512 SMITHSONIAN MISCELLANEOUS COLLECTIONS [VOL. 5° 



OPUNTIA KLEINIAE DC. 



Opuntia kleiniae DC. Mem. Mus. Paris 17: 118. 1828. 

 Opuntia wrightii Engelm. Proc. Am. Acad. 3: 308. 1856. 



Type locality: Mexico. 



Distribution : Texas to Central Mexico. 



OPUNTIA LEPTOCAULIS DC. 



Opuntia leptocaulis DC. Mem. Mus. Paris 17: 118. 1828. 



Opuntia ramuliftora Salm-Dyck, Hort. Dyck. 360. 1834. 



Opuntia vaginata Engelm. in Wisliz. Mem. North. Mex. 100. 1848, in part. 



Opuntia frutescens Engelm. Bost. Journ. Nat. Hist. 5: 208. 1845. 



Opuntia virgata Link & Otto ; Pfeiff. Enum. Cact. 173. 1837. 



Opuntia gracilis PFEiFF. Enum. Cact. 172. 1837. 



Type locality : In Mexico. 



Distribution : South Central United States to southern Mexico. 

 Illustrations: Pac. R. Rep. 4: pi. 20. figs. 1-5; pi. 24. figs. 16-19; 

 Cact. Journ. 1: 154; Bull. Torr. Club 32: pi. 10. fig. p. 

 Two varieties are usually recognized. 



OPUNTIA RAMOSISSIMA Engelm. 



Opuntia ramosissima Engelm. Am. Journ. Sci. II. 14: 339. 1852. 

 Opuntia tessellata Engelm. Proc. Am. Acad. 3:309. 1856. 



Type locality: In California, "near the Colorado." 

 Distribution: Arizona, California, and Sonora. 

 Illustrations: Pac. R. Rep. 4: pi. 21; pi. 24. fig. 20; Encycl. Am. 

 Hort. 3 : fig. 1549; Cact. Journ. 1 : 2. 



OPUNTIA ARBUSCULA Engelm. 



Opuntia arbuscala Engelm. Proc. Am. Acad. 3:309. 1856. 



Type locality : On the lower Gila near Maricopa village. 

 Distribution : Arizona and Sonora. 

 Illustration : Bull. Torr. Club 32 : pi. p. fig. j. 



Series CRUCIFORMES (Subgenus CONSOLEA) 



This is a sharply defined and homogeneous group with some claim 

 for consideration as a genus, as proposed by Lemaire. 



OPUNTIA SPINOSISSIMA Mill. 



Opuntia spinosissima Mill. Gard. Diet. ed. 8. no. 8. 1768. 



Type locality: Jamaica. 

 Distribution : Jamaica. 



