52 



CONIFERS. 



Thuja occidentalis, L Arbor- vitse. White Cedar 



Goat Island. Near DeVaux College. The most abundant of the 

 evergreens growing near the Falls. 



Juniperus communis, L " Juniper 



Goat Island. , 



Juniperus Virginiana, L Red Cedar 



Goat Island. Apparently disappearing. 



Taxus baccata, L., var. Canadensis, Graj'. Ground Hemlock 

 American Yew. 



Goat Island. 

 Pinus Strobus, L White Pine 



Goat Island. A few specimens. More plentiful and of larger 

 growth near De Vaux College and below. 



Tsuga Canadensis, Carriere. (Abies Canadensis, Michx.) . Hemlock 

 Goat Island. Not a prevailing tree. 



HYDROCHARIDACE^. 



Elodea Canadensis, Mich. (Anacha7'is Canadensis, Planch.) 



Water Snake- Weed. 



In the old mill-race above the Falls on the American side and 

 elsewhere. 



Vallisneria spiralis, L Tape-grass. Ell-grass 



With the last. 



ORCHIDACEtE. 



Corallorhiza multiflora, Nutt Coral root 



Near the Whirlpool, Ontario. 



Spiranthes latifolia, Ton- Ladies' Tresses 



Wet places near Clifton, Ontario. 



Spiranthes cernua, Rich Ladies' Tresses 



In the same places as the last. 



Habenaria Hookeri ana, Torr. (Habenaria Hookeri, Torr.) Twa 

 Blade. 



Near the Whirlpool, Ontario. 



Habenaria hyperborea, R. Br. 



Goat Island near the Horse-shoe Fall. 



Cypripedium pubescens, Willd . . Ladies' Slipper. Moccasin 



Flower. 



Near De Vaux College. 

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