COLTSFOOT COLUMBO, AMERICAN. 77 



what reniform in outline, white and starchy internally, 

 about inch thick, and varying from f-i inch in dia- 

 meter. Taste, sweetish, then bitter and acrid. Odour, 

 radish-like in the fresh root, but lost in drying. 



The seeds are dull brown, nearly spherical, finely 

 pitted, with a crest-like appendage at the hilum, very 

 hard and horny, with a minute embryo. Taste, bitter 

 and acrid. Odour, none. 



COLTSFOOT. Tussilago Farfara, Linn. 



N.O. Composite. 

 Syn. Coughwort, Horsehoof. 



Part used Leaves. 



Action Demulcent, expectorant. This is one of the 

 most popular of cough remedies, and is generally given 

 in conjunction with one or two other herbs possessing 

 pectoral qualities, such as Horehound, Marshmallow, 

 Ground Ivy, &c. A decoction is made of i ounce of 

 leaves in i quart of water boiled down to i pint, and is 

 taken in teacupful doses sweetened. 



Preparation Fluid extract: Dose, -1 drachm. 



Distinctive character Leaves hoof-shaped with 

 angular teeth on the margins, about 4 inches in diameter, 

 long-stalked, green above, coated with matted long 

 white hairs beneath and on the upper surface when 

 young. Taste, mucilaginous, bitterish, and slightly 

 astringent. 



B4 



COLUMBO, AMERICAN. 



Frasera Carollnensis, Walt. 

 N.O. Gentianacece. 

 Syn. Frasera Walteri, Frasera Canadensis. 



Part used Root. 



Action Tonic, stimulant. This drug is a gentle 

 stimulant and may be serviceable in all cases where a 



