf ( X 135)* 



2, k. Basal areolation ( X I35)- 



2, /. Cells in the lower part of the leaf ( X 270). 



2,y. Capsule and lid ( X 13)' 



2, k. Capsule ripe, in dry state ( X 13)- 



2, /. Calvptra ( X 13)- 



(364) 



