Published in Botanical Museum Leaflets, Harvard University, in 1955, in volume 17, pages 37-64

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

Published in Botanical Museum Leaflets, Harvard University, in 1955, in volume 17, pages 65-100

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

Published in Botanical Museum Leaflets, Harvard University, in 1955, in volume 17, issue 4, pages 1-11

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

Published in Botanical Museum Leaflets, Harvard University, in 1955, in volume 17, issue 4, pages 12-24

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

Published in Botanical Museum Leaflets, Harvard University, in 1955, in volume 17, issue 4, pages 27-36

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