Thomson's methods for doing this included steam baths, the use of cayenne pepper, laxatives, and administration of the emetic " Lobelia inflata " ( also known as " Indian tobacco " or " puke weed " ).
2.
"Lobelia puberula " is similar to two other " Lobelia " species in to the Eastern United States, " Lobelia inflata " ( Indian tobacco ) and " Lobelia siphilitica " ( great lobelia ); all display the characteristic " lip " petal near the opening of the flower and the " milky " liquid the plant excretes.
3.
"Lobelia cardinalis " is related to two other " Lobelia " species in to the Eastern United States, " Lobelia inflata " ( Indian tobacco ) and " Lobelia siphilitica " ( great lobelia ); all display the characteristic " lip " petal near the opening of the flower and the " milky " liquid the plant excretes . " L . siphilitica " has blue flowers and is primarily pollinated by bees, whereas " L . cardinalis " is red and is primarily pollinated by the ruby-throated hummingbird ( " Archilochus colubris " ).