HAMAMELIDACEAE 51 



zag twigs; roundish homogeneous pale pith; alternate 2- 

 ranked somewhat raised crescent-shaped leaf-scars with 3 

 separated or transversely aggregated bundle-traces; elongated 

 stipule-scars; large scaly buds; rather large ovate stalked 

 bristly-toothed subpalmately nerved leaves; racemed perfect 

 polypetalous yellow flowers appearing before the leaves; and 

 partly inferior dry fruit. 



Flowers 2 or 3 in a raceme. C. pauciflora. 



Flowers about 8 in a raceme. C. spicata. 



HAMAMELIS. Witch Hazel. 



Deciduous shrubs with rather slender rounded somewhat 

 zig-zag twigs; somewhat angular homogeneous pale pith; alter- 

 nate 2-ranked somewhat raised crescent-shaped or half round 

 leaf -scars with 1 aggregate bundle-trace; triangular stipule- 

 scars; frequently superposed buds, naked or the lateral stalked 

 or quickly developing into small clusters of globose flower- 

 buds; rather large roundish stalked crenate subpalmately 

 nerved leaves; small lateral clusters of perfect flowers with 

 long fringe-like distinct yellow petals; and ovoid small hard 

 fruits, 2-lobed with notched valves, above the adherent calyx- 

 rim. 



1. Leaves tomentose beneath. H. mollis. 

 Leaves not tomentose. 2. 



2. Flowering in autumn, with ripe fruits. H. virginiana. 

 Flowering in winter or spring. 3. 



3. Calyx attached to the lower half of fruit. H. vernalis. 

 Calyx attached to the lower third of fruit. . H. japonica. 



FOTHERGILLA. Dwarf Alder. 



Deciduous shrubs with rather slender rounded somewhat 

 zig-zag twigs; somewhat angular homogeneous pale pith; alter- 

 nate 2-ranked little-raised half-round leaf-scars with 1 bundle- 

 trace; triangular stipule-scars; ovoid sessile buds with a pair 

 of stipular scales; rather large roundish stalked leaves sub- 

 palmately nerved, and toothed above the middle; small perfect 

 pale flowers in terminal spikes; and globose small hard fruits, 



