05.342 
Echinocactus setispinus Engelm. 
Flowering June 3, 1912; stem cylindrical, bending to one side, almost 
reclining, 24 cm. long, 7 to 8 cm. in diameter, somewhat truncate; ribs 
13 and 14, spiral to the right, making one-fourth turn, 1 to 1.5 cm. high, 
near light terre verte, as given in Winsor and Newton’s Artists' Oil Col- 
ors, with greenish gray colored crests; crests 13 to 20 mm. apart, and 
bearing areoles at intervals of about 1 cm., where ^ slightly enlarged; 
areoles bearing spines, radials 7 to 13, 12 to 15 mm. long, varying in 
color from reddish bro?m to dull white; central 1, about 3 cm. long. 
slightly stouter than radials, and havipg slight curve at tip, tip usually 
darker though sometimes lighter; areoles also bearing small amount of wool, 
dirty gray in color but on newer grov^th lighter to light buff in color; 
flowers from top center, 5.7 cm. long, spreading about 5 cm.; calyx tube 
2.7 cm, long, 15 and 5 mm. in diameter at top and bottom respectively, 
