Nov., 1903 .] Poisonous and Other Injurious Plants. 
19 
45. Veratrum viride Ait. American White Helebore. Roots 
are poisonous. 
46. Veratrum woodii Robb. Wood’s False Helebore. Poison- 
ous like the preceding species. 
47. Lilium superbum L. Turk’s-cap Lily. The pollen is said 
to cause skin poisoning. 
48. Asparagus officinalis L. Asparagus. Will sometimes blis- 
ter the skin of those who work with it. The seeds are 
used as a substitute for coffee. 
49. Convallaria majalis L. Lily-of-the-valley. All parts of the 
plant are very poisonous to man, horses and cattle. 
50. Trillium grandiflorum (Mx.) Salisb. Large-flowered Wake- 
robin. Emetic. Contains saponin. 
51. Trillium erectum L. Ill-scented Wake-robin. Rhizome 
somewhat poisonous. 
52. Smilax rotundifolia L. Round-leaved Greenbrier. A case 
of poisoning from eating the young leaves is reported. 
53. Iris versicolor L. Large Blue-flag. Underground parts 
are poisonous. 
54. Cypripedium reginae Walt. Showy Lady’s-slipper. ( C. 
spectabile Swz. ) Poisonous to the skin, much like 
Poison Iv}’. At least 50 per cent, of persons are suscep- 
tible. 
55. Cypripedium hirsutum Mill. Large Yellow Lady’s-slipper. 
( C. pubescens Willd. ) Poisonous like the preceding 
species. 
56. Cypripedium parviflorum Salisb. Small-flowered Lady’s- 
slipper. This .species is also poisonous, but to a less 
extent than the other two. 
Dicotyi.kdones. 
57. Toxylon poiniferum Raf. Osage Orange. The thorns 
produce poisonous wounds in the skin. Horses acqi:irea 
strong liking for the 3’onng shoots and eat them in large 
quantities withoiR apparent ill effects. 
58. Hmnulus lupuliis L. Hop. Hop pickers often have an 
inflammation of the hands. 
59. Cannabis sativa L. Hemp. The resin of this plant is a 
powerful narcotic. An intoxicating drink is prepared 
from the dried leaves. The leaves and other parts are 
smoked tor their intoxicating and narcotic effects. 
60. Urtica dioica L. Stinging Nettle. Stinging and injurious 
to the .skin. 
61. Urtica gracilis L. Slender Nettle. Injurious to the skin 
of man and horses. 
(To be continued.) 
