43: 



Ordo CliXXX, Ranimculaceae* 



Herbae, rarius suffrutices v. frutices pleruraque sarmentosi, 

 succo aqueo. Caules ramique teretes v. angulati; pubes simplex 

 V. nulla. Folia alterna, rarius opposita, petiolata, petiolo cuni 

 caule continuo, basi in vaginae speciera dilatato, lamina varie 

 dissecta, rarius simplici, rarissime petiolo ramoso imposita, non- 

 nunquam abortiva, petiolo phyllodineo. Stipulae nullae. Flores 

 perfecti v. aboitu imperfecti, regulares v. irregulares, solitarii, 

 racemosi v. paniculati, nudi v. involucro calyciformi, calyci co- 

 rollino admoto, stipati. Calyx liber, tri-bexapbyllus, foliolis 

 herbaceis v. petaloideis, omnino distinctis, aestivatione saepissime 

 imbricatis, rarius valvatis v. induplicatis. Corollae petala rece- 

 ptaculo inserta, calycis foliolis nuniero aequalia et alterna, nunc 

 dupla V. tripla, unguiculata, aestivatione imbricata, decidua, 

 aequalia v. inaequalia, forma admodum varia, nunc plana, nunc 

 basi tubulosa, cucullata, saccata v. bilabiata, saepe nulla. Sta' 

 mina plurima receptaculo inserta, saepissime multiseriata, libera, 

 decidua. Filamenta filiformia, interdum elongata. Antherae 

 terminales, biloculares, loculis adnatis, extrorsis v. lateralibus, 

 saepius connectivo interposito sejunctis et producto superatis, 

 longitudinaliter dehiscentibus. Germina nunc definila, verticil- 

 lata, calycis foliolis numero aequalia v. pauciora, rarius plura, 

 rarissime solitaria, unilocularia, libera, sessilia v. substipitata aut 

 basi plus minus cohaerentia, gemmulis juxta suturam ventralem 

 plurimis, biseriatis, analropis, — nunc germina indefinita, toro 

 hemisphaerico v. cylindrico spiraliter iuserta, libera, unilocularia, 

 plerumque gemmula unica, erecta v. pendula foeta. Styli ger- 

 minibus continui, setacei v. subulati, persistentes sive decidui; 

 stigmatibus simplicibus. Fructus nunc achenia monosperma, epi- 

 carpio cum semine concreto, supra torum congesta v. spicata, 

 mutica aut saepissime stylo persistente, interdura barbato-plumoso 

 superata, nunc baccae mono-oligospermae v. capsulae unilocu- 

 lares, liberae v. angulo centrali inter se coalitae, juxta suturam 

 seminiferam apice v. secundum totam longitudinera dehiscentes. 

 Semina nunc solitaria, erecta v. inversa, nunc plurima, juxta 

 suturam ventralem biseriata, borizontalia; integumento in mono- 

 spermis saepissime cura endocarpio connato, in polyspermis saepe 

 spongioso-membranaceo, interdum in raarginem expanso, rhaphe 

 saepe valida. Embryo in basi albuminis cornei minimus, or- 

 thotropus; cotyledonibus germinatione foliaceis, radicula hilo 

 proxima. 



TRTBU^ I. CLEMATWEAE. Calyx coloratus, acstivatione 

 ralvatus v. induplicatus. Corolla nuUa v. petala calyce breviora, 

 plana. Achenia monosperma, stylis barbato-plumosis caudata. S«f- 



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