LXV. COMPOSITE. 271 



Chthonocephalus, Steetz. 

 pseudoevax, Steetz. 

 Carpesium, Linn. 

 cernuum, Linn. 



Tribe Y. — Helianthoide.e. 

 '■ : Acanthospermum , Sch rank. 



hispidum, DC. — Star Burr. A noxious weed, now known by 

 some as " Bindii " (see note. p. 259). 



*Ambrosia, Linn. 



artemisiasfolia, Linn. — In America known as Ragweed, Hay- 

 weed, Oxtail, Bitter-weed, and Roman Wormwood, and 

 considered a troublesome weed ; bas also put in an 

 appearance in some Queensland paddocks, 

 maritima, Linn. — A Burr-plant ; a noxious weed. Africa. 

 *Xanthium, Linn. 



spinosum, Linn. — Bathurst Burr; a noxious weed. Mediter- 

 ranean Regions, 

 strumarium, Linn. — Noogoora Burr; a noxious weed. Medi- 

 terranean Regions. 

 Zinnia, Linn. 



australis, Bail., 01. Bot. Bull. ii. 14. (Fig. 241.) 

 *pauciflora, Linn. = Z. multiftora, Linn. — America. 

 Siegesbeckia, Linn. 



orientalis, Linn. — A cure for ringworm (T. Christy). 

 Enhydra, Lour. 



paludosa, DC. 

 Eclipta, Linn. 



alba, Hassk. — Yields a black dye. Used in Ceylon as an 

 alterative, as having the power to change a morbid state 

 of the system to a healthy one without disturbance, 

 platyglossa, F. v. M. 

 Blainvillea, Cass. 

 latifolia, DC. 

 Wedelia, Jacq. 



calendulacea. Less. — Considered useful as an alterative, 

 urticifolia, DC. 

 spilanthoides, F. v. M. 

 biflora, DC. 

 asperrima, Benth. 

 *hispida, H.B. and K- — Mexico. 

 *Yerbesina, Linn. = Ximcnesia, Cav. 



encelioides, Benth. and Hook. — Dogweed of America. An 

 abundant weed on some of the Downs farms (see 01. 

 Agric. Jl. xxviii. (1912) 357, PL 358). 



