xiv APPENDIX. 
Vexillum. The large upper petal of a papilionaceous 
flower. : ; 
Villous. Bearing long and soft straight, or straightish, 
hairs. : 
Virgate. Slender, straight and erect. 
Vitte. The longitudinal oil-tubes in the pericarp of 
most umbellifere. 
Whorl, An arrangement of leaves, flowers, etc., around 
the stem. 
