Published in Botanical Museum Leaflets, Harvard University, in 1960, in volume 19, pages 33-56

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

Published in Botanical Museum Leaflets, Harvard University, in 1960, in volume 19, pages 97-108

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

Published in Botanical Museum Leaflets, Harvard University, in 1960, in volume 19, pages 109-122

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

Published in Botanical Museum Leaflets, Harvard University, in 1960, in volume 19, pages 123-124

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