508 AROIDEiE. 



JB. angnstifolium, Kth. Leaves elliptical-lanceolate or lanceolate ; berries " white." 

 Hab. Jamaica !, Mac/., AL, March, Wullschl., rooting on trees, in the mountains ; An- 

 tigua !, Wullschl. ■ [Haiti ! (0) ; Mexico ! to Brazil !]. 



§ 2. Leaves rosulate, entire ; stem none or short. — " Ovary-cells 1-ovulate" {C. Kch.). 

 * Leaves i-nerved: veins joined by a double arch, one distant from the margin. 



2. A. lanceolatum, Kth. Leaves rigid, chartaceous, lanceolate, tapering at the base, 

 1 -nerved : midrib argute beneath, veins joined by a double arch, one distant from the mar- 

 gin : petiole compressed from the base, 2-edged : terminal tumour short ; peduncles slender, 

 angular, equalling the leaves ; spadix slender, exceeding the lanceolate-acuminate spathe, 

 naked at the base. — Plum. Descr. t. 62 : a state with short petioles. — A. Willdenowii, Kth. 

 A. Swartziauum, Schott ?— Leaves 1£' long, 3" broad at the middle; spadix 4"-6", spathe 

 3"-4" long. — Hab. Jamaica ! : introduced into British gardens ; S. Lucia {Schott) ; 

 [Guiana!]. 



** Leaves 1-nerved: veins joined by a single, marginal arch. 



3. A. Huegelii, Schott ! Stemless ; leaves large, chartaceous, obovate-oblong, 

 bluntish at the base (or minutely cordate), 1-nerved : midrib sharply keeled beneath : 

 stronger veins 9-12, joined by a marginal arch : petiole short ; peduncles slender, little 

 shorter thau the leaves ; spadix at length much longer than the lanceolate-acuminate spathe, 

 naked at the base.— Schott, Ic. 1. 18-20— Leaves 2'-4' long, 6"-9" broad above the middle ; 

 spadix 4"-10" long, sterile above.— Hab. Jamaica!, March, on trees; Dominica!, Imr.; 

 S. Vincent!, Guild.; [Guadeloupe!]. 



*** Leaves palmati-pedatinerved. 



4. A. dominicense, Schott ! Leaves rigid, leathery, acuminate-oblong from a cor- 

 date base, 7-nerved, veiny : midrib convex beneath, 2 nerve-pairs running along the margin, 

 the third distant from it : primary veins numerous : petiole long ; peduncles slender, as long 

 as the leaves ; spadix about thrice as long as the oblong-lanceolate spathe, flowering to the 

 base. — Leaves 8"-10" long, 2"-2£" broad ; spadix 3" long.— Hab. Dominica !, Imr. 



5. A. Grtuldingii, Schott! Leaves rigid, shining, chartaceous, cordate-ovate with 

 superincumbent basilar lobes, 11-9-nerved: midrib obtusely keeled beneath, innermost 

 lateral pair including an ovate area with numerous vein-pairs ; petiole long ; peduncles 

 slender, about as long as the petiole ; spadix short, about twice as long as the lanceolate 

 spathe, naked at the base. — Plum. Ed. Burm. t. 38. — Pothos cordata, L. A. fallax, 

 Schott!'— Stemless ; leaves 8"-10" long, 5" broad; spadix 2" long. — Hab. S. Vincent!, 

 Guild. 



6. A. concinnum, Schott! Leaves rigid, leathery, veiny, large, broadly cordate-ovate 

 with distantly parallel basilar lobes and a rounded sinus, 13-nerved : innermost lateral 

 pair including an elliptical-lanceolate area with numerous equal vein-pairs ; spadix about as 

 long as the lanceolate acuminate spathe, very shortly naked at the base. — Leaves 12 long, 

 9" broad -, spadix 4" long. — Hab. S. Vincent !, Guild. 



7. A. macrophyllum, Endl. Leaves membranaceous, large, broadly cordate-ovate icilh 

 parallel basilar lobes and a rounded sinus, pedati-15-1 7-nerved : midrib convex beneath, 

 innermost lateral pair including a rhomboid-elliptical area, with distant, 5-8-jugal, stronger 

 vein-pairs : petiole long ; spadix long, about twice as long as the lanceolate-acuminate 

 spathe, naked at the base.— Plum. Descr. t. 68, ftl, L Jacq. Ic. Par. t. 610.— Pothos, 8m, 

 P. grandifolia, Jacq.— Stemless ; leaves 2"-l" long, 12"-8" broad; spadix often V long, 

 usually sterile above ; berries blue. — Hab. Antigua!, Wullschl., on trees ; [Portorico, Gua- 

 deloupe ! ; Venezuela]. 



8. A cordifolium, Kth. Leaves chartaceous, or at length leathery, large, deltoid, 

 slightly cordate with diverging rounded lobes and a broadly ojien sinus, which is truncate 

 at the middle : pedate nerves 11-13, midrib convex beneath, innermost lateral pair including 

 a rhomboid area with the stronger vein-pairs distant, 8— 10-jugal, the lowest more distant 

 than the following -. petiole long -. peduncled spadix equalling the leaves, about 2-3 times as 

 long as the lanceolate-acuminate spathe, naked at the base. — Bot. Mag. t. 5801. — Pothos 



