VEGETATIVE KEY TO HIGHER PLANTS OF BEACHES, DUNES, AND 



TIDAL MARSHES 



1 Woody plants, trees and/or shrubs more than 2 ft tall 2 



(Caution: before proceeding, see description of Poison Ivy in couplet 6 be- 

 low; also a few herbaceous plants have a woody caudex or underground basal 

 woody structure.) 



1 Herbaceous plants 24 



2 (i) Needle or scale leaved trees, evergreen; cones or berrylike cones present 3 



2 (1) Broad leaved trees or shrubs, cones or berrylike cones not present 4 



3 (2) Needle leaves in bundles 

 of three; seeds in a cone. 



Pinus rig Ida, 



Pitch Pine 



Figure 1. — Leaves XI- 



3 (2) Scaly leaves, opposite or in whorls of three, spiny on ju- 

 venile stems, adpressed to twigs on mature stems; berry- 

 like cone Juniperus virginiana, 



Red Cedar 



Figure 2. — Mature twig X2, 



4 (2) Simple leaves (single blade) (see Fig. 8, 9) 9 



4 (2) Compound leaves (three or more leaflets to a blade) (see Fig. 4, 5) 5 



5 (4) Palmately compound or trifoliate leaves (see Fig. 3, 4) 6 



5 (-4) Pinnately compound leaves (see Fig. 5) 7 



4 



