26 NATURAL HISTORY AND TOPOGRAPHY OF GROTON, MASS. 



GYMNOSPERMS. THE PINES. 

 Pine. Soft Pine. Pinus Strobus. Common. Native. 



Pinus resinosa. 



Native. 



White 

 June. 



Red Pine. Norway Pine. Canadian Pine 

 Native. Mr. James Lawrence's woods. June. 



Pitch Pine. Hard Pine. Pinus rigida. Common. 

 April. 



Austrian Pine. Pinus laricia Austriaca. Cultivated. 



Scotch Pine. Pinus sylvestris. Cultivated. 



Gray or Northern Scrub Pine. Pinus divaricata. Native. 



White Spruce. Picea rubens. Woods. Native. April. 



Black Spruce. Picea mariana. Woods. Native. May. 



Norway Spruce. Picea excelsa. Cultivated. Roadsides, 



Hemlock. Tsuga Canadensis. Rockwood's pasture. 

 April. 



Larch. Larix laricina. Mr. James Lawrence's woods. 

 May. 



European Larch. Larix Europaea. Main Street. Cultivated. May. 



Balsam Fir. Abies balsamia. Native. Mr. F. D. Lewis's yard 

 May. 



Arborvitae. Thuja occidentalis. Cultivated hedges. May. 



White Cedar. Cypressus thyoides. Woods. Native. April. 



Juniper. Ground Cedar. Juniperus communis. Rockwood's 

 pasture. Native. April. 



Red Cedar. Savin. Juniperus Virginiana. Rockwood's pasture. 

 Native. April. 



June. 

 Native. 



Native. 



