586 DIOSCORE-E. 



ceeding the petiole ; flower -buds ellipsoidal ; anthers oblong, longer than the filament.— 

 Nearly allied to the preceding; "flowers white."— Hab. Trinidad!, Cr. ; [Panama!, 

 Guiana !]. 



4. S. Balbisiana, Kth. Branchlets acute-angular ; leaves chartaceous, veiny on 

 both sides, glabrous, mucronate, inferior subcordate-deltoid, superior oblong, or lauceolate- 

 oblong : tendrils inserted below the middle of the petiole ; peduncles shorter than (or as 

 long as) the petiole ; flower-buds ovoid ; anthers oblong, as long as the filament ; berries 

 black.— SI. t. 143./. 1. Plum. Ed. Burnt, t. 85.— S. pseudochiua e Jamaica, L., Berter. 

 S. China, Lun. S. cuspidata, Poir. ex Plum, (non ex Descr.). S. celastroides, Kth.— In- 

 ferior leaves 3"-4", superior 1" broad, most blunt; flowers greenish. — Hab. Jamaica!, all 

 coll., common ; Dominica !, Imr. 



5. S. viscifolia, Poir. Branchlets obtuse-angled, or sub cylindrical ; leaves chartace- 

 ous, veiny ou both sides, glabrous, mucronate, most lanceolate-oblong, or lanceolate, inferior 

 cordate-ovate : tendrils inserted below the middle of the petiole ; peduncles as long as the 

 petiole ; flower-buds ovoid ; anthers oblong, about as long as the filament : berries black.— - 

 Branchlets destitute of sharp angles, at length cylindrical ; leaves often rusty, most 10"'-3 

 broad, bluntish, lowest large, 4'" broad ; flowers greenish. — Hab. Jamaica !, Bist., Mart. ; 

 [Haiti !]. 



6. S. subaculeata, Spreng. Branchlets angular ; leaves membranaceous, ovate-oblong, 

 mucronate, glabrous, veiny on both sides : tendrils inserted at the middle of the petiole ; 

 " peduncles exceeding the petiole." — Leaves 3-5-nerved, superior 3" long, 14'"- 6'" broad, 

 rounded at the base, acuminate, prickly beneath on the midrib in our sterile, doubtful speci- 

 men, collected by Wullschl. — Hab. Jamaica (Berter?). 



7. S. havanensis, Jacq. Brauchlets angular; leaves rigid, leathery, roundish, or ob- 

 long, usually blunt, or emarginate, mucronate, often prickly along the thickish margin, gla- 

 brous, veiny on both sides (or beneath only) : tendrils inserted at the middle of the petiole ; 

 peduncles shorter than or as loug as the petiole ; flower -buds ovoid-globose ; anthers oblong, 

 as long as the filament ; hemes purple. — Jacq. Amer. Pict. t. 263./. 85 : a roundish leaf. 

 S. dentata and ilicifolia, Kth. S. oblongata, Sw. ? : the form with the leaf-ribs prominent 

 only beneath, subimpressed above. S. coriacea, Spreng. ? : the same, unarmed. — Leaves 

 usually H"-2" long, 2"-6"' broad.— Hab. Bahamas \, Swains.; [Cuba! and Haiti! ; Mexico 

 to Brazil]. 



** Flower-buds clavate, or oblong, 3"'-lJ'" long. 



8. S. domingensis, Schlecht. ! Unarmed, glabrous ; branchlets subcyliudrical ; leaves 

 chartaceous, ovate, or ovate-obloug, cuspidate, veiny on both sides : tendrils inserted above 

 the base of the petiole ; peduncles shorter than the petiole ; flower-buds ellipsoidal-obloug \ 

 anthers oblong, about as long as the filament ; berries black. — Plum. Ed. Burm. t. 82. — i>- 

 Schlechtendalii, Kth. ! (S. Schicdeana, Kth.)— Leaves 3"-4" long, l"-2" broad, contracted 

 at the complicated base, thickish at the margin -. network divaricate ; flower-buds 1%"'-% 

 long ; berries 4'" diam. — Hab. Jamaica !, Al. ; [Cuba !, Haiti ; Mexico !]. 



9. S. macrophylla, W. Slightly prickly (or unarmed), glabrous; branchlets subcy- 

 lindrical, or angular ; leaves chartaceous, most ovate, or ovate-oblong, bluntish, veiny on 

 both sides, inferior cordate-ovate : tendrils inserted above the base of the petiole ; peduncles 

 longer than the petiole ; flower-buds oblong-lanceolate ; anthers linear, longer than the fila- 

 ment ; berries black. — Plum. Ed. Burm. t. 84. — S. cuspidata, Poir. PI. Carib. — Prickles 

 small, often distant; leaves large, usually 6" long, 4" broad, rarely 14"-2" broad : network 

 divaricate ; flower-buds 3'" long ; berries 4'" diam. — Hab. Antigua !, Wullschl. ; Dominica !, 

 Imr. ; Trinidad !, Cr. ; [French islands !]. 



CXL. DIOSCOREiS. 



Flowers unisexual. Perigone of 6 divisions. Stamens 6-3. Ovary inferior : cells 2- 

 ovulate : style 3-partite. Embryo minute, mostly in a central cavity of corneous alWumen : 

 cotyledon usually flatfish.— Climbers ; leaves of Smilacea ; flowers small, in axillary spikes 

 or racemes. 



