Composite. 
81 
Cnicus, Tourn. Common or plumed thistle. 
321. C. lanceolatus, Hoffm. Common thistle. 
Very common throughout the region. 
322. C. altissimus , Willd. 
Rocky open woods. Common. 
323. C. altissimus , Willd., var. discolor , Gray. 
Growing with the species. 
324. C. muticus , Pursh. Swamp thistle. 
Low wet meadows and pastures. Common. 
325. C. pumilus , Torr. Pasture thistle. 
Growing in dry pastures. Along C. M. & St. P. 
R. R. west of Madison. Not common. 
326. C. arvensis, Hoffm. Canada thistle. 
Roadsides in Madison, 5th ward, Mills street at 
crossing of C. M. & St. P. R. R., north of C. M. & 
St. P.' depot. Pasture west of old Camp Randall. 
Chicorium, Touru. Succory or chicory. 
327. *C. Intybus, L. 
In Madison, roadsides along University avenue and 
other streets. Fairground. Spreading rapidly as 
a weed along roads. 
Tragopogon, L. Goat’s-beard. 
328. T. PORRiFOLius, L. Salsify. Oyster-plant. 
Escaped. Growing along I. C. R. R. west of Mad¬ 
ison. 
329. T. pratensis, L. Goat’s-beard. 
Observed in two or three places along railroads. 
Not common. 
Hieracium, Tourn. Hawkweed. 
330. //. Canadense , Michx. 
Dry woods throughout the region. Common. 
331. H. venosum , L. Rattlesnake-weed. 
Common everywhere. 
Prenanthes, Vaill. Rattlesnake-root. 
332. P. racemosa , Michx. 
Growing in rich open woods. Not rare. 
333. *P. alba , L. White lettuce. Rattlesnake-root. 
Borders of woods and thickets. Common. 
