Oe | Lobelia inflata. 
plant. It is ‘extremely common throughout the United States, grow- 
ing on the way sides, in clayey or sterile soils; in neglected fields ; 
and not unfrequently in moist grounds, and on the margins of ditches 
and field-drains. It is found in every road running from the city of 
Philadelphia to the neighbouring country, and is particularly abun- 
dant about Darby, and inthe roads running through Belmont woods. 
It commences flowering in the last days of July, and continues in 
bloom till the end of October, and even as late as the first week of 
November. On the eighth day of last November, whilst travelling 
from Washington to Baltimore, I observed many specimens in full 
bloom along the road sides, and I subsequently saw a few flowering 
individuals on the 16th of November, in the roads through Belmont 
woods. 
The Lobelia inflata i is aaa = some to be an annual ; aby 
others a biennial ; and Mr. Elliot, in his Southern Flora, says it is 
a perennial plant. Linnzeus, Willdenow, Pursh, and other. foreign 
botanists, have set it down in their books as an annual. I have al- 
ways. considered it a biennial, and have therefore so called it at the 
head of this banter. 
This lati has been accused in New England and elsewhere of 
producing the slavers in horses. It seems to be a matter of consi- 
derable importance to the farmers, to ascertain the real plant which 
thus affects their horses, if indeed it be any one particular plant. I 
