20 (19) Leaves linear lanceolate with 

 pinnate dentations (fernlike), 

 hairy on one or both surfaces, 

 wax dots prominent on upper 

 surface of leaf; branches darker 

 grey; bristled dry fruit (nut). 



Comptonia peregrina, 



Sweet Fern 



Figure 20.— Leaf Xl- 



21 (19) Trailing shrubs; bark papery red to ashy and ex- 

 foliating; leaves obovate to spatulate, evergreen, 

 leathery; fruit a dull red drupe; forms large mats 

 on sandy surface of back dunes and sea cliffs. 



Arctostaphylos uva-ursi, 



Bearberry 



Figure 21.— Stem and leaves X2. 



21 (19) Erect shrubs; bark and leaves various; fruit various 22 



22 (21) Leaves of stem broadly ovate, 7-18 

 cm long, 3-lobed, dark green above, 

 lower surface covered with light 

 pubescence; stems woody with large 

 pith (one-half width of stem) ; large 

 pink flowers, 4-10 cm broad (in some 

 areas flowers white with pink cen- 

 ter) ; fruit a capsule; plants of the 

 brackish fringe of the tidal marshes. 



Hibiscus palustris, 



Marsh Mallow 



Figure 22.— Leaf X %• 



22 (21) Leaves of stem small to 4 cm in length, not'lobed; stem with pith not visible; 

 flowers small, various colors; fruit various; plants generally of older dunes or 

 hollows of dunes 



23 



11 



