364 GARDEN FLOWERS. 



about June turn yellow, and die down, but little bulbs will 

 have formed : some take them up and replant them ; but, if 

 they are not too thick, they may be left until the next year. 

 It will be five or six years before they bloom. The Van 

 Thol Tulip, a pretty early sort, is the T. suaveolens : this 

 blooms naturally in April, and is very well adapted for 

 forcing even much earlier than this. Few of the other 

 species are cultivated except as curiosities. 



T. Gesneriana (Gesner's) ; hardy bulb ; 2 feet ; flowers red 

 or striped, in May ; Levant ; 1577. The florists' varieties are of 

 a garden origin. T. oculis soils (sun's-eye) ; hardy bulb ; i foot ; 

 flowers red, with dark eye, in April; Italy; 1816. T. pratcox 

 (early) ; hardy bulb ; 9 inches ; flowers scarlet and yellow, in 

 April ; Italy ; 1825. T. suaveolens (Van Thol) ; hardy bulb ; 

 6 inches ; flowers scarlet and gold, in April ; south of Europe ; 

 1603. T. Turcica (Florentine) ; hardy bulb ; 9 inches ; flowers 

 yellow, in April ; south of Europe. 



There are some twenty other species. 



TULIP-TREE. See LIRIODENDRON. 



TUSSILAGO. Coitus-foot. [Compositae.] A genus of hardy 

 or half-hardy plants, doing best in rich loamy soil. Propa- 

 gated easily by division. The species are T. alba, Alpina, 

 discolor, farfara^ fragrans, frigida, Icevigata, nivea, palmata, 

 and sagittata. . 



