F. Cavers. 
186 
56. Schiffner, W. “ Morphologische und biologische Untersuchungen iibet* 
die Gattungen Gvimaldia und Ncesiella." Hedwigia. 
vol. 47, 1908, p. 306. 
57. ,, “ Untersuchungen iiber die Marchantiaceengattung 
Bucegia." Beihefte zum Botan. Centralblatt, vol. 23, 
1908, p. 273. 
58. Scott, D. H. “ The Present Position of Palaeozoic Botany.” Progressus 
rei botanicae, vol. 1, 1907, p. 145. 
59. Solms-Laubach, H., Graf zu. “ Die Marchantiaceae Cleveideae und ihre 
Verbreitung.” Bot. Zeitung, vol. 57, 1899, p. 15. 
60. ,, „ “ Ueber Exonnotliecci, eine wenig bekannte Marchantia¬ 
ceengattung.” Bot. Zeitung, vol. 55, 1897, p. 1. 
61. Stephani, F. “Species Hepaticarum.” Bulletin de l’Herbier Boissier, 
1899. 
62. „ “Hepaticarum species novae. XI.” Hedwigia, vol. 44, 
1905, p. 72 (diagnoses of the new Marchantiaceous 
genera Gollaniella and Massulongoa). 
63. Tansley. A, G. “ Lectures on the Evolution of the Filicinean Vascular 
System.” New Phytologist, vol. 6, 1907, p. 25. 
64. Tilden, Josephine. “On the Morphology of Hepatic Elaters.” Minnesota 
botan. Studies, Bulletin 9, 1894, p. 43. 
65. Underwood, L. M. “The Evolution of the Hepaticae.” Proc. American 
Soc. for Adv. of Sci., vol. 43, 1894, p. 259. 
66 . ,, “ Distribution of the North American Marchantiaceae.” 
Bot. Gazette, vol. 20, 1894, p. 67. 
67. Vochting, H. “ Ueber die Regeneration der Marchantieen.” Jahrb. fur 
wiss. Botanik, vol. 16, 1885, 48 pp. 
68 . Voigt, A. “ Beitriige zur vergleichenden Anatomie der Marchantiaceen.’ 
Bot. Zeitung, vol. 37, 1879, 19 pp. 
69. Wheldon, J. A. “Marchantia polymorpha, var. aquatica Nees.” Journal 
of Botany, 1906, p. 105. 
70. Yeates, H. R. “The Means of Distribution of Hepaticae. ’ New 
Phytologist, vol. 7, 1908, p. 167. 
(To be continued). 
