Published in Hedwigia, in 1901, in volume 40, pages 100-124

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

Published in Hedwigia, in 1901, in volume 40, pages 171-274

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

Published in Hedwigia, in 1901, in volume 40, pages 323-342

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