428 THE NURSERY-MANUAL 



employed. Lilacs will grow for a time when worked on the ash. 

 Grafting succeeds when performed in the open air. Grafting (veneer 

 method) is usually a spring operation and budding a summer opera- 

 tion. The " syringa " of common speech is Philadelphia. 



Tabernaemontana. Apocynacece. 

 Propagated by greenwood cuttings. 



Tagetes (Marigold). Composites. 



Grown from seeds, sown either indoors or out; hardy annuals 

 as known in flower-gardens. The pot marigold is Calendula. 



Tamarindus (Tamarind). Legwninosce. 



Commonly grown from seeds. Varieties may be layered by the 

 so-called Chinese or gootee method (air-layering), and probably 

 by shield-budding on common seedling stocks. 



Tamarix (Tamarisk). Tamdricacece. 



Generally increased by ripe cuttings in the open or by green- 

 wood cuttings under glass ; also by seeds, which should be only 

 slightly covered. 



Tangelo. Rutaccas. 



Hybrids of tangerine and pummello, propagated as for citrus. 



Tansy (Tanacetum). Composites. 



Propagated readily by dividing the old clumps. 



Taro : Colocasia. 



Tarragon (Artemisia Dracunculus). Composite. 



An aromatic perennial herb, multiplied chiefly by division or 

 cuttings of old and green wood. Seeds may be used, but are not 

 often produced. 



Taxodium (Bald Cypress). Pinacece. 



Seeds sown in spring are usually employed. Layers and cuttings 

 of young wood in wet sand, or even water, under cover, are also used. 

 The varieties may be veneer-grafted in spring on T. distichum. 



Taxus (Yew). Taxaceas. 



Propagated by seeds, sown when gathered or else stratified 

 (germinating second year) ; also by layers and cuttings of green 

 wood under glass in summer, or of mature wood, as recommended 



