LOOSESTRIFE TRIBE. 221 



1. LYTHRUM (Purple Loosestrife). 



1. L. Salicdria (Purple Loosestrife, or Willowstrife). 

 Leaves opposite, long, and narrow, heart-shaped at 

 the base ; flowers whorled, in leafy spikes ; stamens 12. 

 Watery places ; abundant. An exceedingly hand- 

 some plant, 2 4 feet high, generally growing on river 

 banks, among sedges and rushes, and sending up tall, 

 tapering spikes of purple flower, which seen from a 

 distance might be mistaken for Foxgloves. Fl. July, 

 August. Perennial. 



* L. hyssopifolia (Hyssop-leaved Purple Loosestrife) 

 is a much smaller plant, 4 6 inches high, with alter- 

 nate leaves, and solitary purple flowers, with 6 stamens. 

 It grows in moist places, but is far from common. 



PEPLIS pdfeTULA ( Water Purslane}. 



2. PEPLIS ( Water Purslane}. 



1. P. Portula (Water Purslane). A humble, creep- 

 ing, aquatic plant, with opposite smooth leaves, and 



