116 ANALES DE LA SOCIEDAD CIENTÍFICA ARGENTINA 



florem unicum gerentes; calyx rectus v. lateraliter subcurvus, 



subcylindraceus, dimidia parte supera subcampanulatus, di- 



midia infera tereti-attenuatus (5-6'" long. — 1 ,'6-2'" diam. orali), 



ápice dentibus 5, crassiusculis, subtriangularibus, obtusis, her- 



baceis, saepuis 1 v. 2 posticis minoribus ornatus, extus grosse 



5-costatus, costis viridibus, cano-pubescentibus, intus plicis 5 



gracilibus, validis percursus ac subiraperspicue adpresseque 



parce pilosulus; corollae tubus calycino dimidio longior, in 



parte exerta inflatulus, sub expationem lirnbi abrupte coarctatus 



(7-8'" long. — 2'" diam. maj.), ecostatus estriusque, extus cano- 



puberulus, intus primo retrorse longiuscule albo-hirtus, dein 



subglabratus vix ad taucem minute et adpresse puberulus; 



limbus patenti-explanatus (5-6'" diam), profunde 5-fidus, lobis 



ellipticis, ovatis v. subobovatis, integris v. antice repando-retusis, 



basi parce contractis, superno glaberrimi inferné non v. vix hinc 



inde puberulis, in aestivatione imbricatis, lobo sinistro postico 



toto externo, sinistro antico toto interno ; stamina i giaberrima, 



2 antica ad tertium superum tubi corollini, 2 postica ad ter- 



tium inferum v. ad médium adfixa, filamento brevissimo terete, 



glabro, fulvo, connectivo regulari, exappendiculato, antheris 



ovatis, bilocularibus, flavis, lóculo intimo nonnihil majore 



atque ápice minute acutato-elongato, polline flavo; stylus 



glaber, filiformis, gracilis, vix ultra médium tubum corollinum 



elongatus, viridis, superne sensim incrassatulus, ápice stigmate 



bilobo, lobo altero párvulo mucroniformi, altero subhemisphae- 



rico, papilluloso coronalus ; ovarium viride, i-nervoso-sulca- 



tum, glabrum. Fructus desideratus. 



Corolla in sicco brunneo-castanea, v. flavescenti-brunnea, an in 



vivo purpurea v. rubescens? Floret Novembre ac Decembre. 

 Species pulcherrima, facie tota veré peculiari, plantis perpluri- 



mis patagonicis saepissime propia, nulla alia descripta afíinis; 



an V. thijmifolia Lag. (DC. Pr. XI. p. 554) cognata ? 



10. Verbena struthionüm Speg. (n. sp.) 



Diag. Verbenaca, pacbystachya ; fructiculosa, prostrato-diffusa v. 

 coespitulosa; ramuli e terete obscure obluseque telragoni, grá- 

 ciles, lignosuli, vix in apicibus adhuc herbaceis, breve cane- 

 scenti-pubescentes; folia opposita, párvula, crassiuscula, rigi- 

 dula, patenti-recurva, viridia, praecipue ad apicern ramulorum 

 conferta, sessilia, limbo profunde tripartito, laciniis lineari-spa- 



