(290) 



633 1« Blue flag. Iris. Fleur-de-lis. — The flowering plant of Iris versicolor L. 

 (See No. 4845). Rootstock medicinal and an irritant poison in over-doses. 

 Collected by R. S. Williams in the New York Botanical Garden. 



6332. The rootstock of the preceding. Collected by Clute & Wilson in Bronx 



Park, New York, August I, 1899. 



6333. Blue-eyed grass. — The flowering plant of Sisyrinchium angustifolium Mill. 



(Same family). Native of eastern and central North America. Roots an 

 irritant poison. Same collection. 



6334. Stinging nettle. — The flowering plant of Urtica dioica L. {JJrticaceae — 



Nettle Family). Native of eastern and central North America. The 

 hairs are strongly irritant to the skin. 



6335. Indian hemp. Hemp. — The flowering plant of Cannabis saliva L. (See 



No. 551). A narcotic poison. Grown in the New York Botanical 

 Garden. 



6336. Horse-sorrel. Sour-grass. — The flowering plant of Rumex Acetosella L. 



{Polygonaceae — Knotweed Family). Native of the north temperate zone, 

 and a very common weed in the eastern United States. Contains oxalic 

 acid and has proven fatal when eaten in large quantity as a salad. Col- 

 lected by H. H. Rusby at Newark, New Jersey. 



6337. Pie-plant leaves. Also contain oxalic acid, and have caused death when 



eaten in large quantity as a salad. 



6338. American wormseed. — The flowering plant of Chenopodium ambrosioides L. 



{Chenopodiaceae — Goosefoot Family). Native of tropical America and 

 naturalized as a common weed in North America. The seeds are medicinal, 

 and poisonous in over-doses. Collected by J. K. Small, October 6, 1898. 



6339- 



6340. Pokeberry. Pigeon-berry. Red-ink berry. — The flowering and fruiting 



branches of Phytolacca americana L. (See No. 1727). The root and 

 herbage are violently poisonous, and the seeds somewhat so. 



6341. The root of the preceding species. 



6342. Aconite. Monk's-hood. — The flowering plant of Aconitum Napellus L. 



(See No. 2532). All parts of the plant, especially the root (which is used 



in medicine) are deadly heart-paralyzants. 

 •6343. The roots of the preceding species. 

 •.6344. Larkspur. Delphinium.— The flowering plant of a species of Delphinium 



(Same family). The larkspurs are natives of the north temperate zone 



and many are favorite cultivated flowers. All parts are violently poisonous, 



especially the seeds, which are used in medicine. 



6345. Larkspur, or Delphinium, seeds. — The seeds of D. Consolida L. or of D. 



Ajacis L. Natives of Europe and cultivated for ornament. 



6346. Black cohosh. Cimicifuga. — The flowering plant of Cimicifuga racemosa 



(L.) Nutt. (See No. 4920). The roots and the seeds are poisonous, the 

 former being used in medicine. Collected by Clute & Wilson in Pelham 

 Park, New York, July 28, 1899. 



6347. The roots of the preceding species. Collected by Clute & Wilson in Pelham 



Park, New York, July 28, 1899. 



6348. Red baneberry, or Actaea. Red cohosh. — The flowering and fruiting 



branches of Actaea rubra (Ait.) Willd. (See No. 4924). The roots and 

 the berries are poisonous. 



