a. Dicrannm undulatnm X i. a'. Leaf X 8. b. D. Drummondii X i- 

 &'. Leaf X 8. c. >. Aagellare X 2. c'. L^a/ X 10. d. Flagella X 10. e. 

 D. fulvum X 2. ^. L,eaf and capsule X 10. 



