Pluchca— Xanthium. 201 



'M 17. Clibadiuni I. inn. 



Clibadium erosum DC. Prod. V (18;;5()) 500; Uriw. V\. :',68; 

 Duss 3i\± 



Saba: Mountain (i— 800 M. : n. ITU. 



Portorico, Dominica, Martiniiiue, St. Vincunt. (][erli. Krug ot 

 Urban). 



9l;iO. Acanthospermum Schrank. 



Acanthospermum humile DC. Prod. V (1836) 522; Oris. Pi. 369; 



Millspaugli 5M;!. 



St. Martin: Cul de Sac— Marigot 0—200 M. : n. 26.57 B.; aiong 

 roads from l<'ilipsl)urg to Marigot : n. 310il B. 



St. Croix e.x MilispauglT. 



Jamaica, Cuba, Haiti, Panama. (Oris. PI.). 



9138. Parthenium Linn. 



Parthenium Hysterophorus Linn. Spec. (1753)988; Oris. Pi. 369; 

 Duss 365; Millspaugh 535. 



St. Eustatius: in a garden in Oranjestad : n. 79 B., 10; along 

 roads in Oranjestad : n. 520 B., 3 G., 3 H. 



Saba: Laddergut: n. 1954 6., 11; Mountain neai- Windward- 

 side 600 M. : n. 2165 B.; locality unknown: n. 56 L., 95 L. 



St. Martin: from Pilipsburg to Guanabay: n. 2398 B. 



Anguilla Boldingh. 



St. Croix ex Millspaugh. 



AntilL, Amer. sept, and centr., and in other parts of both 

 hemisph. (E. a. P.). 



9146. Ambrosia Linn. 



Ambrosia hispida Purcli. PI. Am. Sept. Suppl. (181-t) 743. 



Ambrosia crllhmlfoUa DC. Prod. V (1836) 525. 



St. Eustatius: in a garden in Oranjestad: n. 157 G., 1102 B. 



Saba: along roads between Bottom and Windwardside 200 M. : 

 n. 1:303 B.; Windwardside: n. 1949 B. 



St. Martin: from Pilipsburg to Belvedere: n. 2561 B. 



Florida. (Ind. Kew.). Also cultivated. 



9148. Xanthium Linn. 



Xanthium orientale Linn. Spec. (1763) 1400; Duss :364. 

 Saba : Bottom : n. 62. 

 In almost all warmer countries of both hemisph. (E. a. P.). 



