414 



Willis, J. C. ) 



and L (1895) 

 Burkill, I. H.j 

 [p. 230] 



Wilson, A. 

 Wilson, W. (1830) 



[P- 76] 



Wydler, H. (1863) 



Wylie, R. B. (1904) 



[PP. 55, 57] 



Wylie, R. B. (1912) 

 [PP- 55, 86 and Fi g- 

 35, P- 56J 



Wylie, R. B. (I9I7 1 ) 

 [p. 234 and Fig. 153, 

 P- 234] 



Wylie, R. B. (I9I7 2 ) 



[P- 235] 



Zacharias, O. (1891) 



BIBLIOGRAPHY 



Flowers and Insects in Great Britain. Ann. Bot. 

 Vol. ix. 1895, pp. 227-273. 



(This paper includes observations on the pollination of Peplis 

 and Mentha aquatica.) 



See Wheldon, J. A. and Wilson, A. (1907) 

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(A description, with clear figures, of the seedlings of this 

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Morphologische Mittheilungen. Alisma Plantago, L. 

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(A detailed study of the shoot relations and the inflorescence 

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The Morphology of Elodea canadensis. Bot. Gaz. 



Vol. xxxvu. 1904, pp. 1-22, 4 pis. 



(An account of the gametophytes, pollination, etc. in this 



species.) 



A long-stalked Elodea flower. Bull, from the Labs. 



of Nat. Hist. State University Iowa, Vol. vi. 1912, 



PP- 43-52, 2 pis. 



(A description of a new species of Elodea, E. ioensis, in which 



the male flower reaches the surface through great elongation of 



its stalk.) 



Cleistogamy in Heteranthera dubia. Bull, from the 

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The Pollination of Vallisneria spiralis. Bot. Gaz. 

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Die Tier- und Pflanzenwelt des Siisswassers, Vol. i. 

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