CEPHALOCEREUS. 



45 



long, numerous, light brown; flowering areoles confined to one side of the branch and near its top; 

 sometimes only on 3 ribs, producing abundant, long, white wool; flowers 5 to 6 cm. long; tube short 

 and thick, greenish below, red above; perianth-segments numerous, light pink, spreading, obtuse ; 

 stamens scarcely exserted, dull yellowish white; style included; fruit red, subglobose, 3.5 cm. in 

 diameter; seeds minute, shining, black. 



Collected by J. N. Rose in company with W. Nowell, of the Imperial Department of 

 Agriculture for the West Indies, on Barbados, September 30, 1915 (No. 21181). This species 

 is found only on the exposed hills near the ocean on the eastern side of the island. 



Plate vi, figure 3, shows the top of the type specimen in the New York Botanical 

 Garden in flower in 1916. Figure 65 is from a photograph of the same plant; figure 66 

 is from a photograph taken near Boscobel, St. Andrew, February 9, 1919, communicated 

 by Sir Francis Watts. 



FIG. 64. Cephalocereus nobilis. 



FIG. 65. Cephalocereus barbadensis. 



26. Cephalocereus millspaughii Britton, Contr. U. S. Nat. Herb. 12: 417. 1909. 



Cercus millspaiigliii Vaupel, Monatsschr. Kaktcenk. 23: 23. 1913. 



vStem branched, 2 to 6 meters high, 20 cm. thick at the base, the branches nearly erect, 8 to 

 12 cm. thick, pale grayish green, pruinose, 8 to 13-ribbed; ribs acutish, about as wide as high or a 

 little wider; areoles i to 2 cm. apart; spines about 20, acicular, widely radiating, i to 2 cm. long, or 

 at the flower-bearing (upper) areoles 3 to 7 cm. long, the old ones gray-brown, the young ones 



