356 



4canthace(z. 



Thunbergia alata is a very handsome perennial from India 

 and Africa, which is ordinarily treated as annual. It is a 

 twining plant with hastate petiolate leaves, the petioles winged, 



Fig. 190. Acanthus spinosus. (J nat. size.) 



and solitary axillary pedunculate nearly regular flowers 

 with a broad spreading limb. They are variously coloured : 

 either white, buff, pale yellow or orange, with a purplish-black 

 centre, or uniformly orange or white. 



