I 



6 FLORA OF VERMONT 



P. nigra, Link. '(P. Mariana, B. S. P.) Swamp or Black Spruce. Common 

 in sphagnum swamps of the Champlain and upper Connecticut valley. 

 The dwarf form, var. semiprostrata, occurs on the summit of Mt. Mans- 

 field, Eggleston. ■ 



P. rubra, Link. (P. nigra, var. rubra Engehn. ; P. rubens, Sarg. ) Red 

 Spruce. Common, especially on rocky mountain sides. 



PINUS. Pine 



P. Banksiana, Lambert. (P. divaricata, Sudw.) Jack Pine. Monkton, 

 Robinson; Starksboro, Pringle; Fairfax, i?aYes. But few trees at each 

 station. - 



P. resinosa, Ait. Red or Norway Pine. Dry rocky soil; frequent. ' 



P. rigida, INIill. Pitch Pine. Barren sandy soil. Common in the north- 

 ern Champlain valley, less frequent in the Connecticut valley. 



P. Strobus, L. White Pine. Common, especially in the Champlain and 

 Connecticut valleys. 



TAXrS. Yew 



T. Canadensis, Willd. (T. minor. Britton.) Ground Hemlock. Moist banks 



and hills; frequent. 



THUYA. Arbor Vit.e 



T. occidentalism L. Commonly but wrongly called "White Cedar. Swamps 

 and rocky banks; common. 



TSUGA. Hemlock 

 T. Canadensis, Carr. Rocky woods and swamps; common. 



ANGIOSPERMS. MONOCOTYLEDONS 



TYPHACEAE. CAT-TAIL FAMILY 



SPARGANIUM. Bur-reed 



S. androcladum, Morong. (S. simplex, Huds., var. androcladum, Engehn.) 

 Bogs and shallow water; common. 



S. androcladum, var, fluctuans. Morong. (S. simplex, Huds. var. fluitans, 

 Engehn.) Floating in ponds; occasional. 



S. eurycarpum, Engelm. Borders of ponds and rivers; frequent in western 

 Vermont. 



