i So 



THE CACTACEAE. 



and flowers in July. It had been in cultivation before 1796; it flowered in 1808 with Haw- 

 orth and was described as follows: Flowers shiny yellow; filaments yellow, half as long as 

 petals; style longer than stamens; stigmas 5, thick, obtuse, 2 lines long, sulphur-colored. 



De Candolle says the flowers are 4 inches in diameter. 



Pfeiffer states the joints are 5 to 6 inches long by i to 1.5 inches broad; that the leaves 

 are red and the spicules yellow. 



Opuntia elongata laevior Salm-Dyck (Cact. Hort. Dyck. 1849. 242. 1850) may or may not 

 belong here. 



FIG. 220. Opuntia maxima. 



200. Opuntia maxima Miller, Card. Diet. ed. 8. No. 5. 1768. 



Cactus deciimainis Willdenow, Enum. PI. Suppl. 34. 1813. 



Opuntia decnmana Haworth, Rev. PI. Succ. 71. 1821. 



Opuntia gymnocarpa Weber, Diet. Hort. Bois 893. 1898. 



Opuntia labouretiana Console* in Schumann, Gesamtb. Kakteen 717. 1898. 



Opuntia ficus-indica decumana Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4: 512. 1905. 



Opuntia ficus-indica gymnocarpa Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4: 512. 1905. 



Forming large, much branched plants; joints elongated, more or less spatulate, 35 cm. long 

 or more, 10 to 12 cm. broad, rounded at apex, somewhat cuneate at base, pale green, not at all 

 tuberculate; areoles small, distant; spines sometimes wanting or sometimes i or 2, short, white; 

 glochids yellow (brown in some specimens referred here) ; flowers conspicuous, 8 cm. broad, orange- 

 red; ovary elongated, 7 to 8 cm. long, bearing numerous large glochids. 



*Berger (Hort. Mortol. 409. 1912) says this is known as O. labouretiana Console. 



