8 NATURAL HISTORY AND TOPOGRAPHY OF GROTON, MASS. 



Sweet William. Dianthus barbatus. Escaped. July. 



Bouncing Bet. Soapvvort. Saponaria officinalis. Fields and 

 roadsides. July 5. 



Bladder Campion. Silena Cucubalus. Fields. July 10. 



Wild Pink. Silena Pennsylvanica. Fields. July 3. 



Night-Flowering Catchfly. Silena noctiflora. Fields. July 29. 



Common Chickweed. Stellaria media. Damp places. July i . 



Long-Leaved Stitchwort. Stellaria longifolia. Damp places. June 5. 



Mouse-Ear Chickweed. Cerastium viscosum. Fields. May 15. 



Field Chickweed. Cerastium arvense. Fields. May 20. 



Sand Spurry. Buda rubra. Roadsides. July 10. 



Purslane. Portulaca oleracea. Cultivated fields. July 5. 



Spring-Beauty. Claytonia Virginica. Rare. May i. 



St. John's-Wort. Hypericum ellipticum. Wet places. June 20. 



Common St. John's-Wort. Hypericum perforatum. Fields. June 27. 



St. John's-Wort. Hypericum maculatum. Meadows. July i. 



Orange-Grass. Pine-Weed. Hypericum nudicaule. Sandy road- 

 sides. June. 



Small St. John's-Wort. Hypericum mutilum. Quasoponagon 

 meadows. June. 



Marsh St. John's-Wort. Elodes campanulata. Swamps. July. 



Common Mallow. Malva rotundifolia. Door-yards and waste places. 

 June 6. 



Musk Mallow. Malva moschata. Escaped. July 10. 



Common Flax. Linum usitatissimum. Cultivated fields. August 3. 



Wild Geranium. Wild Cranesbill. Geranium maculatum. Road- 

 sides. May ID. 



Herb Robert. Geranium Robertianum. Rare. June. 



Ladies' Sorrel. Yellow Wood Sorrel. Oxalis corniculata. Also 

 variety stricta. Fields and roadsides. June i. 



Common Wood-Sorrel. Oxalis Acetosella. Rare. Wood. June. 



Pale Touch-Me-Not. Jewel-Weed. Impatiens pallida. Wet 

 places. July 10. 



Spotted Touch-Me-Not. Impatiens fulva. Roadsides. July. 



Black Alder. Winterberry. Ilex verticillata. Long Hill. May 20. 



Wax-Work. Climbing Bitter-sweet. Celastrus scandens. Love 

 Lane. June 10. 



New Jersey Tea. Red-Root. Ceanothus Americanus. North 

 End. June 10. 



Northern Fox-Grape. Vitis Labrusca. Nashua River bank. 

 June I. 



