164 



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ramosa. Color florum albus vel pallide purpureas. 

 Corolla glabra; tubo semiunciali superne inflate calyce 

 dimidio longiore. 



This and tbe following species are remarkable in having 

 the leaves persistent and becoming gradually more and more 

 spinescent, till, at length, from the new leaves springing up 

 from their axils, they form, as it were, stipulary spines. 



10. Verbena erinacea^ {Gill, et HooL); fruticosa, humilisj 

 caespitosa, foliis densis opposito-connatis acerosis-ciliatis 

 strictis pungentibus demum elongatis spinescentibus, 

 capitulis paucifloris inter folia immersis. (Tab. XLVIII.) 



Hab. In siimmum fere jugum montium " Uspallata,'' provin- 

 cise Mendozse: alt. 10,000 peel. 



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Radix crassa, lignosa. Tota planta spinosissima. Capitnh 

 sessilia, immersa, bi-triflora, versus apicem ramorum. 

 Bractem ovato-lanceolatse, mucronatae, calyce elongato 

 tubuloso striato, hirsutiusculo, dentibus pungentibus^ 

 quadruple breviores. Corolla calyce subdimidio longiore. 



Figs. 1, 2, Leaves. Fig. 3, Flower and bractea. Fig- 4, 



' Stamens. Fig. 5, V\s\:\\ '.—magnified. 



-^ -i- SpincB foliis distinctcB. 



11. Y erhena seriphioides, {Gill, ef Hook.) ; fruticosa, ramulis 

 brevissimis, foliis densissimis connatis ovato-triquetris 

 crassis carinatis superne canaliculatis obtiisis glabris, 

 spinis oppositis connatis lato-subulatis subfoliaceis ciliatis 

 demum elongatis rigidissimis integris trifidisve, floribus 

 subsolitariis. 



Hab. In provincia raeridionali Mendozse, usque ad flumen 

 " Atuel:" alt. 3000 ped. 



Tri-quadripedalis, ramosa; ramis brevibus numerosis. Folia 

 vix duas lineas longa, glabra. Florcs ex apicibus ramu- 

 lorum. Bractea ovata. Calyx tubulosus, angulatus. 

 Habitus generis Seriphii. 



The branches of this curious plant always proceed from 



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