Published in Botanical Museum Leaflets, Harvard University, in 1949, in volume 13, pages 153-192

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

Published in Botanical Museum Leaflets, Harvard University, in 1949, in volume 13, pages 213-247

Created: 2016-02-07, modified: 2017-10-30

Published in Botanical Museum Leaflets, Harvard University, in 1949, in volume 13, pages 293-323

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

Published in Botanical Museum Leaflets, Harvard University, in 1949, in volume 13, pages 325-332

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

Published in Botanical Museum Leaflets, Harvard University, in 1949, in volume 14, pages 21-47

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

Published in Botanical Museum Leaflets, Harvard University, in 1949, in volume 14, pages 49-77

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

Published in Botanical Museum Leaflets, Harvard University, in 1949, in volume 14, issue 4, pages 1-20

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