CONTENTS 



PAGE 



FOREWORD ....... vii 



KEY . . . . . . . . xi 



GLOSSARY . . . . . . . xxix 



FAMILIES 



Pine (Pinacece) ...... 3 



Cat-tail (Typhacece) 6 



Bur-reed (Sparganiacece) .... 9 



Pondweed (N aiadacece) . . . .10 



Water-Plantain (Alismacece) . . .11 

 Arum (Aracece) ...... 15 



Duckweed (Lemnaceoe) . . . . .18 



Pipewort (Eriocaulacece) .... 19 



Yellow-eyed Grass (Xyridacece) ... 20 

 Pickerel-weed (Pontederiacece) ... 21 

 Lily (Liliaceoe) . . . . . .23 



Iris (Iridacece) . . . . .34 



Orchid (Orchidacece) ..... 39 



Willow (Salicacece) . . . . .52 



Sweet Gale (Myricacece) . . . .57 



Walnut (Juglandacece) ..... 60 



Birch (Betulacece) 61 



Beech (Fagacece) . . ... .63 



Sandalwood (Santalacece) .... 70 



Buckwheat (Polygonacece) .... 72 



Goosefoot (Chenopodiaceoe) . . . .80 



Pink (Caryophyllacece) ..... 84 



Water Lily (Nymphceacece) .... 98 



Crowfoot (Ranunculacece) . . . 100 



Laurel (Lauracece) . . . . . . 105 



