ALISMA RANUNCULOIDES VAR. ZOSTERIFOLIUM FRIES. 49 
and almost all the information gleaned from books about it. He 
d, from 
an examination of Davies’ specimens of his A. repens, concludes 
a 
it treat it as a “good” variety; but whether it is really more 
than an extreme “state” can only be proved by experiment. 
The first publication by Fries was in Botaniska Notiser for 1840, 
p. 35 Nov. Fl. Suec. Mant. iii. p. 188, written two years later, 
ignoring his previous name, the author substituted that of spar- 
ganifolium, possibly considering it more appropriate. The earlier 
title must, of course, ‘ il 
prelongis natantibus linearibus membranaceis. Bot. Not. ; 
Cilandie australis aquis G. M. Sjistrand. Exacte respondet A. 
apice laminam parvam abortivam videre licet.’’ e origin 
description runs :—‘ foliis longissimis linearibus natantibus (fran 
Oland, Sjéstrand).” The following list (due to the source already 
mentioned) illustrates the book-history of the subject :— 
1753. Alt i 
1846. Fries Summa Veg. Scand. p. 65. 
1864. y. littorellefolium Mortensen in Lange’s Handb. i den 
Danske Flora, ed. 3, p. 799. . 
1868. Echinodorus ranunculoides G. Engelmann in Ascherson 
Flora d. Prov. Brandenb p- 651 (1864), var. foliis zosteraceis 
op, 37 
urg, 
Buchenau. Abhandl. d. naturw. Vereines zu Bremen, xi. p 
(reprint). ; 
1869. var. sparganifolium Fries. Marsson Flora von Neu- 
vorpommern, p. 446. 
9. v. zosterefolia Fr. i. Bot. Not. 1840, Hartman Skand. 
i 16. 
187 @ 
Flora, ed. xi. p. 416 
JournaL or Borany.—Vou, 31, [Fes. 1893.] E 
Mo. Bot. Garden. 
1894 
