63 (62) Plants with filiform (threadlike) segments of the leaf 64 



63 (62) Plants with leaf broader, segments or lobes not threadlike 65 



64 (63) Coarse plants of the dunes 

 with huge tap root; large 

 cluster of basal leaves with 

 filiform segments to 10 cm 

 long, with expanded petiole 

 at the nodal joint; leaves of 

 flower stem similar; large 

 panicle of green to bronze 

 flowers on stem arising from 



base Artemisia caudata, 



Wormwood 



Figure 66.— Leaf XL 



64 (63) More delicate plants of marshes, with fi- 

 brous roots; stem branching subdichoto- 

 mous, leaves delicately filiform to 5 cm 

 long; flowers white, small, in terminal 



umbels Ptilimnium capillaceum, 



Mock Bishop's Weed 



Figure 67. — Leaf with filiform divisions XL 



65 (63) Leaves 2.5-15 cm long, bipinnately 

 parted into fine divisions like a fern 

 leaf, odor strong and disagreeable 



when leaf is crushed; flowers white <A^^^^^^^=^ 



(rarely pink) in flat topped crowd- rtx??=^^^\c-^^^^i^'^ 



ed corymbs; common plant on 



beaches and waste places 



Achillea millefolium. Figure 68. — Leaf XL 



Yarrow 



65 (63) Leaves not as above 66 



29 



