Published in Botanical Museum Leaflets, Harvard University, in 1945, in volume 11, pages 249-260

Created: 2016-02-07, modified: 2016-07-26

Published in Botanical Museum Leaflets, Harvard University, in 1945, in volume 11, pages 261-296

Created: 2016-02-07, modified: 2016-07-26

Published in Botanical Museum Leaflets, Harvard University, in 1945, in volume 12, pages 33-75

Created: 2016-02-07, modified: 2016-07-26

Published in Botanical Museum Leaflets, Harvard University, in 1945, in volume 12, pages 89-116

Created: 2016-02-07, modified: 2016-07-26