( 3974 ) 



ECHINOCACTUS CENTETERIUS. VARIEGATED- 

 FLOWERED ECHINOCACTUS. 



********************** 



Class and Order. 



ICOSANDRIA MONOGYNIA. 



( Nat. Ord.— Cacte^. ) 



Generic Character. 



Sepala numerosa, imbricata, basi ovario adnata; in tubnm 

 brevissimum concreta, exteriora involucriformia, intima 

 petaliformia. Stamina numerosa, calyci affixa, ineequalia,, 

 intima brevissima, filiformia, antheris oblongis. Stylus 

 cylindricus, subfistulosus, apice multifidus. Bacca sepalo- 

 rum reliquiis subsquamata,, rarissime lajvis. Cotyledones 

 parvulae. — Frutices simplicissimi carnosi, ovati aut globosi, 

 melocactoidei aut mammillarice/brmes, aphylli, costati aut 

 tuberculati, costis tuberculis confluentibus quasi forrnatis, 

 dorso aculeorum fasciculos gerentibus. Flores efasciculis 

 aculeorum ad apicem costarum orti, similes Jloribus Cerei^ 

 sedtubo vix supra receptaculum elongato. Pfeiff. 



Specific Character and Synonyms. 



Echinocactus centeterius ; subglobosus obscure viridis tu- 

 berculatus apice vix umbilicatus., tuberculis in series 

 15 subverticales dispositis confluentibus obiongis infra 

 areolam acuato-prominentibus (gibbosis), areolis ova- 

 libus cano-tomentosis, acuieis exterioribus 10 — 12 gra- 

 cilibus rectiusculis bifarie patentibus, centralibus 4 

 decussatis validioribus nigrescentibus tandem fusco- 

 ei nereis. Pfeiff- 



Echinocactus centeterius. <e Leh?n." — Pfeiff- Enum. Cact. 

 p. 65. 



This has been for some time cultivated in the Royal 

 Botanic Gardens of Kevv, under the name here adopted. If 



it 



