2)2)2 SMITHSONIAN MISCELLANEOUS COLLECTIONS [VOL. 50 



Distribution : Oaxaca, Mexico. 



Plate xliii, reproduction of a photograph taken by Dr. D. T. 

 McDougal, near Oaxaca City, Mexico. 



4. PERESKIOPSIS DEGUETII (Weber) Britton & Rose 



Opuntia deguetii Weber, Bull. Mus. Hist. Nat. Paris 4 : 166. 1898. 



Type locality: Mexico. 

 Distribution : Jalisco, Mexico. 



5. PERESKIOPSIS KELLERMANII Rose, sp. nov. 



Stems glabrous, herbaceous, weak and clambering over shrubs, 

 about 2 cm. in diameter ; second year's branches with cherry-colored 

 bark; old stem spineless (?) ; young branches spineless or with a 

 single short spine ; glochids numerous, brownish ; leaves glabrous, 

 orbicular to ovate, 3 cm. long by 2 to 2.5 cm. broad, acute; flowers 

 not seen ; fruit red, glabrous, leafy, 6 cm. long ; seeds covered with 

 matted hairs. 



Collected by W. A. Kellerman at Trapichite, Guatemala, January 

 1, 1907 (no. 6025). 



Type in U. S. National Museum, no. 575,464. 



6. PERESKIOPSIS OPUNTIAEFLORA (DC.) Britton & Rose 



Pereskia opnntiaeftora DC. Prod. 3:475. 1828. 

 Opuntia golsiana Schum. Gesam. Kacteen 694.* 1901. 



Type locality : Mexico. 



Distribution : Mexico. 



Illustration: Mem. Mus. Hist. Nat. 17: pi. 19. 



7. PERESKIOPSIS PITITACHE (Karw.) Britton & Rose 



Pereskia pititache Karw. in Pfeiff. Enum. 176. 1837. 

 Opuntia pititache Weber in Bois, Diet. Hortic. 899. 1899. 



Type locality: Mexico. 

 Distribution : Mexico. 



8. PERESKIOPSIS PORTERI (Brandegee) Britton & Rose 



Opuntia porteri BrandEGEE; Weber in Bois, Diet. Hortic. 899. 1899. 



Type locality : Sinaloa, Mexico. 

 Distribution : West coast of Mexico. 



