20 



SALICACEAE 



leaves; dioecious naked flowers in catkins; and small flask- 

 shaped stalked capsules with numerous cottony seeds. 



1. Leaves green and glabrate on both sides. 2. 

 Leaves whitened beneath. 3. 



2. Leaves narrow. S. nigra. 

 Leaves 3 cm. wide, glossy. S. pentandra. 



3. Leaves woolly beneath. 4. 



Leaves finally glabrous, or else silky beneath. 6. 



4. Leaves narrow, revolute. 



Leaves broad, often crisped: catkins large. 



5. Not weeping. (Goat willow). 

 Weeping. (Kilmarnock willow). S 



6. Leaves broad, veiny beneath. 7. 

 Leaves narrow r or elongated. 8. 



7. Young catkins large. (Pussy willow). 

 Catkins small and slender. 



8. Leaves glabrous, little whitened beneath. 

 Leaves silky or else distinctly white beneath. 



9. Leaves white-silky on both faces. 

 Leaves glabrate above. 10. 



10. Twigs golden yellow. 



Twigs bright red. S. 



Twigs green: habit weeping. 



S. incana. 

 5. 



S. caprea. 

 caprea pendula. 



S. discolor. 



S. cordata. 



S. fragilis. 

 9. 



S. alba. 



S. vitellina. 



vitellina Britzensis. 



S, babylonica. 



Family MYRICACEAE. Bayberry Family. 

 A simall 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 

 reddish rather hard wood with minute scattered ducts and 

 fine medullary rays; slender twigs; continuous irregular pith; 

 alternate half-round low small leaf-scars with 3 bundle-traces; 

 no stipule-scars; round sessile buds with about 3 exposed scales; 

 oblong entire or coarsely few-toothed or deeply and regularly 



