Published in Bulletin of the Torrey Botanical Club, in 1902, in volume 29, pages 69-74

Published in Bulletin of the Torrey Botanical Club, in 1902, in volume 29, pages 137-144

Published in Bulletin of the Torrey Botanical Club, in 1902, in volume 29, pages 227-231

Published in Bulletin of the Torrey Botanical Club, in 1902, in volume 29, pages 290-301

Published in Bulletin of the Torrey Botanical Club, in 1902, in volume 29, pages 449-457