Published in Botanical Museum Leaflets, Harvard University, in 1954, in volume 16, pages 179-228

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

Published in Botanical Museum Leaflets, Harvard University, in 1954, in volume 16, pages 229-240

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

Published in Botanical Museum Leaflets, Harvard University, in 1954, in volume 16, pages 241-260

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

Published in Botanical Museum Leaflets, Harvard University, in 1954, in volume 16, pages 261-264

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

Published in Botanical Museum Leaflets, Harvard University, in 1954, in volume 16, pages 265-303

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