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. 



Vittce. The longitudinal oil-tubes in the pericarp of 

 most umbelliferse. 



Whorl. An arrangement of leaves, flowers, etc., around 

 the stem. 



