418 



Kudbeckia hirta, Linn. 



laciniata, Linn. Cone-flower. 



pinnata, Mx. 



purpurea, Linn, 

 Euellia strepens, Linn. Ruel, 

 Rumex acetosellus, Linn. Field sorrel. 



acutus, Linn. 



brittanicus, Linn. 



crispus, Linn. Yellow dock. 



S. 



Sabbatia angularis, Pursh. American centaury. 

 Sagittaria sagittifolia, Linn. Arrow-head. 

 Salix Muhlenbergia, Ww. Speckled willow. 



recurvata, Pursh. Shrub willow. 



rosmarinifolia, Linn. Rosemary willow. 

 Sanguinaria canadensis, Linn. Blood-root. 

 Sambucus canadensis, Linn. Black-berried elder. 



pubescens, Persoon. Red-berried elder. 

 Sanguisorba canadensis, Linn. Burnet saxifrage. 

 Sanicula marylandica, Linn. Sanicle. 

 Saponaria officinalis, Linn. Soap wort. Bouncing Bet. 



vaccaria, Linn. Field soap wort. 

 Sarracenia purpurea, Linn. Side-saddle. 

 Saururus cernuus, Linn. Lizard's tail. 

 Saxifraga pennsylvanica, Linn. Water saxifrage. 

 Scheuchzeria palustris, Linn. Less flowering rush. 

 Schoenus mariscoides, Muhl. Water bog-rush. 

 Schollera graminea, Barton. Yellow-eyed water-grass. 

 Scirpus acicularis, Linn. 



acutus, Muhl. 



americanus, Persoon. 



autumnalis, Linn. 



brunneus, Muhl. 



capillaris, Linn. 



capitatus, Linn. 



erisphoruo, Mx. 



