DODECANDRIA. 105 



I. MONOGYNIA. 



143. LYTHRUM. 



I. L. salicaria, stem square, 2 or 3 feet high ; leaves opposite, 

 lanceolate, heart-shaped at the base; flowers in whorled leafy- 

 spikes, purple ; stamens 12. Purple Loosestrife. 



Hab. Rough bogs and marshy places. Haiden and Aller- 

 ton Mill deans; Tweed banks above Norham, &c. 

 July, Aug. I/. 



II. DIGYNIA. 



144. AGRIMONIA. 



1. A. eupatoria, hairy, 2 feet high ; stem-leaves pinnate, leaf- 

 lets elliptic-oblong, terminal one stalked ; calyx encompassed 

 with bristles ; flowers numerous, yellow, in an elongated taper- 

 ing spike. Common Agrimony. 



Hab. Borders of fields, and on dry banks, frequent. June, 

 July. H 



The astringent and bitter qualities of this plant render it 

 mildly tonic and stimulant; but it is rather a popular 

 than a classical medicine, and makes the principal and 

 most efficacious part of some empirical herb-teas Eng. 

 Bot. 



III. TRIGYNIA. 



145. RESEDA. 



1. R. luteola^ leaves lanceolate, undivided ; calyx in four seg- 

 ments ; flowers yellowish, numerous, in long terminal clusters. 

 Dyer's Rocket. 



Hab. Waste grounds, and dry gravelly pastures, common. 

 July. 



The dried stems yield, by decoction, a yellow colour, and 

 are much used in dyeing wool, silk, and cotton. 



E3 



