196 GLOSSARY. 



Undershrub. A woody plant forming the ground-covering 

 under or between trees and larger shrubs : here made to in- 

 clude evergreen herbs. 



Urceolate. Urn-shaped (flowers of heath). 



Valvate. With the edges meeting but not overlapping, as applied 

 to sepals, bud-scales, etc. 



Variegated. Striped or margined or mottled with some color 

 other than green, as applied to leaves. 



Variety. A subdivision of a species. When written trinomially, 

 as in this book, varietal names that are adjectives agree in 

 number and gender with the generic name : when prefixed 

 by' the abbreviation var., they are feminine. 



Veins. The woody bundles in a leaf. 



Velvety. Essentially the same as downy. 



Vernal. ' The same as spring, as applied to wood. 



Vertical. With edges vertical, as applied to foliage-sprays. 



Villous. With 1'ong spreading hairs. 



Vine. A slender-stemmed climbing or trailing plant : classically, 

 the grape vine. 



Weeping. Conspicuously drooping or pendent, as applied to 

 branches and twigs. 



Whorl. A group of 3 or more branches, flowers, or leaves,, 

 coming from one point on the stem. Whorled leaves are, 

 frequently found in place of opposite leaves (deutzia, 

 hydrangea), but rarely replace alternate leaves (desert -wil-. 

 low). 



Winged. With thin border or appendage (fruit of elm or 

 maple, twigs of some species of spindle tree, etc.). 



Winter-node. The point at which a winter-bud has existed : 

 usually marked by crowded narrow scars corresponding to 

 the fallen scales after the bud has developed. 



Wood-parenchyma. Tissue that accompanies ducts and trache- 

 . ides in the wood. 



Woolly.' Pubescent with long curving tangled hairs. 



