Published in Hedwigia, in 1887, in volume 26, pages 6-18

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

Published in Hedwigia, in 1887, in volume 26, pages 24-35

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

Published in Hedwigia, in 1887, in volume 26, pages 109-111

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

Published in Hedwigia, in 1887, in volume 26, pages 124-127

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