BRITTON AND ROSE] OPUNTIOIDEAE OF NORTH AMERICA 525 



Type locality : On the Brazos River, Texas. 



Distribution : Texas. 



Illustration : Pac. R. Rep. 4 : pi. II, figs. 2, 3. 



Series SUBINERMES 

 Upright or bushy plants with few spines or none. 



OPUNTIA LANCEOLATA Haw. 



Opuntia lanceolata Haw. Syn. PI. Succ. 192. 1812. 

 Cactus lanceolatus Haw. Misc. Nat. 188. 1803. 



Type locality: South America (?). 



Distribution : West Indies. 



Plants tentatively referred to this species were collected by Drs. 

 Britton and Millspaugh on Cat Island, Bahamas, but the young joints 

 are quite spiny with yellowish spines about 1 cm. long ; the old joints 

 become spineless. 



OPUNTIA INERMIS DC. 



Cactus opnntia inermis DC. PI. Succ. Hist. 2: sub pi. 138. 1799. 

 Opuntia inermis DC. Prod. 3:473. 1828. 



Opuntia vulgaris balearica WebER in Bois, Diet. Hort. 894. 1897, as 

 synonym. 



Type locality : Tropical America. 



Distribution : Florida and West Indies. 



Illustrations: DC. PI. Succ. Hist. pi. 138; Tussac, Fl. Ant. 2: 



pl- 34- 



We place this species and the preceding one in series Subinermes 

 rather than Vulgares. 



OPUNTIA CRASSA Haw. 



Opuntia crassa Haw. Suppl. PI. Succ. 81. 1819. 



Opuntia parvula Salm-Dyck, Hort. Dyck. 364. 1834. 



Opuntia glaberrima Link & Otto; Pfeiff. Enum. Cact. 153. 1837. 



Type locality: Mexico (?). 

 Distribution: Mexico. 



OPUNTIA FICUS-INDICA (L.) Mill. 



Cactus ficus-indica L. Sp. PK 468. 1753. 

 Opuntia ficus-indica Mill. Gard. Diet. ed. 8. no. 2. 1768. 

 Opuntia vulgaris TenorE, Syll. Fl. Neap. 239. 1831, not Mill. 

 Cactus opuntia Guss. Fl. Sic. Prod. 559. 1827-28, not L. 



Type locality : Tropical America. 



