BRITTON AND ROSE] OPUNTIOIDEAE OF NORTH AMERICA 51 1 



OPUNTIA FULGIDA Engelm. 



Opuntia fulgida Engelm. Proc. Am. Acad. 3: 306. 1856. 



Typte locality: Mountains of western Sonora. 

 Distribution: Nevada to Sonora. 



Illustrations: Cact. Mex. Bound, pi. 75. -fig. 18; Bull. Torr. Club 

 32: pi. p. fig. 1. 



OPUNTIA MAMILLATA Schott 



Opuntia mamillata Schott; Engelm. Proc. Am. Acad. 3: 308. 1856. 

 Opuntia fulgida mamillata Coult. Contr. Nat. Herb. 3: 449. 1896. 



Type locality : On the Sierra Babuquibari in Sonora. 

 ' Distribution : Arizona and Sonora. 



OPUNTIA BIGELOVII Engelm. & Bigel. 



Opuntia bigelovii Engelm. & Bigel. Proc. Am. Acad. 3: 307. 1856. 



Type locality : Bill Williams River, Arizona. 



Distribution : Arizona, California, Sonora, and Lower California. 



Illustration : Pac. R. Rep. 4 : pi. 19. figs. 1-7. 



OPUNTIA MOLESTA Brandeg. 



Opuntia motesta Brandeg. Proc. Cal. Acad. II. 2: 164. 1890. 



Type locality : San Ignacio, Lower California. 

 Distribution : Lower California. 



OPUNTIA CALMALLIANA Coult. 



Opuntia calmalliana Coult. Contr. Nat. Herb. 3: 453. 1S96. 



Type locality : Cahnalli, Lower California. 

 Distribution : Lower California. 



Referred by Mrs. Brandegee in Erythea 5: 122, to the preceding 

 species. 



OPUNTIA CLAVELLINA Engelm. 



Opuntia clavellina Engelm. ; Coult. Contr. Nat. Herb. 3 : 444. 1896. 



Type locality: Near Mission Purissima, Lower California. 

 Distribution: Only known from type material. 

 Likewise referred by Mrs. Brandegee to O. molesta. 



Series MONACANTHAE 

 Stems very slender ; spines usually solitary. 



