Published in Hedwigia, in 1898, in volume 37, pages 50-54

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

Published in Hedwigia, in 1898, in volume 37, pages 175-188

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

Published in Hedwigia, in 1898, in volume 37, pages 313-320

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