Published in American Fern Journal, in 1928, in volume 18, pages 1-6

Published in American Fern Journal, in 1928, in volume 18, pages 6-14

Published in American Fern Journal, in 1928, in volume 18, pages 14-21

Published in American Fern Journal, in 1928, in volume 18, pages 21-23

Published in American Fern Journal, in 1928, in volume 18, pages 23-26

Published in American Fern Journal, in 1928, in volume 18, pages 27-28

Published in American Fern Journal, in 1928, in volume 18, pages 29-31

Published in American Fern Journal, in 1928, in volume 18, pages 31-32

Published in American Fern Journal, in 1928, in volume 18, pages 32-33

Published in American Fern Journal, in 1928, in volume 18, pages 37-45

Published in American Fern Journal, in 1928, in volume 18, pages 46-51

Published in American Fern Journal, in 1928, in volume 18, pages 51-55

Published in American Fern Journal, in 1928, in volume 18, pages 56-57

Published in American Fern Journal, in 1928, in volume 18, pages 58-59

Published in American Fern Journal, in 1928, in volume 18, pages 61-63

Published in American Fern Journal, in 1928, in volume 18, pages 69-79

Published in American Fern Journal, in 1928, in volume 18, pages 80-86

Published in American Fern Journal, in 1928, in volume 18, pages 87-93

Published in American Fern Journal, in 1928, in volume 18, pages 94-95

Published in American Fern Journal, in 1928, in volume 18, pages 95-97

Published in American Fern Journal, in 1928, in volume 18, pages 97-98

Published in American Fern Journal, in 1928, in volume 18, pages 98-99

Published in American Fern Journal, in 1928, in volume 18, pages 100-101

Published in American Fern Journal, in 1928, in volume 18, pages 115-119

Published in American Fern Journal, in 1928, in volume 18, pages 120-124

Published in American Fern Journal, in 1928, in volume 18, pages 124-128

Published in American Fern Journal, in 1928, in volume 18, pages 130