Published in American Fern Journal, in 1922, in volume 12, pages 1-9

Published in American Fern Journal, in 1922, in volume 12, pages 9-12

Published in American Fern Journal, in 1922, in volume 12, pages 12-16

Published in American Fern Journal, in 1922, in volume 12, pages 16-19

Published in American Fern Journal, in 1922, in volume 12, pages 19-22

Published in American Fern Journal, in 1922, in volume 12, pages 24

Published in American Fern Journal, in 1922, in volume 12, pages 33-45

Published in American Fern Journal, in 1922, in volume 12, pages 46-53

Published in American Fern Journal, in 1922, in volume 12, pages 53-57

Published in American Fern Journal, in 1922, in volume 12, pages 58-63

Published in American Fern Journal, in 1922, in volume 12, pages 63-64

Published in American Fern Journal, in 1922, in volume 12, pages 69-77

Published in American Fern Journal, in 1922, in volume 12, pages 77-92

Published in American Fern Journal, in 1922, in volume 12, pages 93-96

Published in American Fern Journal, in 1922, in volume 12, pages 96-97

Published in American Fern Journal, in 1922, in volume 12, pages 101-122

Published in American Fern Journal, in 1922, in volume 12, pages 122-125

Published in American Fern Journal, in 1922, in volume 12, pages 125-127

Published in American Fern Journal, in 1922, in volume 12, pages 128-130