Vascular Bundle 



A strand consisting of Xylem (q. v.) and Phloem (q. v.) 



in plants. 



Vascular Cylinder 



A vascular bundle with associated tissues in stems and 

 roots of plants, cf. Stele. 



Vascular Plant 



A plant in the phylum Tracheophyta which includes the 

 pteridophytes (ferns and their allies) and the spermatophytes 

 (seed plants). 



Vector 



An organism, usually an insect, that transmits a patho- 

 genic virus, bacterium, protozoon, or fungus from one organ- 

 ism to another, e.g., Tsetse fly (q. v.). 



Vegetable Ball 



A more or less spherical mass of plant material consist- 

 ing of algae, other water plants, needles of trees, etc., formed 

 by wave action in shallow water on sandy shores. 



Vegetal 



See Vegetative. 



Vegetation 



Plants in general, or the sum total of plant life in an 

 area. cf. Flora, Floristic, Community. 



Vegetational 



Refers to Vegetation, in contrast to Vegetative (q. v.). 



Vegetation (Vegetational) Cover 



The sum total of plants and plant materials such as 

 leaves, stems, and fruits that forms coverage on the surface 

 of the soil; sometimes used in a more restricted sense to 

 designate the sum of living plants on an area. 



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