82 
Cheney and True — Flora, of Madison and Vicinity. 
Troximon, Nutt. 
334. T. cuspidatum , Pursh. 
A few specimens collected at old stone quarry north 
of C. M. & St. P. R. R. west of -Madison. Rare. 
Taraxacum, Haller. Dandelion. 
335. **T. officinale, Weber. Common dandelion. 
Everywhere as a persistent weed. 
Lactuca, Tourn. Lettuce. 
336. *L. Scariola, L. Prickly lettuce. 
Common in waste places as a weed. Spreading 
very rapidly along railroads. 
337. L. Canadensis, L. Wild lettuce. 
Common throughout the region. 
338. L. Floridana , Gaertn. 
Growing in rich soil and newly cleared land. Not 
rare. 
Sonchus, L. Sow-thistle. 
339. S. oleraceus, L. Common sow-thistle. 
Very common along railroads and in waste grounds. 
340. S. asper, Vill. Spiny leaved sow-thistle. 
Growing with the preceding. Less common. 
341. S. arvensis, L. Field sow-thistle. 
A single specimen of this species collected in 1890 
on the University of Wisconsin farm. Not ob¬ 
served since. 
* 
Lobeliace^e. (Lobelia Family.) 
Lobelia, L. 
342. *L. syphilitica, L. Great lobelia. 
Common in low moist places. 
343. **L. inflata, L. Indian tobacco. 
In dry soil. Rather rare. 
344. L. spicata, Lam. 
Growing in dry grassy places. Not common. 
345. L. Kalmii, L. 
Growing in the marsh land about the lakes. Com¬ 
mon. 
