ECIHNOCACTEyE. 
31 
— anfractuosus Mart. Pfr. Enum . p. 63. (46.) 
— — §. ensiferus Nob. — E. ensiferus Lem. 
y. pentacanthus Nob. — E. pentacanthus Lem. 
— sulphureus Dietr. (47.) 
( Aculeis fulvidis aut brunneis.) 
E. brachycentrus Nob. (4s.) 
— — fi. olygacanthus Nob. — E. oligacantlius Hort. 
— Wegeneri Nob. — E. quadrinatus Weg. (49.) 
— raphidacanthus Nob. (50.) 
ffff Aculeis superioribus 3 applanatis , duobusque cen- 
tralibus subulatis bifarie patulis; inferioribus 7.8 graci- 
libus , rigidis , subradianter deflexis. 
E. Acanthioii Nob. (51.) 
ftiit Aculeis centralibus 1-4 9 lineari- extern is , varie 
planius culis vel subulatis; exterioribus numerosis elon- 
gatis , setiformibus , radianter patentis simis. 
E. arrigens Lk. — E. xiphacanthus Miq. — E. spliae— 
rocephalus Muhlenpf. ( 52 .) 
— — p. atropurpureus Nob. 
— heteracanthus Muhlenpf. ( 53 .) 
— Wippermanni Muhlenpf. — E. spinosus Weg. — an 
E. acifer Hopf.? ( 54 .) 
— albatus Muhlenpf . ( 55 .) 
— Heyderi Muhlenpf. ( 56.) 
§. 6. Microgoni. Caule globoso , clavato vel cylindra- 
ceo , costis angustis , obtusis vel acutatis , interdum 
numerosissimis , inter pulvillos plus minusve convexis , 
aut cr enato- repandis ; pulvillis confertis aut confer- 
tissimis , immersis aut prominulis; aculeis exterioribus 
