356 
Alismaceae. Butomacese. Juncagineae. 
culate.—In lakes, rivers and brooks, introduced from 
N.America; Geneva, Roile, Morges, Aarau, Zurich. 5—8 
canadensis Casp. 2028. 
104. Alismaceae. 
527. Alisma. Alisma. VI, 32. 
1. Carpels arranged (as in Malva) in subtriangular whorls. 
Stem 20—100 cm. FIs in a branched and pyramidal 
panicle. Ls oval, often slightly cordate at the base, 
more rarely (b. lanceolatum With.) narrowed-lanceolate 
at the base.—Ditches, water-side; everywhere. 6 
Plantago L. 2029. 
— Carpels arranged (as in Ranunculus) in a globular head. 
Stem 15—20 cm. FIs in a simple or double umbel. Ls 
linear-lanceolate.—As the last, rare; Meyrin near Geneva, 
lakes of Reuchatel and Morat; banks of the Aar near 
Wangen, Canton Bern: Liisclier. 6 ranunculoides L. 2030. 
OBS. For a pretended hybrid see N. Beitr. Ill, 51. 
528. Sagittaria. Arrowhead. XXI, 20, 33. 
1. The first ls linear, the normal ls deeply sagittate. FIs 
in whorls, forming a raceme.—Water-side, ditches, rare; 
Y. B. J. Z. A. 6 . . , . sagittsefolia L. 2031. 
105. Butomacese. 
529. Butomus. Butome. IX, 1. 
1. Ls rad. linear. FIs rose-coloured, in an umbel. Stem 
10—15 dm .—Water-side; Neudorf near Bale, (still abun¬ 
dant in 1878), but beyond the frontiers. 6 
*umbellatus L. 2032. 
106. Juncagineae. 
530. Scheuchzeria. Scheuchzeria. VI, 40. 
1. Stem leafy. Ls linear. FIs yellowish green, in a 4—10-fld 
spike which is leafy at the base.—Peat-marshes, es¬ 
pecially of the mount, and subalp., rare (wanting in 
T. W. ? S.). 5, 6 '. . . . palustris L. 2033. 
531. Triglochin. Triglochin. YI, 40. 
1. Rad. ls narrow-linear. FIs small, yellowish green, in a 
many-fld, leafless raceme.—Marshy fields; distrib. 6 
palustre L. 2034. 
