208 



CALADiUM 



(1) Veins red. 



2. Var. marmoreum, Engl. Blade dull green, with 

 brownish red nerves, bordered with yellow. 



3. Var. erythrseum, Engl. (C. Schmitzii, Lem. C. cor- 

 ddtum, Hort.). Midribs and nerves red. I.H. 8: 297. 



4. Var. pictum, Engl. With white or red spots between 

 the red veins. S Amer. 



(2) Veins silvery or green. 



5. Var. argyroneurum, Engl. (C. argyroneuron, C. 

 Koch. C. Schcelleri, Lem.). Midrib and veins silvery. 

 I.H. 8:297. 



6. Var. subrotundum, Engl. (C. subrotundum, Lem.). 

 Leaf -blade rounded at the base, or shortly cordate, with 

 white or red spots. Brazil. 



AA. Blade distinctly peltate. 

 B. Leaf sagittate-oblong -ovWte. 



7. marmoratum, Mathieu (Alocdsia Rcezlii, Bull. C. 

 thripedestum, Lem. ) . Petiole cylindrical, 12-16 in. long, 

 twice as long as the blade, variegated; blade dark green, 

 with irregular gray, yellowish green and snow-white 

 spots, glaucous-green beneath, sagitt#te-oblong-ovate, 

 the upper lobe semi-ovate, slightly cuspidate, the basal 

 ones unequal, % or > as long as th upper, connate 

 %-% their length. Equador. I.H. 5, p. 59. 



310. Caladium bicolor. var Chantini. (No. 17.) 



BB. Leaf ovate -triangular, or ovate-sagittate. 



8. bicolor, Vent. (Arum bicolor, Ait.). Fig. 310. Peti- 

 ole smooth, 3-7 times as long as the blade, pruinose to- 

 ward the apex ; blade ovate-sagittate, or ovate-triangu- 

 lar, variegated above, glaucous beneath ; upper lobe semi- 

 ovate, narrowing gradually to a cuspidate point, the basal 

 ones % to but little shorter than the upper, oblong-ovate, 

 obtuse, connate 1-5-% their length. S. Amer. Intro- 

 duced into cult, in 1773. B.M. 820. Very common in 

 cult., furnishing many of the fancy-leaved Caladiums. 

 The marked varieties are as follows : 



(1) Leaf-blade and veins of one color. 



9. Var. Vellozianum, Engl. (C. Vellozidnum, Schott. 

 C. Purdiednum, Schott. C. pusillum, C. Koch. C. 

 Sprucednum, Schott. C. firmulum, Schott). Leaf- 

 blade dark green above ; basal lobes connate past the 

 middle. Brazil, Peru. E.B. 10:169. 



(2) Leaf-blade more or less variegated. 



(a) With a colored disc. 

 (b) Disc transparent. 



10. Var. transparens, Engl. (C. transpdrens, Hort.). 

 Blade with a pale green, nearly transparent disc ; mid- 

 rib and primary veins red-purple. t 



CALADIUM 



11. Var. rubicundum, Engl. ( C. bicolor, Kunth). Peti- 

 ole green, or variegated green and violet; blade green, 

 with a red, transparent, central disc, and a very narrow 

 red line between the disc and the margin. 



(bb) Disc opaque. 

 (c) Purple disc. 



12. Var. Baraquinii, Engl. (C. Baraquinii, Hort.). 

 Petiole violet ; blade with a purple-red disc ; beautiful 

 green between the disc and margin; nerves and midrib 

 red-violet. Para. I.H. 7:257. F.S. 13:1378. 



13. Var. K6tteleri, Engl. (C. Ketteleri, Hort.). Peti- 

 ole crimson, variegated toward the base ; blade with 

 purple disc, midrib and primary veins, sparsely marked 

 between the veins with many small, rosy spots. 



(cc) Bed disc. 



14. Var. splendens. Engl. (C.roseum, Hort. C.spUn- 

 dens, Hort.). Petiole green below, red above ; blade 

 with a red disc at the middle ; midvein and primary 

 veins red-purple ; green between the nerves and along 

 the margin. L. 4. 



15. Var. Leopold!, Engl. (C. Leopoldi, Hort. C. 

 Gcerdtil, C. Koch. C. Rogieri, Ch. & Lem.). Petiole 

 violet beneath, red-purple above ; blade with a broad, 

 reddish disc ; margin green, red spotted ; midrib and 

 primary veins dark red-purple. Para, 1864. 



16. Var. albomaculatum, Engl. (C. Alfred Bleu}. 

 Petiole green ; blade green, with red disc, midrib and 

 primary veins, and marked clear to the margin with 

 many large, white spots between the nerves. 



(ccc) Rose disc. 



17. Var. Chantini, Engl. ( C. Chantini, Lem. C. Con- 

 ncertii, Hort. C. amoenum, Hort. C. Martersteigidmim, 

 Hort. C.punctatissimum, Hort. C. Haagednum, Hort.). 

 Fig. 310. Petiole more or less violet ; blade broadly 

 red-purple along the midrib and primary nerves, rosy 

 at the center, and with very numerous, unequal spots 

 between the nerves clear to' the marginal vein. I. H. 

 5: 185. F. S. 13: 1350, 1351. B. M. 5255. B. L. PI. 19 

 (1891). Para, 1858. A.F. 8:129. 



(cccc) Light green disc. 



18. Var. Houlletii, Engl. (C.HoulUtii, Lem. C'.Moere- 

 dnum, Hort.). Petiole green, the sheath and a little of 

 the base violet-variegated ; basal lobes of the blade 

 somewhat introrse, rounded, connate % ; blade obscurely 

 green toward the margin, the midrib and primary veins 

 slightly reddish, and with a pale disc marked with many 

 irregular white spots. 



(aa) Without a colored disc. 



(b) Margins colored throughout. 



(c) Red margin. 



19. Var. marginatum, Engl. (C. margindtum, C. 

 Koch). Blade dark green, with a red line on the outer 



(cc) Fellow margin. 



20. Var. Kramerianum, Engl. (C. Krameridnum, 

 Hort.). Veins purple ; yellow margin. 



21. Var. Stangeanum, Engl. (C. Stangednum, C. 

 Koch). Blade reddish ; green along the narrow mar- 

 gin, yellowish toward the margin. 



(ccc) Solid white margin. 



22. Var. Perrierii, Engl. (C. Perrieri, Lem.). Petiole 

 violet-black ; blade dull green, with many red-purple 

 spots, and white along the margin. Brazil, 1861. 



(cccc) /Spotted margin. 



23. Var. Eckhartii, Engl. (C. Eckhartii, Hort.). Peti- 

 ole violet-blotched at the base, green above the middle; 

 blade green, with few rosy spots along the margin, and 

 email white ones in the middle. 



\ 24. Var. Hendersoni, Engl. (C. Hendersoni, Hort.). 

 Petiole variegated violet and green, reddish toward the 

 apex ; blade mostly green, reddish next the lower parts 

 of the nerves ; midrib and primary veins red-purple 

 >tted ; small red spots along the margin. 

 >. Var. Sieboldii, Engl. (C. ISieboldii, Hort.). Peti- 

 ole violet and green, reddish toward the apex ; basal 

 lobes of the leaf somewhat introrse, connate % their 



