Feb., 1910.] 
Medicinal Plants of Ohio. 
85 
Inula helenium L. Elecampane. (U. S. P.) (Ec.) (Horn.) Root. 
Polymnia uvedalia L. Bear’s-foot, Leaf-cup. (Ec.) (Horn.) Root. 
Silphium perfoliatum L. Cup-plant. (Ec.) Root. 
Rudbeckia laciniata L. Tall or Green-headed Cone Flower. (Ec.) 
Herb. 
Brauneria purpurea (L.) Britt. ( Rudbeckia purpurea L.) Purple 
Cone-flower. (Ec.) Root. 
Helianthus annuus L. Sun Flower. (Ec.) (Horn.) Seeds and stems. 
Helianthus tuberosus L. Jerusalem Artichoke. (Ec.) Seeds and 
stems. 
Verbesina virginica L. Crown Beard. (Ec.) Leaves and tops. 
Verbesina helianthoides Nutt. ( Actinomeris helianthoides Nutt.) 
Sunflower Crown beard. (Ec.) Seeds and stems. 
Bidens cernua L., B. connata Willd., B. frondosa L. and B. 
bipinnata L. Spanish Needles, Beggar’s Ticks. (Ec.) Root 
and seeds. 
Helenium autumnale L. Sneeze-weed. (Ec.) Plant. 
Helenium tenuifolium Nutt. Five-leaved Sneeze-weed. (Ec.) 
Plant. 
Achillea millefolium L. Yarrow. (Ec.) (Horn.) Plant. 
Anthemis cotula L. ( Maruta cotula DC.) Mayweed, Dog Fennel. 
(Ec.) Herb. 
Anthemis arvensis L. Corn or Field Chamomile (Ec.) Flower 
heads. 
Matricaria chamomilla L. German Chamomile. (U. S. P.) (Ec.) 
Flower heads. 
Tanacetum vulgare L. Tansy. (U. S. P.) (Ec.) (Horn.) Leaves 
and tops. 
Artemisia vulgaris L. Common Mugwort. (Ec.) Root. 
Tussilago farfara L. Colt’s Foot. (Horn.) Plant. 
Erechtites hieracifolia (L.) Raf. Fire weed. (Ec.) (Horn.) Plant 
and oil. 
Senecio obovatus Muhl. Golden Ragwort. (Ec.) Herb. 
Senecio aureus L. Golden Ragwort. (Ec.) (Horn.) Herb. 
Arctium lappa L. Burdock. (U. S. P.) (Ec.) (Horn.) Roots. 
Carduus arvensis L. Robs. ( Cirsium arvense Scop.) Canada 
Thistle. (Ec.) Root. 
Centaurea cyanus L. Corn flower. (Ec.) Leaves and flowering 
heads. 
