528 SMITHSONIAN MISCELLANEOUS COLLECTIONS [vol. 50 



OPUNTIA DILLENII (Ker-Gawl.) Haw. 



Cactus dillenii Ker-Gawl. Bot. Reg. 3: pi. 255. 1818. 

 Opuntia dillenii Haw. Suppl. PI. Succ. 79. 1819. 



Type locality : Not cited. 



Distribution : Coasts of Florida, Bermuda, West Indies, and Vera 

 Cruz. 



Illustrations : Dill. Hort. Elth. pi. 396. fig. 382; Bot. Reg. loc. cit. ; 

 DC. PI. Succ. Hist. 2 : pi. 13J, as Cactus cochenillifer. 



OPUNTIA TUNA (L.) Mill. 



Cactus tuna L. Sp. PI. 468. 1753. 

 Opuntia tuna Mill. Gard. Diet. ed. 8. no. 3. 1768. 

 Cactus humilis Haw. Misc. Nat. 187. 1803. 

 Opuntia humilis Haw. Syn. PI. Succ. 189. 1812. 

 Opuntia polyantha Haw. Syn. PI. Succ. 190. 1812. 

 Cactus polyanthus Sims, Bot. Mag. 53: pi. 2691. 1826. 

 Opuntia horrida Salm-Dyck; DC. Prod. 3:472. 1828. 



Type locality : Jamaica and tropical America. 



Distribution : West Indies. 



Illustrations: Dill. Hort. Elth. pi. 295. fig. 380; Bot. Mag. loc. cit; 

 Descourt. Fl. Pict. Antilles pi. 513, as Cactus opuntia; Forst. Handb. 

 Cact. ed 2. fig. 130, as 0. polyantha. 



Our studies indicate that the common plant of the Jamaica low- 

 lands is to be taken as the type of Cactus tuna L. 



OPUNTIA CACAPANA Griffiths & Hare 



Opuntia cacapana Griffiths & Hare, Bull. N. Mex. Coll. Agr. 60: 47. 1906. 



Type locality: Encinal, Texas. 

 Distribution : Southern Texas. 



OPUNTIA LINDHEIMERI Engelm. 



Opuntia lindheimeri Engelm. Journ. Bost. Soc. Nat. Hist. 6:207. 1850. 



Type locality: About New Braunfels, Texas. 

 Distribution : Texas and Tamaulipas. 

 Clearly distinct from 0. engelmamii. 



OPUNTIA LINDHEIMERI DULCIS (Engelm.) Coult. 



Opuntia dulcis Engelm. Proc. Am. Acad. 3: 291. 1856. 

 Opuntia lindheimeri dulcis Coult. Contr. Nat. 3: 421. 1896. 



Type locality : Near Presidio del Norte, Texas. 



Distribution : Southern Texas. 



Illustration: Cact. Mex. Bound, pi. ?$. figs. 5-7. 



