294 
+tLeaves ovate, rounded at the base. 
Leaves glabrous. 
Calyx not inflated. 
Leaves more or less acuminate. 
Leaves coriaceous 
Leavesthin , . . 
Leaves obtuse or rounded. . . 
Calyx inflated . 
Leaves more or less pubescent. 
Petiole short. 
Leaves finely pubescent . 
Leaves velvety on both sides . . 
Petiole moderately long . 
Petiole very long 
tttLeaves cordate-ovate. 
Calyx finely pubescent. 
Calyx inflated . 
Calyx not inflated 
Calyx clothed with brown hairs 
CI. VERBENACE (BAKER). 
**SIPHONANTHUS. Corolla-tube long ; segments of the limb 
subequal, flat 
Inflorescence capitate. 
Leaves obovate-lanceolate 
Leaves oblong. 
Corolla-tube 2-22 in. long 
Corolla-tube 3-4 in. long . 
Corolla-tube 4-5 in. long . 
Leaves cordate-ovate. 
Leaves thin 
Leaves subcoriaceous 
Leaves obovate-cuneate, 
Leaves 3-4 in. long . 
Leaves 8-12 in, long . 
Leaves ovate-orbicular rounded at the base 
Leaves cordate-orbicular 
ttInflorescence not capitate. 
Panicle small. 
Leaves oblanceolate-oblong, deeply toothed 
Leaves orbicular, not cordate 
Leaves cordate broadly ovate. 
Calyx small. 
Calyx medium-sized, 
Corolla-tube 1} in. long 
Corolla-tube 4 in, long . 
Calyx large, 
Leaves entire. 
Leaves finely pubescent 
Leaves velvety . 
Leaves repand 
Panicle large, thyrsoid . 
° 
. . 
*“'CYCLONEMA. Segments of the lower lip of the corolla 
longer than the upper, concave, 
+Stems unarmed, 
[ Clerodendron. 
. Cc. Giletit. 
. C. Preussii. 
C. Hildebrandtii. 
. CO. Thomsene. 
C. Holstii. 
. C. tricholobum. 
. C. pleiosciadium. 
. C. longipetiolatum. 
. C. scandens. 
. C. cordifolium. 
. C.fuscum, 
. C. Buchneri. 
. 6 strictum. 
apitatum. 
© Fechert 
. CC. hysteranthum. 
. ¢. megasepalum. 
. C, cunetfolium. 
. C. grandifolium. 
. CO, speciosum. 
. C. orbiculare. 
. C, iacisum. 
. C. rotundifolium. 
. C. Greyi. 
. O. Welwitschii. 
. C. Guerket. 
. CO, zambesiacum. 
. C. Stuhlmanni. 
. C. Pogge. 
. C. thyrsoideum. 
