198 



POPULAR GARDEN BOTANY. 



monopetalons, inferior ; stamens included ; stigma capitate ; cap- 

 sule three-celled. 



Named from the Greek for Bindweed and similar, from 

 the similarity to the Convolvulus. Some species of this 

 beautiful genus are hardy, many are raised in the stove, and 

 will not flourish in a cooler atmosphere ; but the following 

 will bear the greenhouse, and are highly ornamental as 

 climbers : — I. Purshii, candicans, tyriantliina, Michauxii, 

 Carolina, sinuata, and longifolia are American species, 

 having either white, purple, whitish-red, or rose-coloured 

 flowers; pendula, purple-flowered, is from Australia, and 

 dasysperma is from the East Indies : with the exception of 

 the last, these are perennials. I. simplex, a South African 

 species, has a root about the size of an apple, very un- 

 couth in appearance, and yet it produces the most lovely 

 clusters of flowers from the base of the stem; in the f Bo- 

 tanical Magazine' it is thus described: — "It is one of the 

 Ipomoeas that is best worth cultivating, for it only needs a 

 small pot, placed in a greenhouse, and no trellis or apparatus 

 to support the stems, which at most do not exceed a foot 

 in length, and are clothed with long, slender, grass-like 

 leaves ;" these leaves are three or four inches long, narrow, 

 and having waved margins : " the corolla is very large, of a 



