i8 



THE CACTACEAE. 



long; leaves thin, oblong to oblanceolate, i6 to 21 cm. long, 4 to 5.5 cm. wide, acummate, cuneate at 

 base, tapering into petioles 2 to 3.5 cm. long; areoles circular, bearing when young a little wool, but 

 soon becoming naked; calyx turbinate, somewhat angled, naked, with Hnear deciduous sepals; 

 petals 12 to 15, rose-colored, obovate, 3.5 cm. long; style longer than the stamens, red, thick; stigma- 

 lobes 5 to 7; ovary depressed; fruit yellow, truncate, 5 to 6 cm. long; seeds 6 mm. long, black, 

 shining. 



Type locality: Near Badillas, on the Magdalena River, Colombia, South America. 



Distribution : 



South America and throughout Panama 



World 



species was collected by Bonpland during Humboldt's trip through the New 

 d was described and published by Kunth in 1823. Dr. Rose examined two of 

 lal specimens in the herbarium of the Museum of Natural History at Paris, one 

 specimen given by Bonpland and the other the specimen in the Kunth Herbarium, 



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Fig. 12. — Pereskia bleo. 



from the general herbarium 



The only other representatives of this 

 les from South America which we have seen are a specimen in the herbarium of the 

 : museum, which was collected by Justin Goudot in Colombia in 1844, and one collected 

 ^52, by I. F. Holton at San Juancito, Colombia, preserved in the Torrey Herbarium 

 one recently brought by Francis W. Pennell from Boca Verde, Rio Sinu, Colombia. 

 Heretofore Pereskta bleo has been considered one of the most common soecies. for 



many specimens under that name 



determining 



Colombia 



grandifolia Haworth 



become convinced that P. panamensis Weber 



Mr. Pittier's exhaustive exploration of Panama 



came from northern Colombia 



Colombian 



Humboldt 



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