60 Cincinnati Society of Natural History. 
southern representative of the European fourm. This variety does not 
extend further north than latitude 50 deg. on the eastern side of the 
continent, and “there are yew trees with the port of the ordinary 7. 
baccata in Oregon.”* 
Spiranthes romanzoviana has a peculiar distribution, and though 
found in this country, from New York to Lake Superior, and north- 
westward, it is known in Europe in but one place, viz : at Bantry bay, 
on the west coast of Ireland.+ May it not be a waif on the European 
continent, perhaps carried by birds or the Gulf stream across the 
ocean? Or is it a remnant of a once more widely distributed species, 
now confined to a single locality in Europe, but widely distributed in 
America ? 
List No. IfLI.—Consisting of species living either entirely in the 
water, or else in swamps, marshes and wet places. Those ranging 
north of latitude 50° marked “ N.”’ 
Ranunculus aquatilus, var. stagna- 
lis (N). 
Ranunculus aquatilus, var. tricho- 
phyllus (N). 
Ranunculus flammula, var. reptans 
(N). 
Ranunculus sceleratus (N). 
Caltha palustris (N). 
Nuphar luteum. 
Nuphar luteum, var. pumilum (N). 
Nasturtium palustre (N). 
Cardamine hirsuta (N). 
Drosera rotundifolia (N). 
Drosera longifolia. 
Stellaria uliginosa (N). 
Stellaria crassifolia (N). 
Myriophyllum spicatum (N). 
Myriopbyllum verticillatum. 
Hippurus vulgaris (N). 
Ludwigia palustris (N). 
Ligusticum scoticum (N). 
Sium angustifolium (N). 
Bidens cernua (N). 
Statice limonium (N). 
Statice limonium, var. caroliniana 
(N). 
Samolus valerandi, var. americana. 
* Utricularia vulgaris (N). 
Utricularia minor (N). 
Utricularia intermedia (N). 
Limnosella aquatica, var. tenuifolia 
(N). 
Veronica anagallis (N). 
Salicornia her bacea (N). 
Suzeda maritima (N). 
Ceratophyllum demersum (N). 
Callithriche verna (N). 
Callithriche autumnalis (N). 
Speirodela (Lemna) polyrrhiza (N). 
Lemna triscula (N). 
Lemna minor (N). 
Typha angustifolia. 
Typha latifolia (N). 
Sparganium simplex, var. angusti- 
folium (N). 
Sparganium simplex, var. fluitans 
N). : 
Naias major. 
Naias flexilis. 
Zannichellia palustris. 
Ruppia maritima. 
Potamogeten natans (N). 
Potamogeten rufescens (N). 
Potamogeten gramineus (N). 
Potamegeten lucens (N). 
Potamogeten prelongus (N). 
Potamogeten perfoliatus (N). 
Potamogeien obtusifolius. 
Potamogeten crispus (N). 
Potamogeten compressus. 
Potamogeten pusillus (N). 
Potamogeten pusillus,var. major(N). 
Potamogeten pusillus, var. vulgaris. 
Potamogeten pectinatus (N). 
Triglochin palustre (N). 
Triglochin, maritimum (N). 
* Gray, Am. Jour. Sci., 2d series, vol. xxili., p. 67. 
+ Gray’s Manual, p. 505. 
