12 NATURAL HISTORY AND TOPOGRAPHY OF GROTON, MASS. 



Button-Bush. Cephalanthus occidentalis. Quasoponagon mead- 

 ows. July 15. 



Partridge-Berry. Mitchella repens. Pine woods. June 14. 



Cleavers. Goose-Grass. Galium Aparine. Quasoponagon mead- 

 ows. July 20. 



Small Bedstraw. Galium trifidum. Meadows. July 13. 



Rough Bedstraw. Galium asprellum. Meadows. June 20. 



Joe-Pye-Weed. Eupatorium purpureum. Quasoponagon mead- 

 ows. July 20. 



Thoroughwort. Boneset. Eupatorium perfoliatum. Quasopon- 

 agon meadows. August 7. 



White Snake-root. Eupatorium ageratoides. Meadows. August. 



Golden Rod. Solidago squarrosa. Shattuck's corner. August 5. 



Solidago bicolor. Roadsides. August 20. 



Solidago speciosa. Roadsides. August 20. 



Solidago odora. Sweet Golden Rod. Roadsides. August 15. 



Solidago rugosa. Roadsides. August 15. 



Solidago ulmefolia. Fields. August 29. 



Solidago arguta. Roadsides. July 16. 



Solidago juncea. Roadsides. September 2. 



Solidago serotina. Roadsides. August 25. 



Solidago rigida. Roadsides. August 29. 



Solidago lanceolata. Roadsides. August 5. 



Solidago latifolia. Roadsides. August 20. 



Tall White Aster. Aster umbellatus. Roadsides. August 30. 



Aster corymbosus. Red Bridge. August 21. 



New England Aster. Aster Novae- Angliae. Rare. August 1. 



Aster patens. Roadsides. September 3. 



Aster cordifolius. August 30. 



Aster sagittifolius. Roadsides. September 3. 



Aster multiflorus. Roadsides. August 20. 



Aster linariifolius. Roadsides. September 5. 



Aster puniceus. Roadsides. September 5. 



Horse-Weed. Butter-Weed. Erigeron Canadensis. Fields and 

 roadsides. May 20. 



Daisy Fleabane. Sweet Scabrious. Erigeron annuus. Fields and 

 roadsides. June 3. 



Daisy Fleabane. Erigeron strigosus. Fields. June 3. 



Robin's Plantain. Erigeron bellidifolius. Long Hill. May 21. 



Common Fleabane. Erigeron Philadelphicus. Roadsides. 

 June 10. 



