Flowering Plants. 627 



Pinus L. - 



Lamb. Black Spruce. 

 pendula, Ait. Hackmatack. Tamarack. 

 resinosa, Lamb. Norway Pine. A. and Worcester Co. 

 rig-ida, L. Pitch Pine. 

 strobus L. White Pine. 

 Taxus L. 



Canadensis, W. Dwarf Yew. A. Very common. 



SUB-CLASS II ENDOGYNAE OR MONOCOTYLED- 

 ONOUS PLANTS. 



TRIBE I. PETALOIDEAE. 



ALISMACEAE. 



Alisma L. 



Plantag-o, L. Water Plantain. 

 Sagittaria L. 



acutifolia, Ph. Arrow Head. 



heterophylla, Ph. 



obtusa, W. N. B. Var. of S. Sagittif. 

 sagittifoila, L. Arrow Head a latifolia. (5 gracilis. 



HYDROCHARIDEAE. 



Udora Nutt. 



Canadensis, Nutt. Serpicula verticillata, Muhl. 

 Vallisneria L. 



spiralis, L. Tape Grass. Cambridge and Connecticut river. 



XYRIDEAE. 



XyrisL. 



Caroliniana, Lam. Yellow-eyed Grass. 



HYPOXIDEAE. 



Hypoxis L. 



erecta, L. Star Grass. 



IRIDEAE. 



Iris L. , A. , 



versicolor, L. 'WtW Iris. Blue Flag. 



Virg-inica, Torrey. Gracilis, Big 1 . Boston Iris. 

 Sisyrinchium L. 



anceps, L. Blue-eyed Grass. 



ORCHIDEAE. 



Aplectrum Nutt. 



II hyemale, Nutt. Putty Root. Adam and Eve. Conway. 

 Cymbidium hyemale, W. 



