PLATE XLII. 

 [Proc. Wash. Acad. ScL, Vol. II, PI. XVII.] 



Cephalozia leucantha Spruce. 



Fig. i8. Part of stem with 9 branch and perianth, X 32- 



19. Leaf, X 230. 



20. Bract with connate bracteolate of innermost row, X 32» 



21. Remaining bract of the same row, X 32. 

 22-24. Bracts and bracteole of second row, X 32. 



25. A part of the perianth-mouth, X 230. 



26. Transverse section of perianth above middle, X 32. 



The figures are all drawn from No. 1393, collected at Columbia Fiord by 

 Messrs. Coville and Kearney. 



Diplophylleia plicata (Lindb.) Evans. 



Fig. 27. Part of stem with perianth, antical view, X i5- 



Fig. 27 is drawn from the type-specimen, collected in 1861 by Glehn, at Dui, 

 on the island of Sachalin, Siberia. 



[314] (370) 



