48 
SYNGONIUM &hot. 
(Melet. L p. 19. 1832.) 
Spathae tubus convolutus, cylindricus vel ventricoso-ovatus, persistens; faux vix vel magis 
constricta; lamina ovata vel ovato-lanceolata, concava, reflexa vel erecta. 
Spadix androgynus, erectus, spatha brevior; spica feminea cylindrico conoidea vel sub- 
conoidea, pluriflora, sessilis; spica mascula a feminea parte neutra inferne 
conoidea, superna obconoidea, medium interdum nuda remota, plus minusve clavata 
vel conice cylindrica, multiflora, densa; appendix nulla. 
Floseuli nudi; masculi: synandria truncato-obpyramidata, tri-tetraquetra, vertice ut pluri- 
mum regulariter vel irregulariter-cruciformia; connectivum crassum; loculi 6— 8, bini 
semper oppositi, antherarum 3—4., tetragonarum, unico latere connexarum, ad basin 
fere synandrii usque producti, ibi rotundati vel obtusati, synandrii apicem extremum 
non aftingentes, sub illo rimula brevi aperientes et pollen e rimis synandriorum in 
farciminulis protrudentes; feminei: ovaria bilocularia, abortu et unilocularia, omnia ex 
toto connata; stigmata convexa vel hemisphaerica, interdum ambitu-2—3-emarginata, 
distantia , lactiflua; placentae e fundo axim adscendentes, uniovulatae, obsoletae; funiculus 
brevissimus; ovulum erectum, anatropum, micropyle fundum versus spectante; neutri 
inferiores magis pistilliformes, depressi, superiores minores, tenuiores, magis synandriiformes. 
Fructus. Baccae ex toto connatae, spathae tubo obtectae, corpus oviforme repraesentantes, 
semina membranis separata includens. 
Semen plus minusve obovoideum, anatropum, brevissime funiculatum, rhaphe haud dignoscenda, 
strophiolum gibbiforme, minutum; testa vix crassula; tegmen haud discernendum; 
micropyle fundum spectans; albumen nullum; embryo macropodus. 
Habitus. Scandens. Vaginae petiolares, persistentes. Petioli apice teretes. Lamina folii primum 
sagittata, in stirpe adulta pedata; pseudoneura 3, internum a margine remotum, Pedun- 
culi breves, plures ex una axilla, (interdum solitarii. Spatha flavo- vel albovirens. 
Spadix vix suaveolens. 
Synonyma. Caladium Auctorum. Philodendron Hortorum. Xanthosoma Hortorum - 
(pro parte!) 
