Published in Botanical Museum Leaflets, Harvard University, in 1957, in volume 17, pages 241-246

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

Published in Botanical Museum Leaflets, Harvard University, in 1957, in volume 17, pages 247-264

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

Published in Botanical Museum Leaflets, Harvard University, in 1957, in volume 17, pages 265-316

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

Published in Botanical Museum Leaflets, Harvard University, in 1957, in volume 18, pages 1-56

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

Published in Botanical Museum Leaflets, Harvard University, in 1957, in volume 18, pages 57-76

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