- \ 



30 



TH^ CACTACEAE. 



itions: Vellozo, Fl. Flum. 5: pi. 20, as Cactus melocactus; Martius, Fl. Bras. 

 Kngler and Prantl, Pflanzenfam. 3^"*: f. 65, b, as Cephalocereus melocactus; Mo- 



natsschr. Kakteenk. 3: 25, as Pilocereus melocactus. 



Figure 29 is from a photograph taken at Rio de Janeiro by Paul G 

 figure 26 shows the fruit as drawn by A. l^ofgren. 



* 1 



I9I5; 



ferox Haworth (Phil. Mag 



may 



this relationship. It is 

 in diameter, dark irreen : 



.4 



r 



ribs about i8, densely covered with spreading yellow spines; radial spines about 6; central 



stouter, up to an inch long. This 





much 



from Brazil by Loddig 



whose collection it was seen and 



I 



4 



I 



-■f 



Haworth. It is stated to be near Cereus muUangularis . Forster and Schu 



ipann did not know the species. 

 5. Cephalocereus dvbowskii 



Gosselin. Bull. Soc 



1908 



I 



stems much branched at the base, sending up many strict, usually simple branches 2 to 4 

 meters high, 8 cm. in diameter, almost hidden by the white cobwebby hairs of the areoles; ribs 

 numerous often 23, low; pseudocephalium on the west side of the plant, consisting of a mass of long 



wool 



the radials short, hidden in the white hairs, the central spines 2 or 3, porrect, acicular, 2 to 3 cm. long; 



t' 



r 



f 



>■- 



L 

 L 





openmg 



gments 



stamens in 2 



series; stamens in upper series with short filaments or none; stamens in lower series united at base 

 into a short tube; style slender, cream-colored, 3.5 cm. long; stigma-lobes about 15, linear; fruit 

 globular, naked, pmkish, 2.5 cm. m diameter; seeds black, roughened 





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^^^^^"■^^^^^^^^^^^^k ^^M 



n 



^H^L M *w 



^Sj 



BhI 





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 J" 



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Fig. 30. — Cephalocereus dybowskii. 



pc locality: Itumirin 



■ ^^ - 



times 



'^ZTirJt ^L^i!"^ - ^^l^-' -''-•^ it fo^s dense thickets some 



— ^^^^xx^jK.iyjii IS uascu large] y 

 Bahia, in 1915 (No. 19785). 



Ill Bahia this species is called cj 

 Figure 30 is from a photograph 



specimens 



mandacaru 





i^1 



A. 



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