The VEGETABLE SYSTEM. 
13 
3. FORKED STONE WORT. 
Plate 91. Fig. 5. 
CharaAer of the Species. Verbefina Acmella di&a. 
The Stalk fplits forkwife : and the Flowers (land in the 
divilions : the Leaves have Footftalks. 
Fig. 5. a b. 
This alfo is an Annual, native of Ceylon : the famous Acmella, 
whofe Seeds cure the gravel : it is a foot and a half high : the Stalks 
are reddifh : the Leaves are of a frefh green, and the Flowers are 
yellow. 
4. THREE RIB’D STONEWORT. 
Plate 91. Fig. 6. 
CharaAerof the Species. Verbefina Lavenia. 
The Leaves are oval and fmooth, and have three confpi- 
cuous ribs. 
Fig. 6. a b. 
This 5 s an Annual, native of Ceylon, and flowers in July: the 
Stalk is two feet high, and brownilh : the Leaves are of a frelh 
green, and the Flowers are yellow. 
5. WHITE STONEWORT. 
Plate 91. Fig. 7. 
CharaAer of the Species. Verbefina alba. 
The Leaves ftand in pairs : they are lanced, and fharply 
ferrated. 
Fig. 7. a b. 
This is a Biennial, native of Virginia, and flowers in Auguft : 
it is a foot high : the Leaves are frelh green : and the Flowers are 
white. 
The radiated Verbefinas have been defcribed in the Second Volume. 
VOL. III. 
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