BRITTON AND ROSE] OPUNTlOID£AE OF NORTH AMERICA 537 



OPUNTIA STREPTACANTHA Lemaire 



Opuntia streptacantha Lemaire, Nov. Gen. & Sp. 62. 1839. 

 Opuntia pseudo-tuna Schum. in Engl. & Prantl. Nat. Pflanzenf. 36a: 201. 

 1893, not Salm-Dyck. 



Type locality: San Luis Potosi. 

 Distribution : Mexico. 



Illustrations : Engl. & Prantl, loc. cit. ; U. S. Dept. Agr. Bur. PI. 

 Ind. Bull. 116: pi. 1. 



OPUNTIA CANDELABRIFORMIS Mart. 



Opuntia candclabriformis Mart.; Pfeiff. Enum. Cact. 159. 1837. 



Type locality : Mexico. 

 Distribution : Mexico. 



OPUNTIA SPINULIFERA Salm-Dyck 



Opuntia spinulifera Salm-Dyck, Hort. Dyck. 364. 1834. ■ 



Type locality : Mexico. 

 Distribution : Mexico. 



OPUNTIA ROBUSTA Wendl. 



Opuntia robusta Wendl. Cact. Hort. Herrnh. 1835. 

 Opuntia flavicans Lemaire. Nov. Gen. & Sp. '61. 1839. 



Type locality : Mexico. 

 Distribution : Mexico. 



OPUNTIA MEGACANTHA Salm-Dyck 



Opuntia megacantha Salm-Dyck, Hort. Dyck. 363. 1834. 



Type locality : In Mexico. 



Distribution : Cultivated in Mexico and Jamaica. 



Series STENOPETALAE. 

 Large white-spined plants with narrow petals. 



OPUNTIA GLAUCESCENS Salm-Dyck 



Opuntia glaucescens Salm-Dyck, Hort. Dyck. 362. 1834. 



Type locality : In Mexico. 

 Distribution: Mexico. 



