74 (73) Leaves showing irregular serrations or slight undulating border, or even slight- 

 ly pinnatifid (pinnately cleft) 



74 (73) Leaves entire. 



75 

 79 



75 (74) Leaves long petioled, lanceolate to 

 lance-ovate, irregularly toothed; 

 terminal raceme of deep red flow- 

 ers; plants of the freshwater border 



of tidal marshes Lobelia cardinalis, 



Cardinal Flower 



75 (7-4) Leaves not as above 



Fi^re 78.— Leaf XV2. 



76 



76 (75) Stems with scattered silky hair or dense wooly hair 77 



76 (75) Stems smooth, no hairs 78 



Figure 79.— Stem and leaf X%. 



77 (76) Stem with scattered silky hair; 

 leaves narrowly to broadly 

 lanceolate, border undulate, 

 crowded on stem, passing into 

 bracts below the flowers, short 

 appressed hairs more abundant 

 on under surface, leaves fre- 

 quently tipped with red; flowers 

 yellow opening late afternoon; 

 fruit a conical capsule to 3 cm 

 long, crowded on terminal por- 

 tion of stem; plants of beaches 



and dunes Oenothera parviflora, 



Evening-Primrose (other spe- 

 cies of genus may occur, 0. hum- 

 ifusa in New Jersey and Dela- 

 ware) 



77 (76) Stems densely covered with white wooly hair, 

 leaves narrowly lanceolate, undulate borders, 

 sessile, dense wooly hair on the undersurface; 

 flowers in crowded terminal corymbs, pearly 

 white and drying like straw flowers ; plants of 



back dunes and protected areas 



Gnaphalium obttisifolium, 



Common Everlasting, Cudweed 



Figure 80. — Stem and leaves XL 



33 



