68 Statistics of the Flora of the Northern States. 
Spiranthes cernua, if really European, is found only on the 
west coast of Treland, and belongs to the same remarkable cate- 
gory as Hriocaulon septangulare, of the next list. 
or the rest of the list, no particular remarks are needed. 
Their northern range in this coun try corresponds generally with 
that in Europe, making allowance for the difference in ome 
that is, they range ten or fifteen degrees farther north in Weste 
Europe t than in North America. This is true even of Vallis. 
neria sptralis, a plant of temperate climates, with a wide southern 
range, and neither Scandinavian nor North German, In North 
America it ex xtends to about lat. 46°: in Russia it is recorded as 
occurring near St. Petersburg, lat. 60°. 
The following species, 56 in number, range north of lat. 50, 
and many of them have been traced up to lat. 55°, but not much 
if any beyond the latter parallel. 
Anemone nemorosa. Alisma Plantago. 
astium arvense. Anacharis Canadensis. 
“Trifolium repens. Liparis Leeseli 
Ludwigia palustris. Platanthera bracteata. 
Si Sseaiaii Eriocaulon septangulare 
Eleocharis 
Gnaphalium sahptnosayi: Scirpus maritimus. 
Chimaphila umbellata. Erio alpinum, 
Monotropa Hypopitys. Carex tereti 
ce Limonium. “ _ tenella. 
Utricularia co ot “ — tenuiflora. 
“ — maritima, 
Lycopus Sue oun bd igua. 
Myosotis palustris. “ _ pallescens 
Calysegia sepium . ava, 
Salicornia herbacea, “ — filiformis. : 
“ ~~ Pseudo-Cyperus. 
Ceratophyllum Jethertict rs pial bering 
Acorus Calamus. R Leersia 0 
Sparganium ramosum ? Cala amagrostis arenaria, 
« ~~ angustifolium. Keeleria cristata. 
“Lemna te al Gbyodthe a 
polyrh iS fluitans, 
Potamogeton oetnts Pos — 
a com 
* "pln ae communis, 
“ Sotectpbylte Triticum caninum. 
Scheuchaeria Delustris. Aira flexuosa. 
Con two plants on this list, doubts may 
whether they are indigenous to this continent, ‘viz. edict 
uliginosum and Poa essa. The former is one of our common- 
est plants, but is only found along damp rend tds and in ground 
which is or has been tilled. It is found on the Saskatchawan ; 
