Published in Bulletin of the Torrey Botanical Club, in 1917, in volume 44, pages 287-310

Created: 2017-10-18, modified: 2017-10-18

Published in Bulletin of the Torrey Botanical Club, in 1917, in volume 44, pages 501-511

Created: 2017-10-18, modified: 2017-10-18

Published in Bulletin of the Torrey Botanical Club, in 1917, in volume 44, issue 1, pages 1-37

Created: 2010-01-08, modified: 2011-06-21