Published in American Fern Journal, in 1917, in volume 7, pages 3-5

Published in American Fern Journal, in 1917, in volume 7, pages 6-9

Published in American Fern Journal, in 1917, in volume 7, pages 12-15

Published in American Fern Journal, in 1917, in volume 7, pages 15-19

Published in American Fern Journal, in 1917, in volume 7, pages 33-35

Published in American Fern Journal, in 1917, in volume 7, pages 36-50

Published in American Fern Journal, in 1917, in volume 7, pages 51-54

Published in American Fern Journal, in 1917, in volume 7, pages 63-66

Published in American Fern Journal, in 1917, in volume 7, pages 67-73

Published in American Fern Journal, in 1917, in volume 7, pages 73-76

Published in American Fern Journal, in 1917, in volume 7, pages 77-87

Published in American Fern Journal, in 1917, in volume 7, pages 87-90

Published in American Fern Journal, in 1917, in volume 7, pages 90-96

Published in American Fern Journal, in 1917, in volume 7, pages 99-104

Published in American Fern Journal, in 1917, in volume 7, pages 104-106

Published in American Fern Journal, in 1917, in volume 7, pages 106-109

Published in American Fern Journal, in 1917, in volume 7, pages 110-112

Published in American Fern Journal, in 1917, in volume 7, pages 112-114

Published in American Fern Journal, in 1917, in volume 7, pages 114-121

Published in American Fern Journal, in 1917, in volume 7, pages 121-125