180 CL. AROIDEE (BROWN). | Culcasia. 
from the top; apex of sheath auriculate, rounded ; blade 24~3 in. long, 
3-1 in. broad, lanceolate, acute, or somewhat acuminate, mucronulate, 
acute or subacute at the base; glands few and very obscure, linear. 
Peduncle terminal, solitary, 1? in. long. Spathe and spadix not seen. 
Berries 3-4 lin. long, ellipsoid, red. 
Upper Guinea. Sierra Leone: on the wet banks of the river at Dantilia, 
Scott-Elliot, 5293! 
15. CERCESTIS, Schott ; Benth. et Hook. f. Gen. Pl. iii. 980. 
Spathe convolute in the lower part, concave or boat-shaped above, 
deciduous. Spadix free, monecious, without an appendix or neuter 
organs; male and female parts contiguous. Perianth none. Ovary 
1-celled ; stigma sessile, large, discoid. Ovule solitary, subbasal, or a 
little above the base on that side of the ovary which is directed towards 
the apex of the spadix, anatropous. Male flowers crowded ; anthers 2-4, 
free, sessile, broadly cuneate-oblong, truncate, 2-celled ; connective broad ; 
cells opening by terminal pores. Berries ellipsoid or obovoid, 1-seeded. 
Seed erect, ellipsoid; testa rather thin, subcoriaceous; albumen 
copious ; embryo very small, seated at the base of the albumen.—Stems 
climbing or creeping, rooting. Leaves alternate, petiolate, cordate- 
oblong, sagittate, hastate or 3-lobed, penniveined; primary veins 
distant, secondary reticulated ; petiole sheathing at the base or to the 
middle. Peduncle solitary, terminal or leaf-opposed.— <A locasiophyllum, 
Engl. Jahrb. xv. 449. 
An endemic genus of 5 species. I cannot in any way distinguish Alocasiophyllum, 
Engl., from Cercestis, Schott. 
Leaves 3-lobed; basal lobes widely spreading, acute or 
obtusely acuminate . 5 : : : - 1. €. Afzelw. 
Leaves hastate or hastate-sagittate ; basal lobes very 
obtuse. 
Part of leaf above the basal lobes deltoid or ovate- 
deltoid . ago ee : : : : . 2. C. congensis. 
Part of leaf above the basal lobes oblong-lanceolate. 
Basal lobes narrowly oblong, somewhat falcately 
curved outwards : : : : . 38. C. stigmaticus. 
Basal lobes deltoid C. Dinklage. 
Leaves lanceolate-oblong, shortly cordate at the base . 5. C. kamerunianus. 
Be 
1. C. Afzelii, Schott in Ocesterr. Bot. Wochenbl. 1857, 414. Stem 
climbing or creeping on the ground, rooting, 2—24 lin. thick, usually 
slightly rough to the touch. Leaves petiolate, glabrous ; petiole 3- 
12 in. long, with a long or short sheath; blade hastately 3-lobed ; 
middle lobe 24—64 in. long, 14—4 in. broad ; oblong or lanceolate, acute 
or acuminate ; basal lobes 1}-4} in. long, 3-3 in. broad, lanceolate, 
obtusely acuminate, widely divergent, 3-nerved, sometimes with a 
lobule on their lower side; basal sinus broad and open. Peduncle 
solitary, terminal, usually about 1} in. long, moderately stout, glabrous. 
Spathe 13—2 in. long, convolute in the basal third; limb erect, elliptic- 
