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AMPELIDE^: 



Vites JtJSS. 



CISSUS Linn. ■ 



Calyx parvus, (juadri-,rarius quinquelobus. Petala quatuor, rarius 

 quinque, basi lata, ad basim exteriorem clisci imposita, axjualia. Stamina 

 quatuor, rarius quinque, ibidem inserta, petalis opposita; filamcntis 

 liberis. Ovaiuum disco immersum, bilocularc; loculis dispermis; ovulis 

 erectis. Discus carnosus, undulatus. Stylus i. Sticma obtusum. Bacca 

 globosa, seepissime abortu monosperma. 



Caulis fruticosus, sarmentosus, nodosus, rarius arboreus 2 . Folia 

 alterna, stipulacea, simplicia, ternata, biternata, triternata aut digitata. 

 Cirri et cynue, rarius paniculae, oppositifolia. Flores umbellulati, bracteis 

 involucrati. 



i . ) Folia simplicia. 



I. CISSUS TILIACEA. j" 



C. glabra; ramis tetragonis; foliis subrotundo-ovatis, cordatis, argutc dentatis, subcoriaccis; 

 cymis dichotomis. 



Crescit prope urbem Mexici , alt . 1 1 68 hex. \> Floret Majo. 



CAutisfruticosus, volubilis; ramis tetragonis. nodosis, glabris, nigro-vcrrucosis (coccis?). Folia altcrna, 

 petiolata, simplicia, subrotundo-ovata, acuminata, cordata, argute dcntata, complicata, rcticulato-venosa, 

 subquincmenervia, ncrvis subtus prominulis, mcmbranacca, glabra, Ja:te viridia, subtus vix pallidiora, 

 2-j-pollicaria, i~-2 pollices lata. Petiolus i5-i8 lincas longus, glaber. .Stipulj; du;e, pctiolares, oblonga:, 

 apice rotundatje, tenuiter mcmbranacex, marcida;, glabnc, pcrsistentes, sesquilincam longaj. Cirri in apice 

 ramulorum opposiiifolii , Miformcs, eiongati , bifidi, glabri. Cyuje oppositifolix, sohtarice, dicholoime, 



Ampclopsis diflerrc videturaCisso: numero quinario petalorum i t staminum , ovario libero ct stigrnatc capitato; a Viti: pctalis 

 patcntibus, styli pncscntia , ncc non liabitu. 



Vitisarborea L. (CUsus arborea niibi) est ccrtc hujus gcneris, ob liabitum, Uisci et ovarii structuram, quamc-uam pcn- 

 tandra sit. 



