IO NATURAL HISTORY AND TOPOGRAPHY OF GROTON, MASS. 



Common Meadow- Sweet. Spiraea salicifolia. Quasoponagon 

 meadows. June 20. 



Steeple-Bush. Spiraea tomentosa. Pasture by river. July 14. 



Purple Flowering-Raspberry. Rubus odoratus. Rare. July 29. 



Common High Blackberry. Rubus villosus. Thickets. May 7. 



Low Blackberry. 1 >ewberry. Rubus Canadensis. Woods. July. 



Running Swamp-Blackberry. Rubus hispidus. Woods. July. 



Dalibarda repens. Our woods. July 20. 



Avens. Geum album. Quasoponagon meadows. May 25. 



Water Avens. Geum rivale. Quasoponagon meadows. May 20. 



Wild Strawberry. Fragana Virginiana. Fields and meadows. 

 April 20. 



F"i\e-Finger. Potentilla arguta. Rockwood's pasture. April 12. 



Silvery Cinque-foil. Potentilla argentea. Red Bridge. June 3. 



Shrubby Cinque-foil. Potentilla fruticosa. Lower Ayer road. 

 July 30. 



Three-Toothed Cinque-foil. Potentilla tridentata. Elm Avenue. 

 June 10. 



Common Cinque-foil or Five-Finger. Potentilla Canadensis. Fields 

 and roadsides. April 30. 



Common Agrimony. Agrimonia Eupatoria. Roadsides. July 1. 



Wild Rose. Rosa blanda. Rockwood's pasture. June 16. 



Carolina Rose. Rosa Carolina. June 20. 



Rosa lucida. June 21. 



Rosa humilis. River pasture. June 15. 



Rosa canina. Red Bridge. June 30. 



Sweetbrier. Eglantine. Rosa rubiginosa. Foot of Long Hill. 

 June 28. 



Choke-Berry. Pyrus arbutifolia. Roadsides. May 10. 



Early Saxifrage. Saxifraga Virginiensis. Rockwood's pasture. 

 April 18. 



False Mitre-wort. Tiarella cordifolia. Black Pond. May 12. 



Mitre-wort. Bishop's-Cap. Mitella diphylla. Black Pond. 

 June 20. 



Wild Black Currant. Ribes floridum. Woods. June 20. 



I >itch Stone-crop. Penthorum sedoides. Ditches. July 30. 



Garden Orpine. Live-for-ever. Aaron's Rod. Pudding Bag. 

 Witch's Monev Bag. Blowers. Sedum Telephium. Roadsides. 

 July .. 



Round-Leaved Sundew. Drosera rotundifolia. July 17. 



American Sundew. Drosera intermedia. Our woods. June 17. 



