230 



THE CACTACEAE. 



sometimes 2 or 3, a little stouter than the radials; eephalium small, 6 to 7 cm. broad at base, 2 to 3 

 cm. high, made up of soft brown bristles and white wool; flowers small, purplish; fruit clavate, 2.5 

 cm. long, purple; seeds black. 



Collected on Tobago Island, West Indies, by W. R. Broadway in 1914 and through 

 W. G. Freeman from the same island in 1921, type; also obtained on Grenada, British 

 West Indies, by R. O. Williams in 1921. 



Figure 231 is from a photograph of the plant sent by W. G. Freeman from Tobago; 

 figure 236 is from a photograph of the plant sent by R. O. Williams from Grenada. 



Figs. 241 and 242. Cactus intortus. 



9. Cactus intortus Miller, Gard. Diet. ed. 8. No. 2. 1768. 



Echinocactus intortus De Candolle, Prodr. 3: 462. 1828. 



Melocactus communis atrosanguineus Link and Otto, Verh. Ver. Beford. Gartenb. 6: 430. 



Melocactus communis ovatus Hooker in Curtis's Bot. Mag. 58: pi. 3090. 1831. 



Melocactus communis viridis* Pfeiffer, Enum. Cact. 42. 1837. 



Melocactus communis grengeli Pfeiffer, Enum. Cact. 43. 1837. 



Melocactus communis havannensis Pfeiffer, Enum. Cact. 43. 1837. 



Melocactus atrosanguineus Pfeiffer, Enum. Cact. 44. 1837. 



Melocactus grengelii Forbes, Journ. Hort. Tour Germ. 151. 1837. 



Echinocactus xanthacanthus Miquel, Linnaea 11: 155. 1837. 



Melocactus macrocanthus Miquel, Linnaea 11: 157. 1837. Not Link and Otto, 1827. 



Melocactus miquelli Lehmann, Del. Sem. Hort. Hamb. 1838. 



Melocactus havannensis Miquel, Nov. Act. Nat. Cur. 18: Suppl. 1. 144. 1841. 



Melocactus wendlandii Miquel, Nov. Act. Nat. Cur. 18: Suppl. 1. 146. 1841. 



Melocactus dichroacanlhus Miquel, Nov. Act. Nat. Cur. 18: Suppl. 1. 147. 1841. 



Melocactus xanthacanthus Miquel, Nov. Act. Nat. Cur. 18: Suppl. 1. 169. 1841. 



Melocactus macracanthoides Miquel, Nov. Act. Nat. Cur. 18: Suppl. 1. 173. 1841. 



Melocactus schlumbergerianus Lemaire, Illustr. Hort. 8: Misc. 32. 1861. 



Melocactus portoricensis Suringar, Versl. Med. Akad. Wetensch. III. 9: 408. 1891. 



Melocactus bradleyi Suringar, Verh. Kon. Akad. Wetensch. Amst. II. 5 s : 23. 1896. 



Melocactus hookeri Suringar, Verh. Kon. Akad. Wetensch. Amst. II. 5 3 : 31. 1896. 



Melocactus eustachianus Suringar, Verh. Kon. Akad. Wetensch. II. 5 3 : 37. 1896. 



Melocactus linkii Suringar, Verh. Kon. Akad. Wetensch. Amst. II. S 3 : 39. 1896. 



Melocactus croceus Suringar, Verh. Kon. Akad. Wetensch. Amst. II. 5 3 : 40. 1896. 



Melocactus communis bradleyi Monatsschr. Kakteenk. 6: 142. 1896. 



Melocactus communis croceus Monatsschr. Kakteenk. 6: 142. 1896. 



Melocactus communis eustachianus Monatsschr. Kakteenk. 6: 142. 1896. 



Melocactus communis hookeri Monatsschr. Kakteenk 6: 142. 1896. 



Melocactus intortus Urban, Repert. Sp. Nov. Fedde 16: 35. 1919. 



1830. 



*This name first appeared in 1830 (Link and Otto, 

 a plant of Curacao, but was without description. 



Verh. Ver. Beford. Gartenb. 6: 430) and was assigned to 



