136 



THE CACTACEAE. 



Echinocactus robustus prolifer (Pfeiffer, Enum. Cact. 61. 1837) to which Echinocactus 

 agglomeratus Karwinsky was assigned as a synonym seems to be the normal form of the 

 species, while var. monstrosus (Pfeiffer, Enum. Cact. 61. 1837) is an abnormal form. To it 

 wereN^ferred also as synonyms Echinocactus spectabilis and E. subulifcrus (Pfeiffer, Enum. 

 Cact. 6i!%837). This latter name, according to Pfeiffer, is different from E. subulijerus 

 Link and Ottc><yerh. Ver. Beford. Gartenb. 3: 427. pi. 27. 1827) collected in Mexico by 

 Deppe. The flowers and fruit were unknown. 



Illustrations: Nov. Act. Nat. Cur. 19: pi. 16, f. 3, 6; Contr. U. S. Nat. Herb. 10: pi. 16, 

 f. A; Mollers Deutsche Gart. Zeit.,25: 474- 1- 6, No. 9; 29: 441. f. 17; Karsten and Schenck, 

 Vegetationsbilder 1: pi. 44, as Echinocactus robustus; Verh. Ver. Beford. Gartenb. 3: pi. 

 27, as [Echinocactus] subulijerus. 



Figure 141 shows the flower, copied from the first illustration above cited. Figure 143 

 is from a photograph of the plant taken by 

 Dr. Rose at El Reago, Puebla, Mexico, in 

 1905. 



Fig. 143. Ferocactus robustus. Fig. 144. Ferocactus echidne. 



17. Ferocactus echidne* (P. De Candolle). 



Echinocactus echidne P. De Candolle, Mem. Cact. 19. 1834. 



Echinocactus vanderaeyi Lemaire, Cact. Aliq. Nov. 20. 1838. 



Echinocactus dolichacanthus Lemaire, Cact. Aliq. Nov. 25. 1838. 



Echinofossulocactus vanderaeyi Lawrence in Loudon, Card. Mag. 17: 318. 1841. 



Echinofossulocactus vanderaeyi ignotus-longispinus Lawrence in Loudon, Gard. Mag. 17: 318. 1841. 



Echinofossulocactus echidne Lawrence in Loudon, Gard. Mag. 17: 318. 1841. 



Echinocactus gilvus Dietrich, Allg. Gartenz. 13: 170. 1845. 



Echinocactus echidne gilvus Salm-Dyck, Cact. Hort. Dyck. 1849. 27. 1850. 



Echinocactus victoriensis Rose, Contr. U. S. Nat. Herb. 12: 291. 1909. 



Depressed-globose, 12.5 cm. high, 18 cm. in diameter, green; ribs 13, acute, broad at base; 

 areoles remote, velvety when young, oval in shape; radial spines rigid, about 7, about 2 cm. long, 

 yellow; central spine solitary, porrect, 3 cm. long or more; flowers lemon-yellow; perianth-segments 

 linear-oblong, acute, sometimes toothed near the apex; stigma-lobes about 10, elongated, spreading or 

 reflexed; scales on the ovary ovate, acute. 



Type locality: Mexico. 



Distribution: Hidalgo, Mexico. 



Echinocactus dolichocentrus Salm-Dyck (Cact. Hort. Dyck. 1844. 22. 1845) is usually 

 referred here as a synonym but it was never described. 



Illustrations: Bliihende Kakteen 3: pi. 146; Schelle, Handb. Kakteenk. 156. f. 83; 

 De Candolle, Mem. Cact. pi. 11, as Echinocactus echidne. 



Figure 144 is copied from the last illustration above cited. 



Schumann has changed the spelling of this name to E. echidna. 



