1894.] PLANTS OF MONROE COUNT V. 7 7 



513. H. tuberosus L. Jerusalem Artichoke. 



Alluvial soil; not common. 

 igg. COREOPSIS L. 



514. C. discoidea Torr. & Gray. [Bidens discoidca (T. & G.) Britton. | 



Rare. Sandbar and lake shore, Irondequoit, /. />. Fuller. 



200. BIDENS L. 



515. B. frondosa L. Stick-tight. Beggar-ticks. 



Low ground and moist waste places ; common. 



516. B. connata Muhl. Swamp Beggar-ticks. 



Along ditches, brooks, etc. ; frequent. 



517. B. cernua L. 



Shores, swamps, ditches, wet places ; common. 



518. B. chrysanthemoides Michx. [B.lcevis (L.) B.S.P.] 



Borders of streams, marshes and ditches ; common. 



519. B. bipinnata L. Spanish Needles. 



Rare. Long pond, Dr. Anna H. Searing. 



520. B. Beckii Torr. Water Marigold. 



Rare. Sodus bay, G. T. Fish. 



201. HELENIUM L. 



521. H. autumnale L. Sneeze-weed. 



River flats, wet ground, along streams ; frequent. 



202. A NTH EM IS L. 



522. A. Cotula DC. [L.] {Maruta Cotula DC.) Mayweed. 



Roadsides and waste places ; abundant. 



523. A. arvensis L. Corn Chamomile. 



Fields, roadsides, waste places ; common. 



203. ACHILLEA L. 



524. A. Millefolium L. Yarrow. 



Fields, roadsides, waste places; common. The pink-flowered form 

 frequent. 



204. CHRYSANTHEMUM Tourn. [L.] 



525. C. Leucanthemum L. [Leucanthemum vulgare Lam.) On-eye Daisy. 



Fields and meadows ; very abundant. 



526. C. Leucanthemum L. var. tubuliflorum Tenney. 



Greece, north of the Ridge road, Mrs. J. J. Kemfie. 



527. C. Parthenium Pers. {Leucanthemum Parthenium Godron.) [Chrys- 



anthemum, Parthenium (L.) Pers.] Feverfew. Escaped. 



205. TANACETUM L. 



528. T. vulgare L. Common Tansy. Roadsides; frequent. 



206. ARTEMISIA L. 



529. A. caudata Michx. 



Rare. Shore of lake Ontario, Webster, Dr. C. M. Booth. 



