considering the habits of such plants, is probable; but it is 
doubtful whether it will flower well without high heat. 
The peculiar colour of its flowers renders it strikingly 
different from Ipomea scabra, Horsfallie, tyrianthina, rubro- 
cerulea, or any of the other showy species now commonly in 
cultivation ; and its roots, which are said to be like red beet, 
form a singular part of its character, Such a variety of the 
Sweet Potato is mentioned by Marcgraaf. 
The whole genus Batatas seems to have large fleshy roots; 
the B. edulis, which is the common eatable Sweet Potato, the 
B. paniculata, which has large turnip-shaped roots that yield a 
kind of Jalap, and the present plant, are apparently mere types 
of the prevalent character of the genus, which has been struck - 
off Ipomoa by M. Choisy, principally on account of the ovary 
being 4-celled, with one seed in each cell, instead of 2-celled, 
with 2 seeds in each cell, 
