ADDISONIA 75 
(Plate 38) 
OPUNTIA VULGARIS 
Tall South American Prickly Pear 
Native of eastern South America 
Family CACTACEAE Cactus Family 
Opuntia vulgaris Mill. Gard. Dict. ed. 8. Opuntia no. 1. 1768. 
Cactus monacanthos Willd. Enum. Pl. Suppl. 33. 1813. 
Opuntia monacantha Haw. Suppl. Pl. Succ. 81. 1819. 
Cactus indicus Roxb. F1. Indica 2: 475. 1832. 
Opuntia Lemaireana Console; A. Weber, in Bois, Dict. Hort. 894. 1898. 
Opuntia paraguayensis Schum. Monatsschr. Kakteenk. 9: 149. 1899. 
Opuntia bonaerensis Speg. Contr. Fl. Tandil 18. 1901. 
Opuntia Arechavaletai Speg. Anal. Mus. Nac. Buenos Aires III. 4: 520. 1905. 
An erect, often much branched cactus, sometimes twelve feet 
high, in greenhouse cultivation seldom over six feet high, the 
period of time, is obovoid and sometimes proliferous. 
This cactus is indigenous in eastern Brazil, Paraguay, Uruguay, 
and Argentina, where it runs into several races, differing in the 
number and length of spines, shape of the joints, and color of the 
flowers. ‘The synonymy above cited does not include all the names 
it. 
which have been associated with i 
