ADIANTUM. 



50. Asexual Reproduction. Draw the under surface of a fertile leaf, showing sori, 

 covered by indusia. 



51. Asexual Reproduction. Strip ^off a young sorus and examine the inner surface 

 of the indusium under the low power. Draw a sporangium under the high power showing : 

 capsule ; annulus ; stalk ; stomium ; contained spores. 



