4 o 4 BIBLIOGRAPHY 



Siddall, J. D. (1885) The American Water Weed, Anacharis Alsinastrttm, 

 [pp. 55, 210, 21 1] Bab.: Its Structure and Habit; with some Notes on 

 its introduction into Great Britain, and the causes 

 affecting its rapid spread at first, and apparent 

 present diminution. Proc. Chester Soc. Nat. Sci. 

 No. 3, 1885, pp. 125-134, i pi. 



(This paper gives the early history of Elodea canadtnsis, Michx. 

 in this country.) 



Snell, K. (1908) Untersuchungen iiber die Nahrungsaufnahme der 



[pp. 208, 260, 265] Wasserpflanzen. Flora, Bd. 98, 1908, pp. 213-249, 

 2 text-figs. 



(The author's main conclusion is that, in the case of rooted 

 submerged plants, the greater part of the water supply is 

 taken in by the roots, but that the leaves may also absorb 

 water.) 



Snell, K. (1912) Der Transpirationsstrom der Wasserpflanzen. Ber. 



[p. 266] d. deutschen bot. Gesellsch. Jahrg. xxx. 1912, pp. 



361, 362. 



[A note which should be read in connexion with Snell, K. 

 (1908) and Hannig, E. (1912).] 



Snow, L. M. (1914) Contributions to the knowledge of the diaphragms 

 [p. 183] of water plants. /. Scirpus validus. Bot. Gaz. Vol. 58, 



1914, pp. 495-517. J 6 text-figs. 



(This paper contains a comprehensive review of the records in 

 the literature relating to the occurrence of diaphragms in 

 various groups of the higher plants.) 



Solereder, H. (1913) Systematisch-anatomische Untersuchung des Blattes 

 [pp. 42, 46, 52, 135, der Hydrocharitaceen. Beihefte zum Bot. Centralbl. 

 165, 169, 340] Bd. xxx. Abth. i. 1913, pp. 24104, 53 text-figs. 



(A highly detailed comparative study of the leaves of the 

 Hydrocharitaceae. The author has examined all the genera 

 belonging to this family.) 



Solereder, H. (1914) Zur Anatomic und Biologic der neuen Hydrocharis- 

 [p. 42] Arten aus Neuguinea. Mededeelingen van's Rijks 



Herbarium Leiden, No. 21, 1914, 2 pp. 

 (A description of the leaf structure of H. parnassifolia and 

 H. parvula the former has typical air leaves like H. asiatica, 

 and the latter, swimming leaves like H. Morsus-ranae.) 



Solms-Laubach, H. Pontederiaceae. A.andC. deCandolle'sMonographiae 

 Graf zu (1883) Phanerogamarum, Vol. iv. 1883, pp. 501-535. 



[p. 317] (A systematic account of this group with a discussion of the 



geographical distribution, etc.) 



Spenner,F.C.L. (1827) Ueber Nuphar minima Smith. Flora, Jahrg. x. Bd. i. 

 [p. 28] 1827, pp. 113-119, 2 pis. 



[In his account of this plant, the author describes the submerged 

 leaves and figures them (PI. I). He suggests that leave? of this 

 type probably occur in other Nymphaeaceae, but that they 

 have been overlooked.] 



