58 MYRICACEAE. 



8. Leaves white-silky on both faces. S. alba. 

 Leaves glabrate above. 9. 



9. Twigs golden yellow. S. vitellina. 

 Twigs green : habit weeping. S. babylonica. 



Family MYRICACEAE. Bayberry Family. 

 A small family of shrubs or small trees with aromatic 

 foliage, the wax which encrusts the fruit of some species used 

 in a small way for making candles. 



MYRICA. Bayberry. 



Deciduous mostly aromatic shrubs or small trees with red- 

 dish rather hard wood with minute scattered ducts and fine 

 medullary rays ; slender twigs ; continuous irregular pith ; alter- 

 nate half-round low small leaf-scars \vith 3 bundle-traces; no 

 stipule-scars ; round sessile buds with about 3 exposed scales ; 

 oblong entire or coarsely few-toothed or deeply and regularly 

 lobed leaves with golden glands beneath ; small naked imperfect 

 flowers in short catkins ; and small rounded aggregates of dry 

 fruits often very waxen. 



1. Leaves elongated, deeply lobed. (Sweetfern). M. asplenifolia. 

 Leaves short, toothed toward the end or entire. 2. 



2. Leaves much narrowed at base : low shrub. 3. 

 Leaves oblanceolate. 4. 



3. Leaves pubescent beneath. M. Gale. 

 Leaves, glabrate. M. Gale subglabra. 



4. Leaves characteristically obtuse : shrubby. M. carolinensis. 

 Leaves more acute : rather tree-like. M. cerifera. 



Family LEITNERIACEAE. Corkwood Family. 

 A family consisting of only the following genus with a 

 single species of no decorative value but sometimes grown as 

 a curiosity because of its extremely light wood. 



LEITNERIA. Corkwood. 



Deciduous little-branched swamp shrubs with rather stout 

 terete twigs ; very light pale wood with moderate ducts in short 

 subtangential series and very fine medullary rays ; rounded con- 



