I I 2 
M archantiales. 
12. Johnson, D. S. “The Development and Relationship of Monoclea ,” Bot. 
Gaz., vol. 38, 1904, p. 185. 
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14. I ^ewis, C. E. “ The Embryology and Development of Ricciu lutcscens and 
R. crystallina." Bot. Gaz., vol. 41, 1906, p. 109. 
15. Macfadden, Effie B. “ The Development of the Antheridium of Targionia." 
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Hepatiques.” Bull. Soc. Bot. France, 1856. 
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moose.” Flora, vol. 77, 1893, p. 282. 
18. Wheldon, J. A. “ Marchantia polymorplui, var. aquatica .” Journal of 
Botany, 1906, p. 105. 
(To be continued). 
