Published in Hedwigia, in 1893, in volume 32, pages 32-41

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

Published in Hedwigia, in 1893, in volume 32, pages 59-61

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

Published in Hedwigia, in 1893, in volume 32, pages 216-227

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