436 THE NURSERY-MANUAL 



feet long) planted at the base of trees, upon which the plant climbs. 

 See also Orchids, page 372. 



Velvet Bean (species of Stizolobium). Leguminosce. 



Frost-tender and requiring a long season, grown only far South ; 

 raised from seed sown where the crop is to grow ; often planted with 

 Indian corn. Formerly included in the genus Mucuna. 



Venidium. Composites. 



Increased by seeds, the plants usually being treated as annuals. 



Veratrum (False or White Hellebore). Liliacece. 

 Grown by seeds and by division. 



Verbascum (Mullein). Scrophulariacece. 



Grown readily from seeds sown in the ordinary way ; also by 

 greenwood cuttings and division. 



Verbena (Vervain). Verbenacece. 



Propagated by seeds sown indoors or in the open ; also by cuttings 

 of vigorous shoots ; some species by division. The common garden 

 verbena is usually treated as an annual, although often carried 

 over winter by cuttings. Outdoor plants may be cut back in early 

 fall and new growths suitable for cuttings will arise ; in this way the 

 particular varieties may be perpetuated. 



Vernonia (Ironweed). Composites. 



Raised from seeds, division and cuttings, mostly by division. 



Veronica (Speedwell). Scrophulariacece. 



Propagated by seeds and division ; shrubby sorts often by cuttings 

 in spring or summer. 



Verschaffeltia. Palmacecs. 

 Grown from imported seeds. 



Vesicaria. Cruciferce. 



Annuals propagated by seeds ; perennials by division. 



Vetch : Vicia. 



Viburnum. Caprifoliacece. 



Increased by seeds, which should be stratified or sown in fall. 

 They usually remain dormant the first year. Layers usually make 

 excellent plants (Fig. 61). Green cuttings made in summer and 



