Published in Botanical Museum Leaflets, Harvard University, in 1942, in volume 10, pages 61-92

Published in Botanical Museum Leaflets, Harvard University, in 1942, in volume 10, pages 139-140

Published in Botanical Museum Leaflets, Harvard University, in 1942, in volume 10, pages 141-172

Published in Botanical Museum Leaflets, Harvard University, in 1942, in volume 10, pages 217-252

Published in Botanical Museum Leaflets, Harvard University, in 1942, in volume 10, pages 257-299