THE SEED PLANTS OF TORONTO 
Potamogeton pectinatus, L. 
. perfoliatus, L. 
praelongus, Wulf. 
pusillus, L. 
zosterifolius, Schumacher. 
Most of these species grow in Ashbridge’s Bay; 
and several in Howard Lake. 
Zannichellia palustris, L. (Horned Pondweed). 
Najas flexilis, Rostk. Found in abundance in still 
water. 
JUNCAGINACEAE (Arrow Grass Family). 
Scheuchzeria palustris, L. Grows on the Island. 
Triglochin maritima, L. (Arrow Grass). 
a palustris, L. Both species grow on the 
Island. 
ALISMACEAE (Water-plantain Family). 
Sagittaria arifolia, Nutt. Toronto Island and Bond 
Lake. 
graminea, Michx. 
heterophylla, Pursh. Toronto Island. 
“ latifolia, Willd. (Arrow-Head). 
Alisma plantago-aquatica, L. (Water Plantain). 
“ 
“cc 
Hyprocuarrracear (Frog's Bit Family). 
Elodea canadensis, Michx. (Water Weed). Howard 
Lake and Toronto Island. 
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