GENERA AND SPECIES 



Typhace^ . 



Typha lati folia . 

 TypJm angustifolia 



Naiadace^ 



Potamogeton natans 



Alismace^ . . . 



Sagittaria latijolia . 



Vallisneriace^ . 



Vallisneria spiralis . 



Lemnace^ 

 Lemna minor 



Commelinace^ . . . 

 Tradescantia Virginiana 



PONTEDERIACEiE . 



Pontederia cordata . 



LiLIACEiE .... 



H enter ocallis fulva . 

 Liliimi Canadensis . 

 Lilium siiperhum 

 Liliiim Philadelphicum 



Iridace^ .... 

 Iris versicolor 

 Belamcatida Chinetisis 



Saururace^ . 

 Saiirurus ccrnuus 



Cat-Tail Family ^^ge 



Broad-Leaved Cat-Tail . 3 

 Narrow-Leaved Cat-Tail . 5 



PoNDWEED Family 



Common Floating Pond- 

 weed 6 



Water Plaintain Family 

 Broad-Leaved Arrow- 

 Head 8 



Tape-Grass Family 



Eel-Grass 10 



Duckweed Family 

 Duckweed 13 



Spiderwort Family 



Spiderwort 15 



Pickerel-Weed Family 



Pickerel-Weed .... 17 



Lily Family 



Tawny Day-Lily . . . 19 



Meadow Lily .... 21 



Turk's-Cap Lily ... 22 



Red Lily 24 



Iris Family 



Blue Flag 26 



Blackberry-Lily ... 29 



Lizard's-Tail Family 



Lizard's-Tail .... 31 



XV 



