375 



the calyx shorl, cut almost to the bottom inlo five narrow acuLc scg- 

 ments: the corolla is pale purple, ap])eaiiiiii late in July, aud oAen 

 followed by seeds which ripen in autumn. It is a native of North 

 America, liowering in August and .Scptend)cr. 



The second species has white liowers, moderately sweet-scented. 

 It is a native of North America, dowering in July and August, 



The third has upright stalks, of a pur|)lish colour, closely covered 

 with white spots, and about three feel high: the leaves about three 

 inches long, and one broad at their base, ending in acute points. 

 Towards the upper j)art of the stalks are small branches opposite, 

 each terminated by a small bunch of flowers; but on the top of the 

 principal stalk is a long loose spike of flowers, composed of small 

 bunches from the axils at each joint; each cluster l)a\ ing one com- 

 mon peduncle near an inch long, but the pedicels are shoi'l. The 

 flowers are of a bright purple colour, and a])pear late in July: if 

 the season be temperate, or the soil moist, they continue in beauty 

 a great part of August, but rarely perfect seeds in tliis eliniale. Il 

 is a native of North America, flowering in Auuust. 



The fourth species has the stalks about a fool high: (he Ica\cs 

 narrow-lanceolate, ending in acute points, sessile, a link? hairy: the 

 ca.lyx cut into acute segments almost to the bottom: the lube of the 

 corolla slender and pretly long, cut at lop inlo five ovate spreading 

 segments: the flowers light |)urple, appearing at th(> end of June, 

 but seldom producing seeds in this climate. It is a native of North 

 America. 



The fifth resembles the sixth, but the stem is three times as higli, 

 and somewhat rugged: the leaves wi(i(^r, and ovate-lanceolate: the 

 corymb consisting of numerous flowers, wilh several peduncles from 

 the uppermost axils of the leaves, erect, and fasligiale inlo a sort of 

 corymb of a dark [)urple colour. It grows naturally in Carolina, 

 flowering fiom July to September. 



The sixth sjjecies has the stalks near a foot and half high, dividing 

 inlo three or four small branches towards the toj), each terminated 

 by a coi'ymb of flowers: the lower leaves oi)posile, t'nee inches long, 

 and near half an inch broad at the base, ending in long acute points 





