AKOIDE^. 511 



connate at the middle. Ovaries " cohering, 2-1 -celled : ovule single, anatropous." Seeds 

 " exalbumiuous." — Stem scandent ; leaves approximate at its summit, thejperfect pedati- 

 S^T -parted: veins joined ij/ inconspicuous arches : petiole long, winged-sniathing below; 

 spathe coloured. 



20. S. auritum, Sehott! Leaves pedati-5-partite : middle segment large, ovate or 

 ovate-oblong, exterior cohering, obovate-oblong or oblong-elliplical, blunt ; spathe " greenish- 

 yellow with purple spots" {Jacq.) : lamina ovate-oblong, lower sheathing part cylindrical. — 

 flum. Bescr. t. 58, 51, c. Jaeq. Schcenhr. 2. t. 191. Bese. Fl. 3. i. 231.— Arum, L. S. 

 Plumierii, Sehott. — First lateral pair of leaf-segments 3"-2", second 6"-4", middle segment 

 12"-8", spathe 6"(-10"), sheathing part of it a^S"), spadix 4"(-6") long.— Hab. Jamaica !, 

 all coll., on trees ; [Haiti to Brazil]. 



8. ACONTIAS, Sehott. 



Spadix ol PMlodendron, acuminate : spathe of Syngonium. Anthers connate at the mid- 

 dle. Ovaries distinct below, compound : cells several-jSvnlate : ovules anatropous."— Stem- 

 less herbs; leaves pedatipariite : yeias Joined by arches: petiole long, sheathing, margined 

 at the base ; spathe greenish-yellow. 



21. A. belleborifolius, &:^o^i{. Leaf-segments 11-7, lanceolate-oblong, pointed, ex- 

 terior smaller. — Sehott, Gen. t. 47 : anal. Jaoq.'Ic. Sar. t. 613. — Arum, Jacq. — Middle 

 leaf-segment 6"-3", spathe 5" long, its tubular base ventricose. — Hab. Dominica 1, Imr. ; 

 [French islands; Panama!, Guiana!, Brazil!]. 



9. XANTHOSOMA, Sehott. 



Character of Jconiias, but anther-cells adnate to an entire, common column. — Herbs ; 

 leaves sagittatef arch-veined : stronger veins straightish, distant ; spathe coloured. 



22. 3S. atrovirens, 0. Kih. At length caulescent ; leaves livid-green beneath : basilar 

 lobes bluutish with the backward bent vein-pair naked at the narrow sinus : stronger veins 

 6-9-jugal : arch distant from the margin ; spathe bluntish, little longer than the blunt 

 spadix. — StA. 106./. 2. — Arum sagittifolium, L., ex parte.— heav^ l'-14' long, 10"-12" 

 broad ; spathe 7" long. — Hab. Jamaica I, Dist., cultivated {SI.) ; [Venezuela]. 



23. X. sag^ittifolium, Sehott. At length shortly caulescent ; leaves large, green : ba- 

 silar lobes, pointed, with the backward vein-pair naked at the broadly open sinus : stronger 

 veins 8-jugal: an-h distant from the margin; spathe greenish-yellow, acuminate, exceeding 

 the bluntish-acuminate spadix. — Sesc. Fl. 8. t. 533. — Arum, L., ex parte. — Leaves IJ' 

 long; spathe 8", spadix 6" long. — Hab. Jamaica (Desc), Barbadoes (i.); [Cuba to French 

 islands!]. > 



24. X. ? peregrinum, Or. "Stemless:" leaves large, green; basilar lobes roundish, 

 with the backward bent vein-pair naked at the broadly open sinus : stronger veins 8-Jugal : 

 arch marginal. — Arum, L. — Leaves 2' long or more. — Hab. Jamaica {SI., L.) along moun- 

 tain-rivukts : [Guadeloupe!; Venezuela]. 



10*. COLOCASIA, Sehott. 



Spadix free from the persistent, sheathing spathe, naked at the base and at the simimit> 

 $ below, <J above, bearing sterile organs between $ and S . Anther-cells adnate to the sub- 

 entire column. Ovaries distinct, l-eeUed: ovules oo, parietal. Seeds "albuminous." — 

 Tuberose herbs ; ]ea.ves peltate, arch-veined; spathe "yellowish." 



25*. C. esculenta, Sehott. Stemless ; leaves cordate-oblong, pointed, with blunt ba- 

 silar lobes and a narrow sinus.— 5i. t. 106./. 1 : a leaf. Jacq. Schcenbr. 2. t. 186.— Arum, 

 L. (non A. Colocasia, i. ex Catesb.) A. bicolor, Jacq. C. antiquorum, Sehott— Le&ies 

 6"-14" long, often reddish-variegated above; spathe 3"-4" long; spadix "odorous."— 

 Hab. Naturalized iu Jamaica, S. Kitts !, cultivated in all islands ; [introduced from the East 

 Indies I]. 



