7 



Canlif rrutlcosLis, ere^us, glaber. 



Ifnini teretts , albi , bieves. 



Folia om^osita, breviier peiiolata , ovata , acuminata, Integraj 



glabra , poUicaria et ultra. 

 Fhrgf in rainis terminales , paniculati. 

 K. ireEfa: ereda, glabra foliis ovato-oblongls, acurninatis; 



floribus si)Jca(is. 

 Ffutex vel aibnscula ereda. 

 Fnmi teretes , alierni, fusci , gl.Tbrl. 

 Folia opposita, lireviier pefiolata , ovam.oblonga, acnminata, 



iniegra» glabra, duos pollices lata^ palmaria et ultra. 

 Flores in raniuHs feiniinales, aggregati, 

 Corollce tubus teres polHcaris. 



^}j: fpinofi^: 

 R. fucculent a \ ere£ta , glabra foliis cHiptlcis ; spinis sim- 



pl icibus. 

 Caulif frutesceus, succulentus, clnereus, raro ramosus , ere- 



ftus, glaber , spithamffius et ultra. 

 Folia opposita, sessiHa, lanceoiato-eUiptica, carnosa, int-egra, 



glabra, ungvicularia. 

 SpinCB sub foHis opposiise , filiformes, acutse, reflexje , foHis 



paulo breviores. 

 Floref in caule et ramis terminales, subsolitarii. 



Aa. Nov. PetropoHr. V. I4,p. 505, Tab. IX. 



E. bifpiiiofa: ereda , glabra foliis ellipticis ; spinis bifidis. 

 Canlif frutescens, simplex , vel parnm ramosus , glaber , 



succulentus, flexuosus, ere<^us, spithamjeus, spinosus. 

 Folia sparsa , sessilia, lanceolato-elHptica, integra , glabra , 



carnosa, poHicaria. 

 Spinee alternae, aggregatre, basi caUoss , bifid», rariui t-riS- 



dse , patentes, acutse, foHis paulo bxeviores, 

 Floref terminales, 



Aft, Nov. PetropoHt. V. 14 , p. ^o^jTab. IX 



