(292) 
6367. Wild cherry.—The flowering and fruiting branches of Padus virginiana (L.) 
Mill. (See No. 2614). The leaves and seeds yield prussic acid when taken 
into the stomach with water, and both have caused death. Collected by 
J. K. Small at Columbia, Pennsylvania, May and July, 1891. 
6368. Locust. False Acacia.—The flowering branches of Robinia pseudacacta L. 
(See No. 5209). Bark and seeds narcotic-poisonous. Collected by J. K. 
Small in Smith County, Virginia, May 14, 1892. 
6369. Wild indigo. Dyer’s green-weed. (See No. 1297). The roots are medicinal 
and poisonous in over-doses. 
6370. The roots of the preceding species. 
6371. Wood-sorrel. Ladies’ sorrel. Shamrock.—The flowering plant of Oxalis 
Acetosella L. (See No. 2677). Contains oxalic acid and has caused 
poisoning when eaten in excess as a salad. 
6372. Castor-oil plant—The flowering branches of Ricinus communis L. (See 
No. 1656). ‘The seeds are violently poisonous. 
6373. The seeds of the preceding. 
6374. Rue. Garden rue. Ruta.—The flowering branches of Ruta graseolens L. 
(See No. 2688). It contains an extremely poisonous volatile oil. 
6375. Poison ivy. Three-leaved ivy. Mercury.—The flowering and fruiting 
branches of Toxtcodgndron radicans (L.) Kuntze (Anacardiaceae—Sumac 
Family). Native of eastern and central North America. The plant 
contains a fatty oil that produces intense poisoning of the skin of many 
persons. Collected by J. K. Small at Lancaster, Pennsylvania, August 15, 
1899. 
6376. The same in formaldehyde solution. 
6376.1. Spotted touch-me-not.—The herbage of Impatiens biflora Walt. (Bal- 
saminaceae—Balsam Family). Native of eastern and central North 
America. Collected by H. H. Rusby. The fresh juice is said to be an 
antidote to ivy poisoning, and it is therefore here included. 
6377. Poison dogwood. Poison oak. Poison sumac.—The flowering and fruiting. 
branches of T. Vernix (L.) Kuntze. Native of eastern North America. 
Poisonous like No. 6375. Collected by P. Wilson at Woodlawn, New 
York, August 17, 1899. 
6378. Poison oak.—The branches of T. diverstfolia (Engelm.) Greene. Native 
of western North America. Collected by H. H. Rusby in the San Ber- 
nardino Mountains, California, August 3, 1909. Poisonous like the’ pre- 
ceding. 
6379. Dwarf poison oak.—The branches of T. Rydbergit (Small) Greene. Native 
of the Rocky mountains. Poisonous like the preceding. Collected_by 
H. H. Rusby in Buffalo Creek Cafion, Colorado, September 14, 1909. 
6380. Guao.—The leaves of Comocladia cladophylla Rich. (Same family). Native 
of the West Indies. Violently poisonous like the preceding. Collected in 
Cuba, July, 1906, and presented by H. H. Rusby. ‘ 
6381. Cardol.—A fatty poisonous substance existing in the preceding five species 
and in many others of the same family. Presented by Merck & Company. 
6382. Horsechestnuts. Aesculus.—The flowering and fruiting branches of Aesculus 
Hippocastanum L. (Hippocastanaceae—Horse-chestnut Family). Native 
of Asia and everywhere cultivated for ornament. The seeds and the bark 
are poisonous. Collected in the New York Botanical Garden. 
