Published in Memoirs of The Torrey Botanical Club, in 1915, in volume 14, issue 2, pages 155-240

Created: 2017-03-15, modified: 2017-03-15

Published in Memoirs of The Torrey Botanical Club, in 1915, in volume 16, issue 2, pages 1-55

Created: 2017-03-15, modified: 2017-03-15