1271 



ACiENA* pinnatifida. 

 Pinnatifid Accena. 



DIANDRIA, TRIANDRIA, TETRANDRIA, PENTANDRIA, &c. 

 MONO.DI. G YNIA. 



Nat. ord. Rosace;e. § Sanguisorbea. 



ACMNA Vahl,— CaZj/x basi squamosus, tubo persistente ssepiils glochi- 

 dato, limbo 4-partito. Corolla 0. Stamina 2-10. Carpella 1-2, intra 

 tubum calycis inclusa. Stylus terminalis. Stigma plumosum. Fructus 

 indehiscens e nuce constans monosperma intra calycem induratum glochi- 



datum V. tuberculatum inclusa. Semen pendulum. Herbse v. suffrutices, 



humiles. Folia impari-pinnata ; foliolis serratis. Flores capitato-racemosi, 

 rarb solitarii, herbacei, antheris magnis purpureis. 



A. pinnatijida ; undique sericea, foliis 4-5-jugis, foliolis alte 3-5-partitis ; 



laciniis linearibus, capitulis spicatis; inferioribus remotis, fioribus 5-10- 



andris, fructibus undique glochidatis. 

 Aceena pinnatifida. Fl. Peruv. 1. t. 104./. 1. 6. Dec. prodr. 2. 592. 



Schlecht. et Cham. Linncea 2. 29. 



CaxiXx?. ascendens, foliosus, undique pilis sericeis tectus, ut et reliquce partes. 

 Folia 4-5-jnga ; foliolis scepiUs 4:-partitis, nunc tripartitis, in quibusdam 

 5-partitis, quod rarius ; inferioribiis minoribus alfernis, nunc integris. Flores 

 kermaphroditi, interrupt^ spicati. Spica e capitulis constans, apice aggre- 

 gatis, versus basin remotis, demkm in axillis foliorum depauperatorum 

 uni- bi-Jioris. Calyx inferus, basi bracteis pluribus, imbricatis, scariosis, 

 pilosis munitus, tubo subtetragono, verrucoso, incrassato, in fructu in- 

 durato, limbo patente, 5-phyllo, foliolis viridibus, i7itiis Icevigatis, extus 

 pilosis. Petala 0. Stamina 5-10, numero incerta, fauce constricto calycis 

 inserta ; filamenta filiformia decwyibentia ; antheree magnce, atropurpurecB, 

 stibquadrat/E, biloculares, longitudinaliter dehiscentes. Ovarium solitarium, 

 intra tubum calycis inclusum ; ovulo solitario, pendulo. Stylus cum ovario 

 continuus, et ex apice ejus ortus; stigma magmim, efmbriis plurimis constans. 



A half-tender herbaceous plant, native of Chile, where 

 it was first found by the authors of the Flo?^a Feruviaria, 

 by whom it has been figured and described in their great 



* "Aiixivx signifies a spine : the name has been applied to the genus on 

 account of its spiny fruit. 



