THE ANATOMY OF THE GENUS SALICORNIA. 317 
The Anatomy of the Genus Salicornia. 
By ЕтнЕг, ре Frar, D.Se., F.L.S. (University College, London). 
(PLATES 15 & 16, & 14 Text-figures.) 
[Read 6th April, 1911.] 
[The present paper was intended to form the third of a series of papers on Salicornia, but 
various circumstances having prevented the other authors from completing their memoirs, 
it has been thought best not to delay the issue of this portion any longer.] 
ж 
THE anatomy of the Salicornieæ * shows many features of interest correlated 
with the curious morphological configuration characteristie of the genus. 
The succulent, glabrous, shining internodes, which are so distinctive a feature 
in them, have been the subject of considerable discussion, and their mor- 
phology has been variously interpreted by different workers. 
Babington f, Bentham 1, and Hooker $, in their respective Floras, consider 
the genus to be made up of aphyllous plants, and that the green or reddish 
fleshy internodes represent merely the succulent stem cortex. On this 
theory, the whole assimilatory work of the plant is carried on by the stem. 
A second opinion || expresses the view that the small free tips of the 
succulent part of the stem segments represent the short, scaly leaves, which 
are arranged in decussate pairs. 
A third theory, first put forward by Duval-Jouve f, regards the whole of 
the succulent “outer cortex” as foliar in origin. Our study of the anatomy 
of the various species of Salicornia has led us also to a similar conclusion. 
THe Lear. 
Duval-Jouve based his conclusion that the Salicornias have * des feuilles 
decurrentes, appliquées contre les entrenceuds, les recouvrant entierement, 
soudées par leurs bords et ne s'isolant qu'a leur pointe contre la base de 
lentrenoeud supérieur, ce qui simule des articulations,” chiefly upon the 
* A brief description of the specific characters of the species of Salicornieze employed in 
this investigation has been published by Dr. Moss in the ‘Journal of Botany,’ vol. xlix. 
(June 1911), pp. 177-185. 
T Babington, C. C.: Manual of British Botany, 9th ed. by H. & J. Groves, p. 350 (1904). 
t Bentham, G.: Handbook of the British Flora, р. 436 (1858). 
$ Hooker, Sir J. D. : Student's Flora of the British Isles, pp. 335 & 341 (1884), 
I! De Bary, Н. A.: Comparative Anatomy of the Phanerogams and Ferns, Engl. Trans. 
Oxford, 1884, p. 297. 
€ Duval-Jouve, J.: in Bull. Soc. Bot. France, xv. (1868) p. 132. 
LINN. JOURN.—BOTANY, VOL. XLI. 2B 
