Compositor. 
79 
Lepachys, Raf. 
298. L. pinnata , Torr. & Gray, 
Growing in dry soil, borders of woods and thickets. 
Common. 
Helianthus, L. Sunflower. 
299. *H. annuus , L. 
Persisting occasionally after cultivation. Very 
common in cultivation. 
300. //. rigidus , Desf. 
Common in dry rocky woods and thickets. 
30*1. H. occidentalism Riddell. 
Dry open lands throughout the region. 
302. II. grosse-serratus , Martens. 
Not uncommon on dry rich soil. 
303. H. strumosus , L. 
Low copses. Not rare. 
304. H. decapetalus , L. 
Not rare in borders of thickets and in low land 
along streams. 
Coreopsis, L. Tickseed. 
305. C. palmata , Nutt. 
In dry soil throughout the region. Rather com¬ 
mon. 
306. C. trichosperma , Michx. Tickseed sunflower. 
Not rare in the marsh land south of Madison. 
Bidens, L. Bur-marigold. 
307. B. frondosa , L. Common beggar-ticks. Stick-tight. 
Common. 
308. B. connata , Muhl. Swamp beggar-ticks. 
Common in low lands. 
309. B. clirysanthemoides , Michx. Large bur-marigold. 
Abundant in swampy grounds about Madison. 
Anthemis, L. Chamomile. 
310. *A. Cotula, DC. May-weed. 
Very common in waste places and along roadsides. 
Achillea, L. Yarrow. 
311. *A. Millefolium , L. Common yarrow or milfoil. 
Of common occurrence throughout the region. 
