80 



pendulous. It is a native of \^irginia, and flowers from July to Sep- 

 tember. It is perennial. 



The second species has the roots perennial, and creeping. The 

 stems arc brown, and about two feet in height. The leaves are 

 smooth, in pairs, abounding with a milky juice, like the former. 

 Towartls the upper part of the stem, the flowers come out from the 

 Avings of the leaves, in small bunches, and are of an herbaceous white 

 colour, and snialL It is admitted for the sake of variety. It flowers 

 as above; and is a native of the same place. 1"he stems alibrd a 

 hempy substance. 



In tlie third the root is likewise perennial, and creeping. The 

 stems annual, upright, lound, branched, a foot and half in height, 

 and filled with a white pith. The leaves opposite, sharpish, (juite 

 entire, subsessile; the upj)er ones on the extreme twigs petioled, not 

 revolute. The peduncles umbellcd, and terminating. The flowers 

 small, and inodorous. The leaflets of the calyx are oblong, con- 

 cave, erect, and green. The corolla wliite, and longer than the ca- 

 lyx. Between the filaments there is a roundish, green gland. The 

 whole plant is smooth, and abounds with a milky juice. It is a na- 

 tive of North America, and flowers in June and July. 



The fourth species has the root perennial, and creeping. The 

 stems about two feet high. The leaves opposite and smooth. The 

 flowers grow erect, at the top of the stems in small umbels, and are 

 much larger than in the former sorts. It is a native of the islands in 

 the Adriatic sea, and flowers in July and August. 



There are varieties with purple, and with white flowers. 



In the fifth the stem is wood}', five or six feet in height, dividing 

 into several branches. Leaves opposite, petioled, smooth, quite entire. 

 The peduncles from the axils, opposite; being oppositely branched. 

 The corolla salver-shaped. The flowers are in loose bunches, small, 

 and of a purple colour; but never succeeded by pods in this coun- 

 . try. It is a native of the East Indies, &c. 



The sixth species has a twining stem, by which it rises to a con- 

 , siderable height. The leaves arc dark green, very shining, with a 



