the; cactaceae. 



Type locality: In Brazil. 



Distribution: Brazil, widely planted and subspontaneous throughout the West Indies. 



The plant is extensively used for hedges in tropical America. It is planted by pushing 

 cuttings into the ground, its spiny stems soon forming a capital barrier. 



Illustrations: Vellozo, Fl. Flum. 5: pi. 27, as Cactus rosa. Amer. Garden 11: 462; 

 Bliihende Kakteen 3: 137; Curtis's Bot. Mag. 63: pi. 3478; Cycl. Amer. Hort. Bailey i: 

 f. 309; Diet. Hort. Bois f. 678; Edwards's Bot. Mag. 17: pi. 1473; Engler and Prantl, 

 Pflanzenfam. 3^": f. 71; Gard. Chron. III. 20: f. 75; Karsten, Deutsch. Fl. 887. f. 9; 

 Martins, Fl. Bras. 4-: pi. 63; Pfeiffer and Otto, Abbild. Beschr. Cact. i: pi. 30; Reichen- 

 bach, Fl. Exot. pi. 328, all as Pereskia blco. 



.'< t 4- 



Fig. 15. — Pereskia bahiensis. Photograph by Paul G. Russell. 



Plate III, figure i, represents a flowering branch of a plant obtained by N. I,. Britton 

 on St. Christopher in 1901. Figure 16 is from a photograph of the plant used as a hedge 

 near Rio de Janeiro, Brazil. 



15. Pereskia zinniaeflora De Candolle, Prodr. 3: 475. 1828. 



Shrub; leaves oval to oblong, 2 to 4 cm. long, acuminate, cuneate at base; spines on young 

 branches i or 2 at an areole, on old branches 4 or 5, all short, less than i cm. long; flowers broad, 

 5 cm. wide, rose-red; petals entire, obtuse or retuse; style and stamens very short; ovary truncate, 

 bearing small, stalked leaves. 



Type locality: In Mexico. 

 Distribution: Mexico. 



Nicholson associates this species with Pereskia bleo, that is, P. grandifolia, but the 

 relationship is not close. The measurements of the flower given above are taken from 



