86 HAMAMELIDACEAE, 
6. Fruit bristly. R. Grossularia. 
Fruit neither bristly nor prickly. R. oxyacanthoides. 
7. Petiole shorter than blade: buds glabrous. R. alpinum. 
Petiole longer than blade: buds pubescent. R. vulgare. 
Family HAMAMELIDACEAEF. Witch Hazel Family. 
A small family including such trees as Liquidambar, which 
yields the valuable sweet-gum lumber; chiefly shrubs. 
CoRYLOPSIS. 
Deciduous shrubs with slender or moderate rounded zig-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, sub- 
palmately 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. 
