151                          [237 3
CORNACEaE.
Cornus stolonifera, (Michx.)   Low woods and islands, Upper Missouri,
abundant; June 2—fl. and fr. jun.
Comus Florida, (Linn.)    Missouri bluffs, as high as the Kansas river ;
April 14.
RTJBIACEaE.
Syraphoricarpus occidentalis, (R. Br.) Banks of Shayen-oju river, July
14. The most common shrub in the prairie region. Leaves of the
young shoots often coarsely toothed, as in >S. rasemasa.
Galium aparine, (Linn.) Low woods of the Missouri, May 28. Leaves
in the young plant mostly 7 in a whirl.
Galium trifidum, (Linn.)    Dry swamps, Devil's lake ; August 3—fr.
Galium boréale, (Linn.)    With the preceding ; July 20.
COMPOSITaE.
Vernonia fasciculata, (Michx.)   Dry swamps, Devil's lake ; August 2.
Liatris punctata, var. j3 and y, (Hook.) Dry prairies on the dividing-ridges
between the Mississippi and Missouri waters; August 20.
Liatris scariosa, (Willd.)    Mouth of the St. Peter's river ; September 19.
Kuhnia eupatoroides, var. corymbosa, (Torr. and Gr.) High prairies,
Devil's lake; July 27.
Eupatorium perfolialum, (Linn.)    Sioux country ; September 22.
Eupatorium purpureum, (Linn.)    Wet meadows, Devil's lake; August 2.
Eupatorium ageratoides, (Linn.) Borders of woods, Upper Missouri;
September 30.
Aster Novœ Angliœ, (Ait.) Border of swamps, Upper Missouri and tribu-
taries; September 10.
Aster cardfolius,(Lmn.) Woody hills, St. Peter's river; September 6.
Aster angustus, (Torr. and Gr.) Saline swampy margin of Lake of the
Woods ; July 25.
Aster Novœ Belgii, (Linn.) and var. minor, (Torr. and Gr.) Borders of
Spirit lake ; October 1.
Aster sagittifolius, (p. Torr. and Gr.) Woods, St. Peter's river ; Septem-
ber 6.
Aster sericeus, (Vent.) Dry hills from the St. Peter's fiver across to the
Missouri; August 31.
Aster azureus, (Lind.)    Prairies of Mankato river ; September 20.
Aster lœvis, (Linn.)    Upper Missouri ; September 25.
Aster oblongifolius, (Nutt.) High prairies and limestone hills, Upper Mis-
sissippi ; September 16.
Aster ptarmicoides, (Torr. and Gr.) Hills, &c, between the Missouri and
Mississippi rivers ; August and September.
Erigerou pnmilum, (Nutt.) Hills* of the Missouri, near Fort Pierre ;;
June 26.
Erigeron strigosum, (Muhl.)    Borders of swamps, Devil's lake ; July 26.
Erigeron Philadelphicum, (Linn.)    Missouri alluvions; April 30.
Erigeron Canadense, (Linn.)    Banks of Mankato river; September 16.
Erigeron divaricutum, (Michx.) Upper Missouri; a weed about the habi-
tations of the prairie marmot; July 4.                                                 ^