Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 1-10

Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 11-16

Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 17-159

Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 161-174

Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 211-224

Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 225-262

Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 263-264

Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 265-498

Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 499-500

Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 501-582

Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 583-590