BIBLIOGRAPHY 



Hegelmaier, F. (1868) 

 [PP- 73, 74, 75, 77, 80, 

 314 and Figs. 48, 

 p. 76, 50, p. 79, 52, 

 p. 81] 



Hegelmaier, F. (1870) 



[P- 7<>] 



Hegelmaier, F. (1871) 

 [PP- 73, 74, 80 

 and Fig. 47, p. 



74] 



Hegelmaier, F. (1885) 

 [P- 73] 



Henfrey, A. (1852) 

 [P- 309] 



Henslow, G. (1893) 

 [pp. 142, 322] 



Henslow, G. (1911) 

 [pp. 322, 339] 



Hentze, W. (1848) 



Die Lemnaceen. Eine Monographische Untersuch- 

 ung. 169 pp., 16 pis. Leipzig, 1868. 

 (This monograph deals with the family systematically and also 

 discusses its affinities and distribution. The vegetative and 

 floral morphology of the different genera and species, and their 

 anatomy and biology, are also treated in detail.) 



Ueber die Entwicklung der Bliithentheile von Pota- 



mogeton. Bot. Zeit. Jahrg. 28, 1870, pp. 281-289, 



297-305, 313-319, i pi. 



(An account of the morphology and development of the flowers 



and fruit of this genus, P. crispus being studied in the greatest 



detail.) 



Ueber die Fructinkationstheile von Spirodela. Bot. 

 Zeit. Jahrg. 29, 1871, pp. 621-629, 645-666, i pi. 

 (After writing his monograph of the Lemnaceae, the author 

 obtained some of the very rare flowers of Spirodela polyrrhiza 

 from N. America, on which the present illustrated account is 

 based.) 



Wolffia microscopica. Bot. Zeit. Jahrg. 43, 1885, pp. 



241-249. 



(A description of some material of this species from India.) 



On the Anatomy of the Stem of Victoria Regia. Phil. 

 Trans. Roy. Soc. Lond. 1852, pp. 289-294, 2 pis. 

 (An early account of the structure of this plant, which suffers 

 from the fact that the only specimen available for study was 

 partially decayed.) 



A Theoretical Origin of Endogens from Exogens, 

 through Self-Adaptation to an Aquatic Habit. 

 Journ. Linn. Soc. Bot. Vol. xxix. 1893, pp. 485-528. 

 [An exposition of the author's theory of the aquatic origin of 

 Monocotyledons. For a criticism of this paper see Sargant, E. 

 (1908).] 



The Origin of Monocotyledons from Dicotyledons, 

 through Self-Adaptation to a Moist or Aquatic 

 Habit. Ann. Bot. Vol. xxv. 1911, pp. 717-744. 

 [A further development of the views put forward in Henslow, 

 G. (1893) with a reply to the criticisms contained in Sargant, E. 

 (1908).] 



Beschreibung einer neuen Nymphaea. Bot. Zeit. 

 Jahrg. 6, 1848, pp. 601-603. Weitere Mittheilung 

 iiber die Untersuchung deutscher Seerosen. Bot. 

 Zeit. Jahrg. 6, pp. 697-702, 1848. 

 (These papers deal with several distinct forms of Castalia alba. 

 The author leaves open the question whether these are, or are 

 not, true species.) 



Hiern, W. P. (1872) A Theory of the Floating Leaves in certain Plants, 

 [p. 30] Proc. Camb. Phil. Soc. Vol. n. 1876 (for 1864-1876), 



Part XIII, read March 13, 1871, pp. 227-236. 

 (A mathematical paper, demonstrating the advantages con- 

 ferred on a floating leaf by a circular form.) 



