976 di CXOL AROIDEA. (.Colocasiec. 
tropa, ere Aaniculis brevissimi placentze suprabasilari affixa, micropyle supera. Utriculi 
subglobosi, tubo carnoso spathze inclusi, l-oligospermi. Semina obovoidea, testa g lati 
intus basi vacua, albumine 0 ; embryo globosus, podus.—Herbze p E b 
crasso, foliis floribusque Folia subpeltata, hastata, costa valida, nervis densis 
tenuissimis, petiolo elongato longe vaginante. Spatha tota convoluta, tubo elongato 
accrescente persistente, fauce leviter constricta, lainina elongato-lanceolata recurva 
decidua, marginibus undulatis. Spadix spatha multo brevior, gracilis, erectus, totus 
cylindraceus, appendice brevi ovoidea v. obsoleta ; inflorescentia densa, 4 quam 9 multo 
longior; fl. d i dum ovario imperfecto comitati, inf. casu imp 
Species 2, Americze boreali-orientalis ineole. Engl. 4rac. 329. Schott, Gen. Aroid. t, 41. Hook. 
Exot. Fl. t. 182 (Caladium). 
34. Caladium, Vent. in Rom. Archiv. ii. 347 ; Jard. Cels. t. 30.—Flores in spadice 
inappendiculato monoici, d perfecti a 9 remoti, xis imperfectis elongatis compactis 
deplanatis interjectis. Perianthium O0. Fl. d: Stamina 3-8, in corpus sessile depressum 
vertice dilatato deplanat atibitd hexag connata ; antherarum loculi contigui, 
elongati, rimulis apicalibus d t iivo erasso. Fl. 9: Ovaria omnia apice 
leviter coh:erentia, obovoidea v. oblóngaj 2- rarissime 3-locularia ; stigma sessile, subhemi- 
sph:sericum, integrum v. 2-4-lobum ; ovula in loculis numerosa, anatropa v.semi-anatropa, - 
patentia, funiculis brevibus Diaseitis septo adnatis affixa, micropyle infera. Bacem tubo 
spathze incluse, pyriformes v. clavatz, polyspermze, stigmatibus coronatze, pericarpio tenui. 
Semina ovoidea v. subglobosa, testa crassa sulcata jexkun ;guceulenta, funiculo laterali, 
albumine copioso ; embryo exilis. —Herb:e lact ó ie tuberoso, 
foliis rarius alternati ientil -Folialonge petiolata, 
ssepius peltata, oblonga v. sagittata, iembrenscen, nervos et reticulatim venosa. Pedun- 
culus sepius solitarius. Spathze tubus lutus, tens, fructifer irregu- 
lariter ruptus, fauce iricta, lamina cymbiformi erecta alba. Spadix ars brevior, 
Büipitatus, erectus, dorso basi spathz adnatus ; inf d 
quam 9 cylindracea v. conoidea multiflora longior. 
Species omnes Americam tropieam incolentes, ab auctoribus inordinate multiplieate, nuperrime 
ab Englero ad 7 reduete. Engl. Arac. 452, ubi sectiones 2 «gre distinguende propositze sunt:— 
l. Cyrtospadiz. Stigma ovarii vertico immersum, breviter 2-3-lobum. Engl. im Mart. Fl. 
Jiras. iii. ii. 4. 40. OynrosrAptix, C. Koch, Ind. Sem. Hort. Berol. 1893, App. 3. 
2. Eucaladii Stigma vix i sub-3-4-suleatum. Engl. in Mart. Fl. Bras. iii, ii. t. 41, 
42. Schott, Gen. Aroid. t. 45. Jacq. Hort, Schanb. ii. t. 186 (Arum). Bot. Mag.t. 2643, 5199, 
5255, 6263.. Peyritsch, Aroid. Mazimil. t. 28. 
95. Xanthosoma, Schol, Molet. i. 19; Gen. Avoid. t. 46.—Flores in spadice inap- 
pendiculato monoici, 4 perfecti a 9 remoti, masculis imperfectis compactis deplanatis 
interjectis. Perianthium 0.  Fl.d: Stamina 4-6, in corpus sessile obpyramidatum 
hexagonum vertice dilatato deplanatum connata ; antherarum loculi lineares v. cuneati, 
éontigui, connectivo squilongi, rimulis brevibus apicalibus infra verticem connectivi 
dehiscentes. Fl: 9: Ovaria obovoidea v. oblonga, 2-3-locularia, vertice supra collum 
brevem in discum placentiformem dilatata et ibidem inter se confluentia, inferne distincta ; 
stigma in centro disci sessile, pulvinare v. hemisphericum ; ovula in loculis plura, anatropa 
v. semianatropa, patentia et loculo transversa, funiculis elongatis placentis septo adnatis 
affixa, micropyle spius xe Bacce tubo spathio incluse, cylindracez, superne con- 
3-4-locul loculis polysp Semina ovoidea, funieulo 
breviusculo, testa sulcata epidermide diaphana, raphe i D ine copioso ; em- 
bryo axilis.—Herbce lactescentes, rhizomate Pone v. in caudicem crassum. elongato, 
interdum elato, foliis perennantibus cum floribus cozetaneis. Folia longe crasse petiolata, 
sagittata hastata v. : pedatisecta, Pedunculi 1-oo, rarius elongati. Spathze tubus oblongus 
v. ovoideus, demum. irregulariter ruptus, fauce con- 
stricta, lamina cymbiformi. Spadix spatha brevior, basi spathz admatus ; inflorescentia 
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