Published in Bulletin de la Société Botanique de France, in 1917, in volume 64, pages 18-24

Published in Bulletin de la Société Botanique de France, in 1917, in volume 64, pages 24-34

Published in Bulletin de la Société Botanique de France, in 1917, in volume 64, pages 46

Published in Bulletin de la Société Botanique de France, in 1917, in volume 64, pages 162

Published in Bulletin de la Société Botanique de France, in 1917, in volume 64, pages 203-204