Published in American Fern Journal, in 1919, in volume 9, pages 1-5

Published in American Fern Journal, in 1919, in volume 9, pages 5-17

Published in American Fern Journal, in 1919, in volume 9, pages 23-28

Published in American Fern Journal, in 1919, in volume 9, pages 33-38

Published in American Fern Journal, in 1919, in volume 9, pages 38-48

Published in American Fern Journal, in 1919, in volume 9, pages 48-50

Published in American Fern Journal, in 1919, in volume 9, pages 56-58

Published in American Fern Journal, in 1919, in volume 9, pages 58-59

Published in American Fern Journal, in 1919, in volume 9, pages 67-73

Published in American Fern Journal, in 1919, in volume 9, pages 73-80

Published in American Fern Journal, in 1919, in volume 9, pages 86-88

Published in American Fern Journal, in 1919, in volume 9, pages 88-93

Published in American Fern Journal, in 1919, in volume 9, pages 93-95

Published in American Fern Journal, in 1919, in volume 9, pages 99-103

Published in American Fern Journal, in 1919, in volume 9, pages 103-106

Published in American Fern Journal, in 1919, in volume 9, pages 107-109

Published in American Fern Journal, in 1919, in volume 9, pages 109-115

Published in American Fern Journal, in 1919, in volume 9, pages 115-117

Published in American Fern Journal, in 1919, in volume 9, pages 117-118

Published in American Fern Journal, in 1919, in volume 9, pages 119-120

Published in American Fern Journal, in 1919, in volume 9, pages 120-121

Published in American Fern Journal, in 1919, in volume 9, pages 121-122

Published in American Fern Journal, in 1919, in volume 9, pages 122-123