794 Wisconsin Academy of Sciences, Arts, and Letters. 
Parietales 
Roripa obtusa (Nutt.) Britton, Blunt-leaved water cress, s* 
Triadenum virginicum (L.) Raf., Marsh St. John’s wort, s. 
Viola alsophila Greene, Woodland white violet (f), b. s. 
Viola renifolia A. Gray, Kidney-leaved violet ( ?), c. 
Caryophyllales \ 
Stellaria (Alsine) longifolia (Muhl.) Britton, Long-leaved 
stitchwort, b. s.; s. 
Populus grandidentata Michx., Large-toothed aspen, c. 
Populus tremuloides Michx., American aspen, c; b. s.; s. 
Salix linearifolia Rydb., Linear-leaved willow, b. s.; s; w. 
Salix sp. s; c. 
Polygonum amphibium L., Water persicaria, s. 
Polygonum lapathifolium L., Dock-leaved persicaria (knot- 
weed), b. s.; &. 
Polygonum dumetorum L., Hedge buckwheat, c; b. s. 
Polygonum sagittatum L., Arrow-leaved tear-thumb, b. s. 
Rumex brittannica L., Great water-dock, c; s. 
Malvales 
Ulmus americana L., White elm, c. 
Ulmus fulva Michx., Slippery red elm, c. 
Celtis crassifolia Lam., Hackberry, c; b. s. 
Tilia americana L., Bass-wood, linden, c. 
Primulales 
Lysimachia terrestris (L.) B. S. P., Bulb-bearing loose¬ 
strife, b, s.; s. 
Lysimachia thyrsiflora L., Spotted loosestrife, b. s. 
Solanum nigrum L., Garden night-shade, s. 
Gentianales 
Asclepias incarnata L., Swamp milkweed, b. s.; s. 
Apocynum androsaemifolium L., Spreading dogbane, c. 
Fraxinus americana L., White ash ( ?), c. 
Impatiens biflora Walt., Spotted touch-me-not, b. s. 
Pricales 
Vaccinium pennsylvanicum Lam., Dwarf low bush blue¬ 
berry, c. 
Pyrola rotundifolia L., Round-leaved wintergreen, c. 
