A FIELD GUIDE IN NATURE-STUDY 



Brown-eyed Susan 



Goldenrods 



Asters 



ee Flowers with black dots along the 



edges of the yellow petals Common St. John's- wort 



dd Flowers small but in good-sized clusters 

 e Flower clusters daisy-like, with brown 



center 

 ee Flower heads clustered into brilliant 



masses of yellow 



eee Flowers green, fruit a nutlet with 

 corky wings (see "Dock" under IV, 

 p. 20) 



cc Plants with white or purple flowers in daisy- 

 like heads 

 bb Leaves lance-shaped 



c Leaves sessile, with sheathing stipules; one 

 of the smartweeds with pink flowers and 

 crescent-shaped, purple blotches on the 

 leaves is known as lady's-thumb (see Gray 

 for other species) 

 cc Leaves petioled; plant large, with purple 



berries having red juice 

 ccc Some asters, goldenrods, and sunflowers 



come here (see Gray for species) 

 bbb Leaves halbert-shaped (Fig. 3^), of acid flavor, 



ovoid 



bbbb Leaves large; root large and pink 

 aa Leaves with toothed or wavy edges 



b Leaves broad, oval or halbert-shaped 



c Leaves, at least the basal ones, ovate; 

 sometimes three-pointed, like a goose's foot 

 d Blossoms green, inconspicuous; seeds 



black 



dd Blossoms white, like potato plant; fruit 

 a purple berry 



Smartweed 



Pokeweed 



Sheep Sorrel 

 Rough Amaranth 



Lamb's-Quarters 



cc Leaves halbert-shaped (Fig. 3) 



Nightshade 

 Halbert-leaved Orach 



bb Leaves narrow, at least the lower ones lance- 

 shaped 

 c Individual flowers large 



d Flowers yellow; seed pods four-angled 



(Fig. 30) 

 dd Flowers purplish, pink, or whitish 



e Flowers clustered in terminal racemes 

 ee Flowers solitary at ends of upper 



branches 



cc Individual flowers small, in daisy-like heads 

 d Ray flower'white 



Evening Primrose 



Willow Herb 



Gaura 



dd Ray flower][purplish 



Canada Fleabane 

 Philadelphia Fleabane 



