APPENDIX. 



187 



AcoRus. 6. 1. 



calamus. Sweet flag. 

 Tradescantia. 6. 1. 



virginica. Spider-wort. 

 Helonias. 6. 3. 



dioica. False unicorn-wort 

 Veratrum. 6. 3. 



viride. Itch-weed. June. 

 Alisma. 6. 3. 



plantago. Water-plantain. 

 Sagittaria. 20. 13. 



sagittifolia. Arrow-head. 



lali folia. do. 



hetcrophylla. Diverse-leafed do 



graminea. Grassy do. 

 SCHEUZERIA. 6. 3. 



palustris. Flowering rush. 

 Eriocaulon. 20. 13. 



gnaphaloides. Pipe-wort. 



POTAMOGETON. 4. 4. 



natans. Pond-weed. June. 

 jluitans. do. do. 



gramineum. Grassy do. July, 

 perfoUatum. do. 



May. Beside lowland brooks. 



June. Gardens. 



May. Moist woods ; Stockbridge, 

 Alluvial soil ; also on high brooks. 

 July. Low, wet places. 



June. Low brooks, 

 do. do. 



Aug. Pond on Taconic Mt. 

 do. do. 



June. do. 



July. 



do. 



Aquatic ; rivers, ponds, 

 do. do. 



do. low, muddy bottoms 

 Ponds: Pittsfield, 



ponda. 



