204 



The; cactaceae. 



Specimens of the plant were erroneously referred by Grisebach to 0. triacantha. It 

 is a picturesque feature of the flora of its native habitat. 



Figure 256 is from a photograph of the plant on the United States Naval Station, 

 Guantanamo Bay, Cuba, taken by Marshall A. Howe in 1909; figure 257 is from a pho- 

 tograph of a plant from the same place, grown at the New York Botanical Garden. 



Fig. 254. — Joint of Opuntia 

 bahamana. 



Fig. 255. — Flower 

 of the same. 



Fig. 256. — Opuntia macracantha. 



232. Opuntia spinosissima Miller, Gard. Diet. ed. 8. No. 8. 1768. 



Cactus spinosissimus Martyn, Cat. Hort. Cant. 88. 1771. 

 Consolea spinosissima 'Le.vaaire:, Rev. Hort. 1862: 174. 1862. 



Erect, up to 5 m. high, the trunk sometimes 8 cm. in diameter, densely clothed with areoles 

 bearing many long brownish glochids and acicular, deflexed or spreading spines up to 8 cm. long; 

 ultimate branches flat, dull green, narrowly oblong, 2 to 4 times as long as wide, their areoles i to 

 1.5 cm. apart, slightly or not at all elevated, bearing brown glochids and i to 3 acicular, straw-col- 

 ored or whitish spines 8 cm. long or less, or spineless; ovary 3 to 8 cm. long, often flattened, its 

 areoles bearing short glochids; petals about i cm. long, oblong-obovate, rounded at the apex, at 

 first yellow, turning dull red. 



Type locality: Jamaica. 



Distrihition: Southern coast of Jamaica. 



Plate XXXVI, from a painting by Miss H. A. Wood at Hope Gardens, Jamaica, 

 sent by WilHam Harris in 1907. Figure 258 is from a photograph of a plant obtained 

 by Professor John F. Cowell in Jamaica and sent from the Buffalo Botanical Garden to 

 the New York Botanical Garden in 1904. 



233. Opuntia millspaughii Britton, Smiths. Misc. Coll. 50: 513. 1908. 



Trunk terete, 7 cm. thick at base, 5 cm. thick at top, 6 dm. high or less, branching at the summit, 

 the branches divaricate-ascending, narrowly oblong, much compressed, 40 cm. long or less, 5 to 



