20 Bigelow on the Medical Botany of Ohio. . [Nov. 



Sp. 94. Silphium perfoliatum, Linn. 



Com. names — Cup Plant, Turpentine Sun Flower. Stem 

 4° — 6° high, leaves thin. — July. 



These and some other species, yield a fragrant gum, which 

 is stimulant and anti-spasmodic. (Griffith Med. Bot. 1. c.) 



Sp. 95. Ambrosia trifida. Linn. 



Com. names — Great Ra Weed, Horse Weed, Wild Hemp . 

 Coarse unsightly plant 4° — 12° high. 



Appears to be highly beneficial in arresting excessive sali- 

 vation. (Griffith, Med. Bot. 387.) 



Sp. 96. Echinacea purpurea. Moench, 

 Com. names — -Purple Cone Flower, Black Sampson. — 



Flowers dull purple, rather handsome. — July. 



Root thick, black, very pungent to the taste; aromatic and 



carminative, little known. (Riddell, West. Flor. 58.) 



Sp. 97. Coreopsis trichosperma. Miehx. 

 Com. name — Tick Weed Sunflower. Rays large, golden 

 yellow. — September. 



This and several other species of the genus, and the closely 

 allied genus Bidens, yield a good deal of coloring principle. — 

 The seeds are said to be alterative. In what cases they are 

 indicated, I do not know. (Riddell, Syn. West. Flor. 59.) 

 Sp. 98. Aster cordifolius, Linn. 

 Com. name — Heart Leaved Aster. Rays pale blue, headi, 

 in great profusion, but quite small.- — September. 

 Sp. 99. Aster puniceus, Linn. 

 Com. name — Rough Stemmed Aster. Stem 3° — 6° high. 

 Rays lilac-blue. — September. 



The roots of these and several other species, are said to be 

 aromatic and anti-spasmodic. They are very common plants, 

 and more of their qualities should be known. (Griffith, Med. 

 Bot. 387.) 



Sp, 100, Artemisia biennis. Willd. 

 Com. name — Biennial Worm Wood. 

 Tonic and anthelmintic. Requires examination. 

 Sp. 102. Antennaria dioica. Geertn. Syn. GnaphaJium Dioicum. 



Linn. 



Com. name — Dioecious Everlasting. 



Pectoral and demulcent. (Griffith, Med. Bot. 407.) 

 Sp. 102. Erechthites hieracifolia. Raf. 



Com. names — Fire Weed. Ra Root. Syn. Scnecio Hiera- 

 cifolius. Linn. 



Plant 1° — 8° high, somewhat the aspect of a sow thistle; 

 very common. — July, Sept. 



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