AE8CUIiUS HIFPOCA6TANUM ALN1S RUGOSA. 9 



Aesculus hippocastanum L. Buckeye family (Aesculaceae). 



Horse-chestnut. 



Large tree, 60 feet or more in height. Eacaped from cultivation, southeastern 

 New York and New Jersey. Native of Asia. 



Part* used. — Bark and fruit (nonofficial). 



Afterbirth-weed. See Stylomnthes hi flora. 



Agrinwnia eupatoria (of American authors, not L. ). Same as Agrimonia hirmda. 



Agrimonia hirsuta (Mnhl.) BicknelL Rose family (Rosaceae). 



Synonym. — Agrimonia eupatoria oi most American authors, not L." 

 Agrimony; tall hairy agrimony. 



Perennial herb, 3 to 4 feet high, found in woods and thickets from New Bruns- 

 wick to Minnesota and Nebraska, south to North Carolina; also in California. 

 Native. 



Part used. — Herb (nonofficial). 





family 



Agrimony. See Agrimoma hirsuta. 



Agrimony, tall hairy. See Agrimonia hirsuta. 



Agropyron repens (L.) Beau v. 



Synonym. — Triticum re)>ens Beau v. 



Triticum; couc harass; dog-grass; quack-grass. 



A troublesome grass in cultivated land from .Maine to Maryland, west to Minne- 

 sota and Missouri; sparingly distributed in the South. Introduced from 

 Europe. 



Pari used* — Rhizome, gathered in spring (official). 

 Ague-tree. See Sassafras variifolium. 



Ague weed. See Eupctiorivm perforatum and Gcntiana guinguefolia. 

 Alder, black. See Ilex verticiUata. 



Alder, common. See Alnus rugom. 

 Alder, red. See Alnus rugom* 



Alder, smooth. See Alnus rugasa. 



Alder, tag-. Sec A fit us rugosa. 



Aletris farinosa L. Lily family (Liliaceae). 



Star-grass; false (not true) unicorn-root; & colic-root. 



Native, perennial herb, 2 to H feefc high; in dry, sandy soil from Maine to Minne- 

 sota, south to Florida and Tennessee. 



Part used. — Rhizome (nonofficial), gathered after the plant has flowered. 

 Allspice, Carolina. See Bntneria florida. 

 Allspice, Florida. See Butmeia florida. 

 Allspice, wild. See Benzoin benzoin. 



Alnus rugosa ( Do Roi) K. Koch. Birch family (Betulaceae). 



Synonym. — Alnus terrulata Willd. 

 Tag-alder; common alder; red alder; smooth alder. 



Native shrub, or sometimes a small tree, occurring in swamps and marshv bor- 

 ders of streams from the New England States west to Minnesota and south- 

 ward to Florida and Texas. 



Pari used. — Bark nonofficial). 



long used in local florae and text-books for the agrimony of the Eastern States, 1 has been doing duty 

 lor a group of related species, of which at least five are now elearly recognized. Furthermore. Doctor 

 Britton (Bui. Torr. Bot. Club, 18 66, 1891 I states that the true Agrimonia eupatoria is not known at 

 all as an American plant. The native plant to which the name Agrimonia eupak a lias been mos 

 frequently applied by American authors is Atirim- la hirsuta | Muhl. » Bieknell. 



&The name '"true nnicorn-root " has long been applied to Atetris farinosa, but as " unicorn-root" 

 was the common name tirst given to Chamaelirium liUeum {Helonias dioica), this should more prop- 

 erly be called the true unicorn-root and Aletris farinosa the false unicorn-root. 



